summaryrefslogtreecommitdiff
path: root/drivers/usb/gadget
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/composite.c13
-rw-r--r--drivers/usb/gadget/config.c6
-rw-r--r--drivers/usb/gadget/configfs.c11
-rw-r--r--drivers/usb/gadget/epautoconf.c6
-rw-r--r--drivers/usb/gadget/function/f_acm.c7
-rw-r--r--drivers/usb/gadget/function/f_ecm.c8
-rw-r--r--drivers/usb/gadget/function/f_eem.c8
-rw-r--r--drivers/usb/gadget/function/f_fs.c9
-rw-r--r--drivers/usb/gadget/function/f_hid.c8
-rw-r--r--drivers/usb/gadget/function/f_loopback.c8
-rw-r--r--drivers/usb/gadget/function/f_mass_storage.c5
-rw-r--r--drivers/usb/gadget/function/f_midi.c5
-rw-r--r--drivers/usb/gadget/function/f_ncm.c8
-rw-r--r--drivers/usb/gadget/function/f_obex.c8
-rw-r--r--drivers/usb/gadget/function/f_phonet.c9
-rw-r--r--drivers/usb/gadget/function/f_printer.c8
-rw-r--r--drivers/usb/gadget/function/f_rndis.c8
-rw-r--r--drivers/usb/gadget/function/f_serial.c7
-rw-r--r--drivers/usb/gadget/function/f_sourcesink.c8
-rw-r--r--drivers/usb/gadget/function/f_subset.c8
-rw-r--r--drivers/usb/gadget/function/f_tcm.c5
-rw-r--r--drivers/usb/gadget/function/f_uac1.c8
-rw-r--r--drivers/usb/gadget/function/f_uac1_legacy.c5
-rw-r--r--drivers/usb/gadget/function/f_uac2.c8
-rw-r--r--drivers/usb/gadget/function/f_uvc.c6
-rw-r--r--drivers/usb/gadget/function/f_uvc.h6
-rw-r--r--drivers/usb/gadget/function/rndis.c5
-rw-r--r--drivers/usb/gadget/function/rndis.h5
-rw-r--r--drivers/usb/gadget/function/storage_common.c6
-rw-r--r--drivers/usb/gadget/function/u_audio.c11
-rw-r--r--drivers/usb/gadget/function/u_audio.h12
-rw-r--r--drivers/usb/gadget/function/u_ecm.h5
-rw-r--r--drivers/usb/gadget/function/u_eem.h5
-rw-r--r--drivers/usb/gadget/function/u_ether.c6
-rw-r--r--drivers/usb/gadget/function/u_ether.h6
-rw-r--r--drivers/usb/gadget/function/u_ether_configfs.h5
-rw-r--r--drivers/usb/gadget/function/u_fs.h5
-rw-r--r--drivers/usb/gadget/function/u_gether.h5
-rw-r--r--drivers/usb/gadget/function/u_hid.h5
-rw-r--r--drivers/usb/gadget/function/u_midi.h5
-rw-r--r--drivers/usb/gadget/function/u_ncm.h5
-rw-r--r--drivers/usb/gadget/function/u_phonet.h5
-rw-r--r--drivers/usb/gadget/function/u_printer.h5
-rw-r--r--drivers/usb/gadget/function/u_rndis.h5
-rw-r--r--drivers/usb/gadget/function/u_serial.c6
-rw-r--r--drivers/usb/gadget/function/u_serial.h5
-rw-r--r--drivers/usb/gadget/function/u_tcm.h5
-rw-r--r--drivers/usb/gadget/function/u_uac1.h5
-rw-r--r--drivers/usb/gadget/function/u_uac1_legacy.c3
-rw-r--r--drivers/usb/gadget/function/u_uac1_legacy.h3
-rw-r--r--drivers/usb/gadget/function/u_uac2.h5
-rw-r--r--drivers/usb/gadget/function/u_uvc.h5
-rw-r--r--drivers/usb/gadget/function/uvc.h6
-rw-r--r--drivers/usb/gadget/function/uvc_configfs.c55
-rw-r--r--drivers/usb/gadget/function/uvc_configfs.h5
-rw-r--r--drivers/usb/gadget/function/uvc_queue.c6
-rw-r--r--drivers/usb/gadget/function/uvc_v4l2.c8
-rw-r--r--drivers/usb/gadget/function/uvc_v4l2.h7
-rw-r--r--drivers/usb/gadget/function/uvc_video.c6
-rw-r--r--drivers/usb/gadget/function/uvc_video.h5
-rw-r--r--drivers/usb/gadget/functions.c1
-rw-r--r--drivers/usb/gadget/legacy/acm_ms.c6
-rw-r--r--drivers/usb/gadget/legacy/audio.c3
-rw-r--r--drivers/usb/gadget/legacy/cdc2.c6
-rw-r--r--drivers/usb/gadget/legacy/dbgp.c1
-rw-r--r--drivers/usb/gadget/legacy/ether.c6
-rw-r--r--drivers/usb/gadget/legacy/g_ffs.c6
-rw-r--r--drivers/usb/gadget/legacy/gmidi.c4
-rw-r--r--drivers/usb/gadget/legacy/hid.c6
-rw-r--r--drivers/usb/gadget/legacy/inode.c6
-rw-r--r--drivers/usb/gadget/legacy/mass_storage.c6
-rw-r--r--drivers/usb/gadget/legacy/multi.c6
-rw-r--r--drivers/usb/gadget/legacy/ncm.c6
-rw-r--r--drivers/usb/gadget/legacy/nokia.c5
-rw-r--r--drivers/usb/gadget/legacy/printer.c6
-rw-r--r--drivers/usb/gadget/legacy/serial.c5
-rw-r--r--drivers/usb/gadget/legacy/tcm_usb_gadget.c2
-rw-r--r--drivers/usb/gadget/legacy/webcam.c6
-rw-r--r--drivers/usb/gadget/legacy/zero.c14
-rw-r--r--drivers/usb/gadget/u_f.c5
-rw-r--r--drivers/usb/gadget/u_f.h5
-rw-r--r--drivers/usb/gadget/u_os_desc.h5
-rw-r--r--drivers/usb/gadget/udc/amd5536udc.h6
-rw-r--r--drivers/usb/gadget/udc/amd5536udc_pci.c6
-rw-r--r--drivers/usb/gadget/udc/at91_udc.c6
-rw-r--r--drivers/usb/gadget/udc/at91_udc.h6
-rw-r--r--drivers/usb/gadget/udc/atmel_usba_udc.c5
-rw-r--r--drivers/usb/gadget/udc/atmel_usba_udc.h5
-rw-r--r--drivers/usb/gadget/udc/bcm63xx_udc.c6
-rw-r--r--drivers/usb/gadget/udc/bdc/bdc.h7
-rw-r--r--drivers/usb/gadget/udc/bdc/bdc_cmd.c7
-rw-r--r--drivers/usb/gadget/udc/bdc/bdc_cmd.h7
-rw-r--r--drivers/usb/gadget/udc/bdc/bdc_core.c7
-rw-r--r--drivers/usb/gadget/udc/bdc/bdc_dbg.c7
-rw-r--r--drivers/usb/gadget/udc/bdc/bdc_dbg.h7
-rw-r--r--drivers/usb/gadget/udc/bdc/bdc_ep.c7
-rw-r--r--drivers/usb/gadget/udc/bdc/bdc_ep.h7
-rw-r--r--drivers/usb/gadget/udc/bdc/bdc_pci.c7
-rw-r--r--drivers/usb/gadget/udc/bdc/bdc_udc.c7
-rw-r--r--drivers/usb/gadget/udc/core.c15
-rw-r--r--drivers/usb/gadget/udc/dummy_hcd.c82
-rw-r--r--drivers/usb/gadget/udc/fotg210-udc.c5
-rw-r--r--drivers/usb/gadget/udc/fotg210.h6
-rw-r--r--drivers/usb/gadget/udc/fsl_mxc_udc.c6
-rw-r--r--drivers/usb/gadget/udc/fsl_qe_udc.c6
-rw-r--r--drivers/usb/gadget/udc/fsl_qe_udc.h6
-rw-r--r--drivers/usb/gadget/udc/fsl_udc_core.c6
-rw-r--r--drivers/usb/gadget/udc/fsl_usb2_udc.h6
-rw-r--r--drivers/usb/gadget/udc/fusb300_udc.c5
-rw-r--r--drivers/usb/gadget/udc/fusb300_udc.h5
-rw-r--r--drivers/usb/gadget/udc/goku_udc.c19
-rw-r--r--drivers/usb/gadget/udc/goku_udc.h5
-rw-r--r--drivers/usb/gadget/udc/gr_udc.c8
-rw-r--r--drivers/usb/gadget/udc/gr_udc.h6
-rw-r--r--drivers/usb/gadget/udc/lpc32xx_udc.c15
-rw-r--r--drivers/usb/gadget/udc/m66592-udc.c9
-rw-r--r--drivers/usb/gadget/udc/m66592-udc.h5
-rw-r--r--drivers/usb/gadget/udc/mv_u3d.h5
-rw-r--r--drivers/usb/gadget/udc/mv_u3d_core.c5
-rw-r--r--drivers/usb/gadget/udc/mv_udc.h6
-rw-r--r--drivers/usb/gadget/udc/mv_udc_core.c6
-rw-r--r--drivers/usb/gadget/udc/net2272.c15
-rw-r--r--drivers/usb/gadget/udc/net2272.h15
-rw-r--r--drivers/usb/gadget/udc/net2280.c6
-rw-r--r--drivers/usb/gadget/udc/net2280.h6
-rw-r--r--drivers/usb/gadget/udc/omap_udc.c6
-rw-r--r--drivers/usb/gadget/udc/pch_udc.c5
-rw-r--r--drivers/usb/gadget/udc/pxa25x_udc.c10
-rw-r--r--drivers/usb/gadget/udc/pxa25x_udc.h7
-rw-r--r--drivers/usb/gadget/udc/pxa27x_udc.c6
-rw-r--r--drivers/usb/gadget/udc/pxa27x_udc.h6
-rw-r--r--drivers/usb/gadget/udc/r8a66597-udc.c9
-rw-r--r--drivers/usb/gadget/udc/r8a66597-udc.h5
-rw-r--r--drivers/usb/gadget/udc/renesas_usb3.c80
-rw-r--r--drivers/usb/gadget/udc/s3c-hsudc.c7
-rw-r--r--drivers/usb/gadget/udc/s3c2410_udc.c6
-rw-r--r--drivers/usb/gadget/udc/s3c2410_udc.h6
-rw-r--r--drivers/usb/gadget/udc/snps_udc_core.c29
-rw-r--r--drivers/usb/gadget/udc/snps_udc_plat.c10
-rw-r--r--drivers/usb/gadget/udc/trace.c10
-rw-r--r--drivers/usb/gadget/udc/trace.h13
-rw-r--r--drivers/usb/gadget/udc/udc-xilinx.c7
-rw-r--r--drivers/usb/gadget/usbstring.c6
143 files changed, 338 insertions, 832 deletions
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 5d061b3d8224..eec14e6ed20b 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* composite.c - infrastructure for Composite USB Gadgets
*
* Copyright (C) 2006-2008 David Brownell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
/* #define VERBOSE_DEBUG */
@@ -170,20 +166,20 @@ int config_ep_by_speed(struct usb_gadget *g,
want_comp_desc = 1;
break;
}
- /* else: Fall trough */
+ /* fall through */
case USB_SPEED_SUPER:
if (gadget_is_superspeed(g)) {
speed_desc = f->ss_descriptors;
want_comp_desc = 1;
break;
}
- /* else: Fall trough */
+ /* fall through */
case USB_SPEED_HIGH:
if (gadget_is_dualspeed(g)) {
speed_desc = f->hs_descriptors;
break;
}
- /* else: fall through */
+ /* fall through */
default:
speed_desc = f->fs_descriptors;
}
@@ -224,6 +220,7 @@ ep_found:
case USB_ENDPOINT_XFER_ISOC:
/* mult: bits 1:0 of bmAttributes */
_ep->mult = (comp_desc->bmAttributes & 0x3) + 1;
+ /* fall through */
case USB_ENDPOINT_XFER_BULK:
case USB_ENDPOINT_XFER_INT:
_ep->maxburst = comp_desc->bMaxBurst + 1;
diff --git a/drivers/usb/gadget/config.c b/drivers/usb/gadget/config.c
index 17a6077b89a4..2d115353424c 100644
--- a/drivers/usb/gadget/config.c
+++ b/drivers/usb/gadget/config.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* usb/gadget/config.c -- simplify building config descriptors
*
* Copyright (C) 2003 David Brownell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/errno.h>
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index aeb9f3c40521..efba66ca0719 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/configfs.h>
#include <linux/module.h>
#include <linux/slab.h>
@@ -505,13 +506,13 @@ static struct configfs_attribute *gadget_config_attrs[] = {
NULL,
};
-static struct config_item_type gadget_config_type = {
+static const struct config_item_type gadget_config_type = {
.ct_item_ops = &gadget_config_item_ops,
.ct_attrs = gadget_config_attrs,
.ct_owner = THIS_MODULE,
};
-static struct config_item_type gadget_root_type = {
+static const struct config_item_type gadget_root_type = {
.ct_item_ops = &gadget_root_item_ops,
.ct_attrs = gadget_root_attrs,
.ct_owner = THIS_MODULE,
@@ -593,7 +594,7 @@ static struct configfs_group_operations functions_ops = {
.drop_item = &function_drop,
};
-static struct config_item_type functions_type = {
+static const struct config_item_type functions_type = {
.ct_group_ops = &functions_ops,
.ct_owner = THIS_MODULE,
};
@@ -694,7 +695,7 @@ static struct configfs_group_operations config_desc_ops = {
.drop_item = &config_desc_drop,
};
-static struct config_item_type config_desc_type = {
+static const struct config_item_type config_desc_type = {
.ct_group_ops = &config_desc_ops,
.ct_owner = THIS_MODULE,
};
@@ -1476,7 +1477,7 @@ static struct configfs_group_operations gadgets_ops = {
.drop_item = &gadgets_drop,
};
-static struct config_item_type gadgets_type = {
+static const struct config_item_type gadgets_type = {
.ct_group_ops = &gadgets_ops,
.ct_owner = THIS_MODULE,
};
diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c
index 30fdab0ae383..71b15c65b90f 100644
--- a/drivers/usb/gadget/epautoconf.c
+++ b/drivers/usb/gadget/epautoconf.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* epautoconf.c -- endpoint autoconfiguration for usb gadget drivers
*
* Copyright (C) 2004 David Brownell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/function/f_acm.c b/drivers/usb/gadget/function/f_acm.c
index 5e3828d9dac7..9fc98de83624 100644
--- a/drivers/usb/gadget/function/f_acm.c
+++ b/drivers/usb/gadget/function/f_acm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* f_acm.c -- USB CDC serial (ACM) function driver
*
@@ -6,10 +7,6 @@
* Copyright (C) 2008 by Nokia Corporation
* Copyright (C) 2009 by Samsung Electronics
* Author: Michal Nazarewicz (mina86@mina86.com)
- *
- * This software is distributed under the terms of the GNU General
- * Public License ("GPL") as published by the Free Software Foundation,
- * either version 2 of that License or (at your option) any later version.
*/
/* #define VERBOSE_DEBUG */
@@ -786,7 +783,7 @@ static struct configfs_attribute *acm_attrs[] = {
NULL,
};
-static struct config_item_type acm_func_type = {
+static const struct config_item_type acm_func_type = {
.ct_item_ops = &acm_item_ops,
.ct_attrs = acm_attrs,
.ct_owner = THIS_MODULE,
diff --git a/drivers/usb/gadget/function/f_ecm.c b/drivers/usb/gadget/function/f_ecm.c
index 4c488d15b6f6..b104ed0c1ab5 100644
--- a/drivers/usb/gadget/function/f_ecm.c
+++ b/drivers/usb/gadget/function/f_ecm.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* f_ecm.c -- USB CDC Ethernet (ECM) link function driver
*
* Copyright (C) 2003-2005,2008 David Brownell
* Copyright (C) 2008 Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
/* #define VERBOSE_DEBUG */
@@ -845,7 +841,7 @@ static struct configfs_attribute *ecm_attrs[] = {
NULL,
};
-static struct config_item_type ecm_func_type = {
+static const struct config_item_type ecm_func_type = {
.ct_item_ops = &ecm_item_ops,
.ct_attrs = ecm_attrs,
.ct_owner = THIS_MODULE,
diff --git a/drivers/usb/gadget/function/f_eem.c b/drivers/usb/gadget/function/f_eem.c
index 007ec6e4a5d4..37557651b600 100644
--- a/drivers/usb/gadget/function/f_eem.c
+++ b/drivers/usb/gadget/function/f_eem.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* f_eem.c -- USB CDC Ethernet (EEM) link function driver
*
* Copyright (C) 2003-2005,2008 David Brownell
* Copyright (C) 2008 Nokia Corporation
* Copyright (C) 2009 EF Johnson Technologies
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/kernel.h>
@@ -556,7 +552,7 @@ static struct configfs_attribute *eem_attrs[] = {
NULL,
};
-static struct config_item_type eem_func_type = {
+static const struct config_item_type eem_func_type = {
.ct_item_ops = &eem_item_ops,
.ct_attrs = eem_attrs,
.ct_owner = THIS_MODULE,
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 8b342587f8ad..97ea059a7aa4 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* f_fs.c -- user mode file system API for USB composite function controllers
*
@@ -7,11 +8,6 @@
* Based on inode.c (GadgetFS) which was:
* Copyright (C) 2003-2004 David Brownell
* Copyright (C) 2003 Agilent Technologies
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
@@ -3385,7 +3381,7 @@ static struct configfs_item_operations ffs_item_ops = {
.release = ffs_attr_release,
};
-static struct config_item_type ffs_func_type = {
+static const struct config_item_type ffs_func_type = {
.ct_item_ops = &ffs_item_ops,
.ct_owner = THIS_MODULE,
};
@@ -3677,6 +3673,7 @@ static void ffs_closed(struct ffs_data *ffs)
goto done;
ffs_obj->desc_ready = false;
+ ffs_obj->ffs_data = NULL;
if (test_and_clear_bit(FFS_FL_CALL_CLOSED_CALLBACK, &ffs->flags) &&
ffs_obj->ffs_closed_callback)
diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index d8e359ef6eb1..daae35318a3a 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* f_hid.c -- USB HID function driver
*
* Copyright (C) 2010 Fabien Chouteau <fabien.chouteau@barco.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/kernel.h>
@@ -992,7 +988,7 @@ static struct configfs_attribute *hid_attrs[] = {
NULL,
};
-static struct config_item_type hid_func_type = {
+static const struct config_item_type hid_func_type = {
.ct_item_ops = &hidg_item_ops,
.ct_attrs = hid_attrs,
.ct_owner = THIS_MODULE,
diff --git a/drivers/usb/gadget/function/f_loopback.c b/drivers/usb/gadget/function/f_loopback.c
index e70093835e14..1803646b3678 100644
--- a/drivers/usb/gadget/function/f_loopback.c
+++ b/drivers/usb/gadget/function/f_loopback.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* f_loopback.c - USB peripheral loopback configuration driver
*
* Copyright (C) 2003-2008 David Brownell
* Copyright (C) 2008 by Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
/* #define VERBOSE_DEBUG */
@@ -556,7 +552,7 @@ static struct configfs_attribute *lb_attrs[] = {
NULL,
};
-static struct config_item_type lb_func_type = {
+static const struct config_item_type lb_func_type = {
.ct_item_ops = &lb_item_ops,
.ct_attrs = lb_attrs,
.ct_owner = THIS_MODULE,
diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c
index 5153e29870c3..acecd13dcbd9 100644
--- a/drivers/usb/gadget/function/f_mass_storage.c
+++ b/drivers/usb/gadget/function/f_mass_storage.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
* f_mass_storage.c -- Mass Storage USB Composite Function
*
@@ -3140,7 +3141,7 @@ static struct configfs_attribute *fsg_lun_attrs[] = {
NULL,
};
-static struct config_item_type fsg_lun_type = {
+static const struct config_item_type fsg_lun_type = {
.ct_item_ops = &fsg_lun_item_ops,
.ct_attrs = fsg_lun_attrs,
.ct_owner = THIS_MODULE,
@@ -3331,7 +3332,7 @@ static struct configfs_group_operations fsg_group_ops = {
.drop_item = fsg_lun_drop,
};
-static struct config_item_type fsg_func_type = {
+static const struct config_item_type fsg_func_type = {
.ct_item_ops = &fsg_item_ops,
.ct_group_ops = &fsg_group_ops,
.ct_attrs = fsg_attrs,
diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index 5d3d7941d2c2..4eb96b91cc40 100644
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* f_midi.c -- USB MIDI class function driver
*
@@ -15,8 +16,6 @@
* and drivers/usb/gadget/midi.c,
* Copyright (C) 2006 Thumtronics Pty Ltd.
* Ben Williamson <ben.williamson@greyinnovation.com>
- *
- * Licensed under the GPL-2 or later.
*/
#include <linux/kernel.h>
@@ -1189,7 +1188,7 @@ static struct configfs_attribute *midi_attrs[] = {
NULL,
};
-static struct config_item_type midi_func_type = {
+static const struct config_item_type midi_func_type = {
.ct_item_ops = &midi_item_ops,
.ct_attrs = midi_attrs,
.ct_owner = THIS_MODULE,
diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c
index 45b334ceaf2e..c5bce8e22983 100644
--- a/drivers/usb/gadget/function/f_ncm.c
+++ b/drivers/usb/gadget/function/f_ncm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* f_ncm.c -- USB CDC Network (NCM) link function driver
*
@@ -8,11 +9,6 @@
*
* Copyright (C) 2003-2005,2008 David Brownell
* Copyright (C) 2008 Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/kernel.h>
@@ -1568,7 +1564,7 @@ static struct configfs_attribute *ncm_attrs[] = {
NULL,
};
-static struct config_item_type ncm_func_type = {
+static const struct config_item_type ncm_func_type = {
.ct_item_ops = &ncm_item_ops,
.ct_attrs = ncm_attrs,
.ct_owner = THIS_MODULE,
diff --git a/drivers/usb/gadget/function/f_obex.c b/drivers/usb/gadget/function/f_obex.c
index d43e86cea74f..55b7f57d2dc7 100644
--- a/drivers/usb/gadget/function/f_obex.c
+++ b/drivers/usb/gadget/function/f_obex.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* f_obex.c -- USB CDC OBEX function driver
*
@@ -5,11 +6,6 @@
* Contact: Felipe Balbi <felipe.balbi@nokia.com>
*
* Based on f_acm.c by Al Borchers and David Brownell.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
/* #define VERBOSE_DEBUG */
@@ -411,7 +407,7 @@ static struct configfs_attribute *acm_attrs[] = {
NULL,
};
-static struct config_item_type obex_func_type = {
+static const struct config_item_type obex_func_type = {
.ct_item_ops = &obex_item_ops,
.ct_attrs = acm_attrs,
.ct_owner = THIS_MODULE,
diff --git a/drivers/usb/gadget/function/f_phonet.c b/drivers/usb/gadget/function/f_phonet.c
index 9c4c58e4a1a2..7889bcc0509a 100644
--- a/drivers/usb/gadget/function/f_phonet.c
+++ b/drivers/usb/gadget/function/f_phonet.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* f_phonet.c -- USB CDC Phonet function
*
* Copyright (C) 2007-2008 Nokia Corporation. All rights reserved.
*
* Author: Rémi Denis-Courmont
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
*/
#include <linux/mm.h>
@@ -215,6 +212,7 @@ static void pn_tx_complete(struct usb_ep *ep, struct usb_request *req)
case -ESHUTDOWN: /* disconnected */
case -ECONNRESET: /* disabled */
dev->stats.tx_aborted_errors++;
+ /* fall through */
default:
dev->stats.tx_errors++;
}
@@ -362,6 +360,7 @@ static void pn_rx_complete(struct usb_ep *ep, struct usb_request *req)
/* Do resubmit in these cases: */
case -EOVERFLOW: /* request buffer overflow */
dev->stats.rx_over_errors++;
+ /* fall through */
default:
dev->stats.rx_errors++;
break;
@@ -599,7 +598,7 @@ static struct configfs_attribute *phonet_attrs[] = {
NULL,
};
-static struct config_item_type phonet_func_type = {
+static const struct config_item_type phonet_func_type = {
.ct_item_ops = &phonet_item_ops,
.ct_attrs = phonet_attrs,
.ct_owner = THIS_MODULE,
diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c
index ea0da35a44e2..dd607b99eb1d 100644
--- a/drivers/usb/gadget/function/f_printer.c
+++ b/drivers/usb/gadget/function/f_printer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* f_printer.c - USB printer function driver
*
@@ -8,11 +9,6 @@
*
* Copyright (C) 2003-2005 David Brownell
* Copyright (C) 2006 Craig W. Nadler
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/module.h>
@@ -1261,7 +1257,7 @@ static struct configfs_attribute *printer_attrs[] = {
NULL,
};
-static struct config_item_type printer_func_type = {
+static const struct config_item_type printer_func_type = {
.ct_item_ops = &printer_item_ops,
.ct_attrs = printer_attrs,
.ct_owner = THIS_MODULE,
diff --git a/drivers/usb/gadget/function/f_rndis.c b/drivers/usb/gadget/function/f_rndis.c
index c7c5b3ce1d98..d48df36622b7 100644
--- a/drivers/usb/gadget/function/f_rndis.c
+++ b/drivers/usb/gadget/function/f_rndis.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* f_rndis.c -- RNDIS link function driver
*
@@ -6,11 +7,6 @@
* Copyright (C) 2008 Nokia Corporation
* Copyright (C) 2009 Samsung Electronics
* Author: Michal Nazarewicz (mina86@mina86.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
/* #define VERBOSE_DEBUG */
@@ -890,7 +886,7 @@ static struct configfs_attribute *rndis_attrs[] = {
NULL,
};
-static struct config_item_type rndis_func_type = {
+static const struct config_item_type rndis_func_type = {
.ct_item_ops = &rndis_item_ops,
.ct_attrs = rndis_attrs,
.ct_owner = THIS_MODULE,
diff --git a/drivers/usb/gadget/function/f_serial.c b/drivers/usb/gadget/function/f_serial.c
index cb00ada21d9c..c860f30a0ea2 100644
--- a/drivers/usb/gadget/function/f_serial.c
+++ b/drivers/usb/gadget/function/f_serial.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* f_serial.c - generic USB serial function driver
*
* Copyright (C) 2003 Al Borchers (alborchers@steinerpoint.com)
* Copyright (C) 2008 by David Brownell
* Copyright (C) 2008 by Nokia Corporation
- *
- * This software is distributed under the terms of the GNU General
- * Public License ("GPL") as published by the Free Software Foundation,
- * either version 2 of that License or (at your option) any later version.
*/
#include <linux/slab.h>
@@ -281,7 +278,7 @@ static struct configfs_attribute *acm_attrs[] = {
NULL,
};
-static struct config_item_type serial_func_type = {
+static const struct config_item_type serial_func_type = {
.ct_item_ops = &serial_item_ops,
.ct_attrs = acm_attrs,
.ct_owner = THIS_MODULE,
diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c
index 8784fa12ea2c..9cdef108fb1b 100644
--- a/drivers/usb/gadget/function/f_sourcesink.c
+++ b/drivers/usb/gadget/function/f_sourcesink.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* f_sourcesink.c - USB peripheral source/sink configuration driver
*
* Copyright (C) 2003-2008 David Brownell
* Copyright (C) 2008 by Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
/* #define VERBOSE_DEBUG */
@@ -1230,7 +1226,7 @@ static struct configfs_attribute *ss_attrs[] = {
NULL,
};
-static struct config_item_type ss_func_type = {
+static const struct config_item_type ss_func_type = {
.ct_item_ops = &ss_item_ops,
.ct_attrs = ss_attrs,
.ct_owner = THIS_MODULE,
diff --git a/drivers/usb/gadget/function/f_subset.c b/drivers/usb/gadget/function/f_subset.c
index 434b983f3b4c..4d945254905d 100644
--- a/drivers/usb/gadget/function/f_subset.c
+++ b/drivers/usb/gadget/function/f_subset.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* f_subset.c -- "CDC Subset" Ethernet link function driver
*
* Copyright (C) 2003-2005,2008 David Brownell
* Copyright (C) 2008 Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/slab.h>
@@ -412,7 +408,7 @@ static struct configfs_attribute *gether_attrs[] = {
NULL,
};
-static struct config_item_type gether_func_type = {
+static const struct config_item_type gether_func_type = {
.ct_item_ops = &gether_item_ops,
.ct_attrs = gether_attrs,
.ct_owner = THIS_MODULE,
diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c
index a82e2bd5ea34..da81cf16b850 100644
--- a/drivers/usb/gadget/function/f_tcm.c
+++ b/drivers/usb/gadget/function/f_tcm.c
@@ -1,10 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/* Target based USB-Gadget
*
* UAS protocol handling, target callbacks, configfs handling,
* BBB (USB Mass Storage Class Bulk-Only (BBB) and Transport protocol handling.
*
* Author: Sebastian Andrzej Siewior <bigeasy at linutronix dot de>
- * License: GPLv2 as published by FSF.
*/
#include <linux/kernel.h>
#include <linux/module.h>
@@ -1145,6 +1145,7 @@ static int usbg_submit_command(struct f_uas *fu,
default:
pr_debug_once("Unsupported prio_attr: %02x.\n",
cmd_iu->prio_attr);
+ /* fall through */
case UAS_SIMPLE_TAG:
cmd->prio_attr = TCM_SIMPLE_TAG;
break;
@@ -2166,7 +2167,7 @@ static struct configfs_item_operations tcm_item_ops = {
.release = tcm_attr_release,
};
-static struct config_item_type tcm_func_type = {
+static const struct config_item_type tcm_func_type = {
.ct_item_ops = &tcm_item_ops,
.ct_owner = THIS_MODULE,
};
diff --git a/drivers/usb/gadget/function/f_uac1.c b/drivers/usb/gadget/function/f_uac1.c
index 29efbedc91f9..2746a926a8d9 100644
--- a/drivers/usb/gadget/function/f_uac1.c
+++ b/drivers/usb/gadget/function/f_uac1.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* f_uac1.c -- USB Audio Class 1.0 Function (using u_audio API)
*
@@ -10,11 +11,6 @@
* This file is based on f_uac1.c which is
* Copyright (C) 2008 Bryan Wu <cooloney@kernel.org>
* Copyright (C) 2008 Analog Devices, Inc
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/usb/audio.h>
@@ -709,7 +705,7 @@ static struct configfs_attribute *f_uac1_attrs[] = {
NULL,
};
-static struct config_item_type f_uac1_func_type = {
+static const struct config_item_type f_uac1_func_type = {
.ct_item_ops = &f_uac1_item_ops,
.ct_attrs = f_uac1_attrs,
.ct_owner = THIS_MODULE,
diff --git a/drivers/usb/gadget/function/f_uac1_legacy.c b/drivers/usb/gadget/function/f_uac1_legacy.c
index 5d229e72912e..04f4b2862256 100644
--- a/drivers/usb/gadget/function/f_uac1_legacy.c
+++ b/drivers/usb/gadget/function/f_uac1_legacy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* f_audio.c -- USB Audio class function driver
*
@@ -5,8 +6,6 @@
* Copyright (C) 2008 Analog Devices, Inc
*
* Enter bugs at http://blackfin.uclinux.org/
- *
- * Licensed under the GPL-2 or later.
*/
#include <linux/slab.h>
@@ -921,7 +920,7 @@ static struct configfs_attribute *f_uac1_attrs[] = {
NULL,
};
-static struct config_item_type f_uac1_func_type = {
+static const struct config_item_type f_uac1_func_type = {
.ct_item_ops = &f_uac1_item_ops,
.ct_attrs = f_uac1_attrs,
.ct_owner = THIS_MODULE,
diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c
index f05c3f3e6103..11fe788b4308 100644
--- a/drivers/usb/gadget/function/f_uac2.c
+++ b/drivers/usb/gadget/function/f_uac2.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* f_uac2.c -- USB Audio Class 2.0 Function
*
* Copyright (C) 2011
* Yadwinder Singh (yadi.brar01@gmail.com)
* Jaswinder Singh (jaswinder.singh@linaro.org)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/usb/audio.h>
@@ -921,7 +917,7 @@ static struct configfs_attribute *f_uac2_attrs[] = {
NULL,
};
-static struct config_item_type f_uac2_func_type = {
+static const struct config_item_type f_uac2_func_type = {
.ct_item_ops = &f_uac2_item_ops,
.ct_attrs = f_uac2_attrs,
.ct_owner = THIS_MODULE,
diff --git a/drivers/usb/gadget/function/f_uvc.c b/drivers/usb/gadget/function/f_uvc.c
index f8a1881609a2..439eba660e95 100644
--- a/drivers/usb/gadget/function/f_uvc.c
+++ b/drivers/usb/gadget/function/f_uvc.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* uvc_gadget.c -- USB Video Class Gadget driver
*
* Copyright (C) 2009-2010
* Laurent Pinchart (laurent.pinchart@ideasonboard.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/function/f_uvc.h b/drivers/usb/gadget/function/f_uvc.h
index d0a73bdcbba1..81defe4557fe 100644
--- a/drivers/usb/gadget/function/f_uvc.h
+++ b/drivers/usb/gadget/function/f_uvc.h
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* f_uvc.h -- USB Video Class Gadget driver
*
* Copyright (C) 2009-2010
* Laurent Pinchart (laurent.pinchart@ideasonboard.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#ifndef _F_UVC_H_
diff --git a/drivers/usb/gadget/function/rndis.c b/drivers/usb/gadget/function/rndis.c
index d6341045c631..51dd3e90b06c 100644
--- a/drivers/usb/gadget/function/rndis.c
+++ b/drivers/usb/gadget/function/rndis.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* RNDIS MSG parser
*
* Authors: Benedikt Spranger, Pengutronix
* Robert Schwebel, Pengutronix
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2, as published by the Free Software Foundation.
- *
* This software was originally developed in conformance with
* Microsoft's Remote NDIS Specification License Agreement.
*
diff --git a/drivers/usb/gadget/function/rndis.h b/drivers/usb/gadget/function/rndis.h
index 21e0430ffb98..c7e3a70ce6c1 100644
--- a/drivers/usb/gadget/function/rndis.h
+++ b/drivers/usb/gadget/function/rndis.h
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* RNDIS Definitions for Remote NDIS
*
* Authors: Benedikt Spranger, Pengutronix
* Robert Schwebel, Pengutronix
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2, as published by the Free Software Foundation.
- *
* This software was originally developed in conformance with
* Microsoft's Remote NDIS Specification License Agreement.
*/
diff --git a/drivers/usb/gadget/function/storage_common.c b/drivers/usb/gadget/function/storage_common.c
index 8fbf6861690d..f7e6c42558eb 100644
--- a/drivers/usb/gadget/function/storage_common.c
+++ b/drivers/usb/gadget/function/storage_common.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* storage_common.c -- Common definitions for mass storage functionality
*
* Copyright (C) 2003-2008 Alan Stern
* Copyeight (C) 2009 Samsung Electronics
* Author: Michal Nazarewicz (mina86@mina86.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
/*
diff --git a/drivers/usb/gadget/function/u_audio.c b/drivers/usb/gadget/function/u_audio.c
index 3971bbab88bd..a72295c953bb 100644
--- a/drivers/usb/gadget/function/u_audio.c
+++ b/drivers/usb/gadget/function/u_audio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* u_audio.c -- interface to USB gadget "ALSA sound card" utilities
*
@@ -9,16 +10,6 @@
* Copyright (C) 2011
* Yadwinder Singh (yadi.brar01@gmail.com)
* Jaswinder Singh (jaswinder.singh@linaro.org)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/module.h>
diff --git a/drivers/usb/gadget/function/u_audio.h b/drivers/usb/gadget/function/u_audio.h
index 07e13784cbb8..81d3d4ed6dfb 100644
--- a/drivers/usb/gadget/function/u_audio.h
+++ b/drivers/usb/gadget/function/u_audio.h
@@ -1,19 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* u_audio.h -- interface to USB gadget "ALSA sound card" utilities
*
* Copyright (C) 2016
* Author: Ruslan Bilovol <ruslan.bilovol@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
*/
#ifndef __U_AUDIO_H
diff --git a/drivers/usb/gadget/function/u_ecm.h b/drivers/usb/gadget/function/u_ecm.h
index 262cc03cc2c0..050aa672ee7f 100644
--- a/drivers/usb/gadget/function/u_ecm.h
+++ b/drivers/usb/gadget/function/u_ecm.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* u_ecm.h
*
@@ -7,10 +8,6 @@
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef U_ECM_H
diff --git a/drivers/usb/gadget/function/u_eem.h b/drivers/usb/gadget/function/u_eem.h
index e3ae97874c4f..de3828d3e8f0 100644
--- a/drivers/usb/gadget/function/u_eem.h
+++ b/drivers/usb/gadget/function/u_eem.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* u_eem.h
*
@@ -7,10 +8,6 @@
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef U_EEM_H
diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c
index bdbc3fdc7c4f..6fcda62f55ea 100644
--- a/drivers/usb/gadget/function/u_ether.c
+++ b/drivers/usb/gadget/function/u_ether.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* u_ether.c -- Ethernet-over-USB link layer utilities for Gadget stack
*
* Copyright (C) 2003-2005,2008 David Brownell
* Copyright (C) 2003-2004 Robert Schwebel, Benedikt Spranger
* Copyright (C) 2008 Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
/* #define VERBOSE_DEBUG */
diff --git a/drivers/usb/gadget/function/u_ether.h b/drivers/usb/gadget/function/u_ether.h
index c77145bd6b5b..332307d54292 100644
--- a/drivers/usb/gadget/function/u_ether.h
+++ b/drivers/usb/gadget/function/u_ether.h
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* u_ether.h -- interface to USB gadget "ethernet link" utilities
*
* Copyright (C) 2003-2005,2008 David Brownell
* Copyright (C) 2003-2004 Robert Schwebel, Benedikt Spranger
* Copyright (C) 2008 Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#ifndef __U_ETHER_H
diff --git a/drivers/usb/gadget/function/u_ether_configfs.h b/drivers/usb/gadget/function/u_ether_configfs.h
index e4c3f84af4c3..cd33cee4d78b 100644
--- a/drivers/usb/gadget/function/u_ether_configfs.h
+++ b/drivers/usb/gadget/function/u_ether_configfs.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* u_ether_configfs.h
*
@@ -7,10 +8,6 @@
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef __U_ETHER_CONFIGFS_H
diff --git a/drivers/usb/gadget/function/u_fs.h b/drivers/usb/gadget/function/u_fs.h
index 79f70ebf85dc..c3aba4dfa958 100644
--- a/drivers/usb/gadget/function/u_fs.h
+++ b/drivers/usb/gadget/function/u_fs.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* u_fs.h
*
@@ -7,10 +8,6 @@
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef U_FFS_H
diff --git a/drivers/usb/gadget/function/u_gether.h b/drivers/usb/gadget/function/u_gether.h
index d4078426ba5d..5b7e2eb90336 100644
--- a/drivers/usb/gadget/function/u_gether.h
+++ b/drivers/usb/gadget/function/u_gether.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* u_gether.h
*
@@ -7,10 +8,6 @@
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef U_GETHER_H
diff --git a/drivers/usb/gadget/function/u_hid.h b/drivers/usb/gadget/function/u_hid.h
index aaa0e368a159..2f5ca4bfa7ff 100644
--- a/drivers/usb/gadget/function/u_hid.h
+++ b/drivers/usb/gadget/function/u_hid.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* u_hid.h
*
@@ -7,10 +8,6 @@
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef U_HID_H
diff --git a/drivers/usb/gadget/function/u_midi.h b/drivers/usb/gadget/function/u_midi.h
index 22510189758e..5599aa5fc977 100644
--- a/drivers/usb/gadget/function/u_midi.h
+++ b/drivers/usb/gadget/function/u_midi.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* u_midi.h
*
@@ -7,10 +8,6 @@
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef U_MIDI_H
diff --git a/drivers/usb/gadget/function/u_ncm.h b/drivers/usb/gadget/function/u_ncm.h
index ce0f3a78ca13..67324f983343 100644
--- a/drivers/usb/gadget/function/u_ncm.h
+++ b/drivers/usb/gadget/function/u_ncm.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* u_ncm.h
*
@@ -7,10 +8,6 @@
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef U_NCM_H
diff --git a/drivers/usb/gadget/function/u_phonet.h b/drivers/usb/gadget/function/u_phonet.h
index 98ced18779ea..12fb613f85d1 100644
--- a/drivers/usb/gadget/function/u_phonet.h
+++ b/drivers/usb/gadget/function/u_phonet.h
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* u_phonet.h - interface to Phonet
*
* Copyright (C) 2007-2008 by Nokia Corporation
- *
- * This software is distributed under the terms of the GNU General
- * Public License ("GPL") as published by the Free Software Foundation,
- * either version 2 of that License or (at your option) any later version.
*/
#ifndef __U_PHONET_H
diff --git a/drivers/usb/gadget/function/u_printer.h b/drivers/usb/gadget/function/u_printer.h
index 8d30b7577f87..6088ff744194 100644
--- a/drivers/usb/gadget/function/u_printer.h
+++ b/drivers/usb/gadget/function/u_printer.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* u_printer.h
*
@@ -7,10 +8,6 @@
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef U_PRINTER_H
diff --git a/drivers/usb/gadget/function/u_rndis.h b/drivers/usb/gadget/function/u_rndis.h
index efdb7ac381d9..d65fb4ebac3c 100644
--- a/drivers/usb/gadget/function/u_rndis.h
+++ b/drivers/usb/gadget/function/u_rndis.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* u_rndis.h
*
@@ -7,10 +8,6 @@
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef U_RNDIS_H
diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c
index 4176216d54be..4d653d2960d4 100644
--- a/drivers/usb/gadget/function/u_serial.c
+++ b/drivers/usb/gadget/function/u_serial.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* u_serial.c - utilities for USB gadget "serial port"/TTY support
*
@@ -9,10 +10,6 @@
* Copyright (C) 1999 - 2002 Greg Kroah-Hartman (greg@kroah.com)
* Copyright (C) 2000 Peter Berger (pberger@brimson.com)
* Copyright (C) 2000 Al Borchers (alborchers@steinerpoint.com)
- *
- * This software is distributed under the terms of the GNU General
- * Public License ("GPL") as published by the Free Software Foundation,
- * either version 2 of that License or (at your option) any later version.
*/
/* #define VERBOSE_DEBUG */
@@ -1078,6 +1075,7 @@ static void gs_complete_out(struct usb_ep *ep, struct usb_request *req)
default:
pr_warn("%s: unexpected %s status %d\n",
__func__, ep->name, req->status);
+ /* fall through */
case 0:
/* normal completion */
spin_lock(&info->con_lock);
diff --git a/drivers/usb/gadget/function/u_serial.h b/drivers/usb/gadget/function/u_serial.h
index c20210c0babd..9acaac1cbb75 100644
--- a/drivers/usb/gadget/function/u_serial.h
+++ b/drivers/usb/gadget/function/u_serial.h
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* u_serial.h - interface to USB gadget "serial port"/TTY utilities
*
* Copyright (C) 2008 David Brownell
* Copyright (C) 2008 by Nokia Corporation
- *
- * This software is distributed under the terms of the GNU General
- * Public License ("GPL") as published by the Free Software Foundation,
- * either version 2 of that License or (at your option) any later version.
*/
#ifndef __U_SERIAL_H
diff --git a/drivers/usb/gadget/function/u_tcm.h b/drivers/usb/gadget/function/u_tcm.h
index 0bd751e0483f..3f7ccecb0f9b 100644
--- a/drivers/usb/gadget/function/u_tcm.h
+++ b/drivers/usb/gadget/function/u_tcm.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* u_tcm.h
*
@@ -7,10 +8,6 @@
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef U_TCM_H
diff --git a/drivers/usb/gadget/function/u_uac1.h b/drivers/usb/gadget/function/u_uac1.h
index 6f188fd8633f..6f1a9d73defe 100644
--- a/drivers/usb/gadget/function/u_uac1.h
+++ b/drivers/usb/gadget/function/u_uac1.h
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* u_uac1.h - Utility definitions for UAC1 function
*
* Copyright (C) 2016 Ruslan Bilovol <ruslan.bilovol@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef __U_UAC1_H
diff --git a/drivers/usb/gadget/function/u_uac1_legacy.c b/drivers/usb/gadget/function/u_uac1_legacy.c
index fa4684a1c54c..cbc868d117af 100644
--- a/drivers/usb/gadget/function/u_uac1_legacy.c
+++ b/drivers/usb/gadget/function/u_uac1_legacy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* u_uac1.c -- ALSA audio utilities for Gadget stack
*
@@ -5,8 +6,6 @@
* Copyright (C) 2008 Analog Devices, Inc
*
* Enter bugs at http://blackfin.uclinux.org/
- *
- * Licensed under the GPL-2 or later.
*/
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/function/u_uac1_legacy.h b/drivers/usb/gadget/function/u_uac1_legacy.h
index d715b1af56a4..dd69e408a3d9 100644
--- a/drivers/usb/gadget/function/u_uac1_legacy.h
+++ b/drivers/usb/gadget/function/u_uac1_legacy.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* u_uac1.h -- interface to USB gadget "ALSA AUDIO" utilities
*
@@ -5,8 +6,6 @@
* Copyright (C) 2008 Analog Devices, Inc
*
* Enter bugs at http://blackfin.uclinux.org/
- *
- * Licensed under the GPL-2 or later.
*/
#ifndef __U_UAC1_LEGACY_H
diff --git a/drivers/usb/gadget/function/u_uac2.h b/drivers/usb/gadget/function/u_uac2.h
index 19eeb83538a5..8362ee572e1e 100644
--- a/drivers/usb/gadget/function/u_uac2.h
+++ b/drivers/usb/gadget/function/u_uac2.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* u_uac2.h
*
@@ -7,10 +8,6 @@
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef U_UAC2_H
diff --git a/drivers/usb/gadget/function/u_uvc.h b/drivers/usb/gadget/function/u_uvc.h
index 4676b60a5063..d00d3ded71c0 100644
--- a/drivers/usb/gadget/function/u_uvc.h
+++ b/drivers/usb/gadget/function/u_uvc.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* u_uvc.h
*
@@ -7,10 +8,6 @@
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef U_UVC_H
diff --git a/drivers/usb/gadget/function/uvc.h b/drivers/usb/gadget/function/uvc.h
index 11d70dead32b..a64e07e61f8c 100644
--- a/drivers/usb/gadget/function/uvc.h
+++ b/drivers/usb/gadget/function/uvc.h
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* uvc_gadget.h -- USB Video Class Gadget driver
*
* Copyright (C) 2009-2010
* Laurent Pinchart (laurent.pinchart@ideasonboard.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#ifndef _UVC_GADGET_H_
diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c
index 844cb738bafd..c9b8cc4aae5a 100644
--- a/drivers/usb/gadget/function/uvc_configfs.c
+++ b/drivers/usb/gadget/function/uvc_configfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* uvc_configfs.c
*
@@ -7,10 +8,6 @@
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include "u_uvc.h"
#include "uvc_configfs.h"
@@ -127,7 +124,7 @@ static struct configfs_attribute *uvcg_control_header_attrs[] = {
NULL,
};
-static struct config_item_type uvcg_control_header_type = {
+static const struct config_item_type uvcg_control_header_type = {
.ct_attrs = uvcg_control_header_attrs,
.ct_owner = THIS_MODULE,
};
@@ -170,7 +167,7 @@ static struct configfs_group_operations uvcg_control_header_grp_ops = {
.drop_item = uvcg_control_header_drop,
};
-static struct config_item_type uvcg_control_header_grp_type = {
+static const struct config_item_type uvcg_control_header_grp_type = {
.ct_group_ops = &uvcg_control_header_grp_ops,
.ct_owner = THIS_MODULE,
};
@@ -265,7 +262,7 @@ static struct configfs_attribute *uvcg_default_processing_attrs[] = {
NULL,
};
-static struct config_item_type uvcg_default_processing_type = {
+static const struct config_item_type uvcg_default_processing_type = {
.ct_attrs = uvcg_default_processing_attrs,
.ct_owner = THIS_MODULE,
};
@@ -277,7 +274,7 @@ static struct uvcg_processing_grp {
struct config_group group;
} uvcg_processing_grp;
-static struct config_item_type uvcg_processing_grp_type = {
+static const struct config_item_type uvcg_processing_grp_type = {
.ct_owner = THIS_MODULE,
};
@@ -382,7 +379,7 @@ static struct configfs_attribute *uvcg_default_camera_attrs[] = {
NULL,
};
-static struct config_item_type uvcg_default_camera_type = {
+static const struct config_item_type uvcg_default_camera_type = {
.ct_attrs = uvcg_default_camera_attrs,
.ct_owner = THIS_MODULE,
};
@@ -394,7 +391,7 @@ static struct uvcg_camera_grp {
struct config_group group;
} uvcg_camera_grp;
-static struct config_item_type uvcg_camera_grp_type = {
+static const struct config_item_type uvcg_camera_grp_type = {
.ct_owner = THIS_MODULE,
};
@@ -460,7 +457,7 @@ static struct configfs_attribute *uvcg_default_output_attrs[] = {
NULL,
};
-static struct config_item_type uvcg_default_output_type = {
+static const struct config_item_type uvcg_default_output_type = {
.ct_attrs = uvcg_default_output_attrs,
.ct_owner = THIS_MODULE,
};
@@ -472,7 +469,7 @@ static struct uvcg_output_grp {
struct config_group group;
} uvcg_output_grp;
-static struct config_item_type uvcg_output_grp_type = {
+static const struct config_item_type uvcg_output_grp_type = {
.ct_owner = THIS_MODULE,
};
@@ -481,7 +478,7 @@ static struct uvcg_terminal_grp {
struct config_group group;
} uvcg_terminal_grp;
-static struct config_item_type uvcg_terminal_grp_type = {
+static const struct config_item_type uvcg_terminal_grp_type = {
.ct_owner = THIS_MODULE,
};
@@ -586,7 +583,7 @@ static struct configfs_item_operations uvcg_control_class_item_ops = {
.drop_link = uvcg_control_class_drop_link,
};
-static struct config_item_type uvcg_control_class_type = {
+static const struct config_item_type uvcg_control_class_type = {
.ct_item_ops = &uvcg_control_class_item_ops,
.ct_owner = THIS_MODULE,
};
@@ -596,7 +593,7 @@ static struct uvcg_control_class_grp {
struct config_group group;
} uvcg_control_class_grp;
-static struct config_item_type uvcg_control_class_grp_type = {
+static const struct config_item_type uvcg_control_class_grp_type = {
.ct_owner = THIS_MODULE,
};
@@ -605,7 +602,7 @@ static struct uvcg_control_grp {
struct config_group group;
} uvcg_control_grp;
-static struct config_item_type uvcg_control_grp_type = {
+static const struct config_item_type uvcg_control_grp_type = {
.ct_owner = THIS_MODULE,
};
@@ -857,7 +854,7 @@ static struct configfs_attribute *uvcg_streaming_header_attrs[] = {
NULL,
};
-static struct config_item_type uvcg_streaming_header_type = {
+static const struct config_item_type uvcg_streaming_header_type = {
.ct_item_ops = &uvcg_streaming_header_item_ops,
.ct_attrs = uvcg_streaming_header_attrs,
.ct_owner = THIS_MODULE,
@@ -901,7 +898,7 @@ static struct configfs_group_operations uvcg_streaming_header_grp_ops = {
.drop_item = uvcg_streaming_header_drop,
};
-static struct config_item_type uvcg_streaming_header_grp_type = {
+static const struct config_item_type uvcg_streaming_header_grp_type = {
.ct_group_ops = &uvcg_streaming_header_grp_ops,
.ct_owner = THIS_MODULE,
};
@@ -1150,7 +1147,7 @@ static struct configfs_attribute *uvcg_frame_attrs[] = {
NULL,
};
-static struct config_item_type uvcg_frame_type = {
+static const struct config_item_type uvcg_frame_type = {
.ct_attrs = uvcg_frame_attrs,
.ct_owner = THIS_MODULE,
};
@@ -1419,7 +1416,7 @@ static struct configfs_attribute *uvcg_uncompressed_attrs[] = {
NULL,
};
-static struct config_item_type uvcg_uncompressed_type = {
+static const struct config_item_type uvcg_uncompressed_type = {
.ct_group_ops = &uvcg_uncompressed_group_ops,
.ct_attrs = uvcg_uncompressed_attrs,
.ct_owner = THIS_MODULE,
@@ -1469,7 +1466,7 @@ static struct configfs_group_operations uvcg_uncompressed_grp_ops = {
.drop_item = uvcg_uncompressed_drop,
};
-static struct config_item_type uvcg_uncompressed_grp_type = {
+static const struct config_item_type uvcg_uncompressed_grp_type = {
.ct_group_ops = &uvcg_uncompressed_grp_ops,
.ct_owner = THIS_MODULE,
};
@@ -1619,7 +1616,7 @@ static struct configfs_attribute *uvcg_mjpeg_attrs[] = {
NULL,
};
-static struct config_item_type uvcg_mjpeg_type = {
+static const struct config_item_type uvcg_mjpeg_type = {
.ct_group_ops = &uvcg_mjpeg_group_ops,
.ct_attrs = uvcg_mjpeg_attrs,
.ct_owner = THIS_MODULE,
@@ -1663,7 +1660,7 @@ static struct configfs_group_operations uvcg_mjpeg_grp_ops = {
.drop_item = uvcg_mjpeg_drop,
};
-static struct config_item_type uvcg_mjpeg_grp_type = {
+static const struct config_item_type uvcg_mjpeg_grp_type = {
.ct_group_ops = &uvcg_mjpeg_grp_ops,
.ct_owner = THIS_MODULE,
};
@@ -1728,7 +1725,7 @@ static struct configfs_attribute *uvcg_default_color_matching_attrs[] = {
NULL,
};
-static struct config_item_type uvcg_default_color_matching_type = {
+static const struct config_item_type uvcg_default_color_matching_type = {
.ct_attrs = uvcg_default_color_matching_attrs,
.ct_owner = THIS_MODULE,
};
@@ -1740,7 +1737,7 @@ static struct uvcg_color_matching_grp {
struct config_group group;
} uvcg_color_matching_grp;
-static struct config_item_type uvcg_color_matching_grp_type = {
+static const struct config_item_type uvcg_color_matching_grp_type = {
.ct_owner = THIS_MODULE,
};
@@ -2085,7 +2082,7 @@ static struct configfs_item_operations uvcg_streaming_class_item_ops = {
.drop_link = uvcg_streaming_class_drop_link,
};
-static struct config_item_type uvcg_streaming_class_type = {
+static const struct config_item_type uvcg_streaming_class_type = {
.ct_item_ops = &uvcg_streaming_class_item_ops,
.ct_owner = THIS_MODULE,
};
@@ -2095,7 +2092,7 @@ static struct uvcg_streaming_class_grp {
struct config_group group;
} uvcg_streaming_class_grp;
-static struct config_item_type uvcg_streaming_class_grp_type = {
+static const struct config_item_type uvcg_streaming_class_grp_type = {
.ct_owner = THIS_MODULE,
};
@@ -2104,7 +2101,7 @@ static struct uvcg_streaming_grp {
struct config_group group;
} uvcg_streaming_grp;
-static struct config_item_type uvcg_streaming_grp_type = {
+static const struct config_item_type uvcg_streaming_grp_type = {
.ct_owner = THIS_MODULE,
};
@@ -2190,7 +2187,7 @@ static struct configfs_attribute *uvc_attrs[] = {
NULL,
};
-static struct config_item_type uvc_func_type = {
+static const struct config_item_type uvc_func_type = {
.ct_item_ops = &uvc_item_ops,
.ct_attrs = uvc_attrs,
.ct_owner = THIS_MODULE,
diff --git a/drivers/usb/gadget/function/uvc_configfs.h b/drivers/usb/gadget/function/uvc_configfs.h
index 085e67be7c71..8549c0b27b9d 100644
--- a/drivers/usb/gadget/function/uvc_configfs.h
+++ b/drivers/usb/gadget/function/uvc_configfs.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* uvc_configfs.h
*
@@ -7,10 +8,6 @@
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef UVC_CONFIGFS_H
#define UVC_CONFIGFS_H
diff --git a/drivers/usb/gadget/function/uvc_queue.c b/drivers/usb/gadget/function/uvc_queue.c
index 6377e9fee6e5..278d50ff1eea 100644
--- a/drivers/usb/gadget/function/uvc_queue.c
+++ b/drivers/usb/gadget/function/uvc_queue.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* uvc_queue.c -- USB Video Class driver - Buffers management
*
* Copyright (C) 2005-2010
* Laurent Pinchart (laurent.pinchart@ideasonboard.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/atomic.h>
diff --git a/drivers/usb/gadget/function/uvc_v4l2.c b/drivers/usb/gadget/function/uvc_v4l2.c
index 3e22b45687d3..f3069db6f08e 100644
--- a/drivers/usb/gadget/function/uvc_v4l2.c
+++ b/drivers/usb/gadget/function/uvc_v4l2.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* uvc_v4l2.c -- USB Video Class Gadget driver
*
* Copyright (C) 2009-2010
* Laurent Pinchart (laurent.pinchart@ideasonboard.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/kernel.h>
@@ -354,7 +350,7 @@ static unsigned long uvcg_v4l2_get_unmapped_area(struct file *file,
}
#endif
-struct v4l2_file_operations uvc_v4l2_fops = {
+const struct v4l2_file_operations uvc_v4l2_fops = {
.owner = THIS_MODULE,
.open = uvc_v4l2_open,
.release = uvc_v4l2_release,
diff --git a/drivers/usb/gadget/function/uvc_v4l2.h b/drivers/usb/gadget/function/uvc_v4l2.h
index 2683b92fda65..a75e9c397446 100644
--- a/drivers/usb/gadget/function/uvc_v4l2.h
+++ b/drivers/usb/gadget/function/uvc_v4l2.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* uvc_v4l2.h -- USB Video Class Gadget driver
*
@@ -7,16 +8,12 @@
* Copyright (c) 2013 Samsung Electronics Co., Ltd.
* http://www.samsung.com
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef __UVC_V4L2_H__
#define __UVC_V4L2_H__
extern const struct v4l2_ioctl_ops uvc_v4l2_ioctl_ops;
-extern struct v4l2_file_operations uvc_v4l2_fops;
+extern const struct v4l2_file_operations uvc_v4l2_fops;
#endif /* __UVC_V4L2_H__ */
diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c
index 0f01c04d7cbd..d3567b90343a 100644
--- a/drivers/usb/gadget/function/uvc_video.c
+++ b/drivers/usb/gadget/function/uvc_video.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* uvc_video.c -- USB Video Class Gadget driver
*
* Copyright (C) 2009-2010
* Laurent Pinchart (laurent.pinchart@ideasonboard.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/function/uvc_video.h b/drivers/usb/gadget/function/uvc_video.h
index ef00f06fa00b..6c20aa75f966 100644
--- a/drivers/usb/gadget/function/uvc_video.h
+++ b/drivers/usb/gadget/function/uvc_video.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* uvc_video.h -- USB Video Class Gadget driver
*
@@ -7,10 +8,6 @@
* Copyright (c) 2013 Samsung Electronics Co., Ltd.
* http://www.samsung.com
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef __UVC_VIDEO_H__
#define __UVC_VIDEO_H__
diff --git a/drivers/usb/gadget/functions.c b/drivers/usb/gadget/functions.c
index b13f839e7368..203361a64212 100644
--- a/drivers/usb/gadget/functions.c
+++ b/drivers/usb/gadget/functions.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/module.h>
diff --git a/drivers/usb/gadget/legacy/acm_ms.c b/drivers/usb/gadget/legacy/acm_ms.c
index c39de65a448b..af16672d5118 100644
--- a/drivers/usb/gadget/legacy/acm_ms.c
+++ b/drivers/usb/gadget/legacy/acm_ms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* acm_ms.c -- Composite driver, with ACM and mass storage support
*
@@ -7,11 +8,6 @@
* Modified: Klaus Schwarzkopf <schwarzkopf@sensortherm.de>
*
* Heavily based on multi.c and cdc2.c
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/legacy/audio.c b/drivers/usb/gadget/legacy/audio.c
index 1f5cdbe162df..7b11dce98b94 100644
--- a/drivers/usb/gadget/legacy/audio.c
+++ b/drivers/usb/gadget/legacy/audio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* audio.c -- Audio gadget driver
*
@@ -5,8 +6,6 @@
* Copyright (C) 2008 Analog Devices, Inc
*
* Enter bugs at http://blackfin.uclinux.org/
- *
- * Licensed under the GPL-2 or later.
*/
/* #define VERBOSE_DEBUG */
diff --git a/drivers/usb/gadget/legacy/cdc2.c b/drivers/usb/gadget/legacy/cdc2.c
index 51c08682de84..da1c37933ca1 100644
--- a/drivers/usb/gadget/legacy/cdc2.c
+++ b/drivers/usb/gadget/legacy/cdc2.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* cdc2.c -- CDC Composite driver, with ECM and ACM support
*
* Copyright (C) 2008 David Brownell
* Copyright (C) 2008 Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/legacy/dbgp.c b/drivers/usb/gadget/legacy/dbgp.c
index 99ca3dabc4f3..e1d566c9918a 100644
--- a/drivers/usb/gadget/legacy/dbgp.c
+++ b/drivers/usb/gadget/legacy/dbgp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* dbgp.c -- EHCI Debug Port device gadget
*
diff --git a/drivers/usb/gadget/legacy/ether.c b/drivers/usb/gadget/legacy/ether.c
index 25a2c2e48592..30313b233680 100644
--- a/drivers/usb/gadget/legacy/ether.c
+++ b/drivers/usb/gadget/legacy/ether.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* ether.c -- Ethernet gadget driver, with CDC and non-CDC options
*
* Copyright (C) 2003-2005,2008 David Brownell
* Copyright (C) 2003-2004 Robert Schwebel, Benedikt Spranger
* Copyright (C) 2008 Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
/* #define VERBOSE_DEBUG */
diff --git a/drivers/usb/gadget/legacy/g_ffs.c b/drivers/usb/gadget/legacy/g_ffs.c
index 6da7316f8e87..b640ed3fcf70 100644
--- a/drivers/usb/gadget/legacy/g_ffs.c
+++ b/drivers/usb/gadget/legacy/g_ffs.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* g_ffs.c -- user mode file system API for USB composite function controllers
*
* Copyright (C) 2010 Samsung Electronics
* Author: Michal Nazarewicz <mina86@mina86.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#define pr_fmt(fmt) "g_ffs: " fmt
diff --git a/drivers/usb/gadget/legacy/gmidi.c b/drivers/usb/gadget/legacy/gmidi.c
index 0bf39c3ccdb1..9eea2d18f2bf 100644
--- a/drivers/usb/gadget/legacy/gmidi.c
+++ b/drivers/usb/gadget/legacy/gmidi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* gmidi.c -- USB MIDI Gadget Driver
*
@@ -5,9 +6,6 @@
* Developed for Thumtronics by Grey Innovation
* Ben Williamson <ben.williamson@greyinnovation.com>
*
- * This software is distributed under the terms of the GNU General Public
- * License ("GPL") version 2, as published by the Free Software Foundation.
- *
* This code is based in part on:
*
* Gadget Zero driver, Copyright (C) 2003-2004 David Brownell.
diff --git a/drivers/usb/gadget/legacy/hid.c b/drivers/usb/gadget/legacy/hid.c
index a71a884f79fc..c4eda7fe7ab4 100644
--- a/drivers/usb/gadget/legacy/hid.c
+++ b/drivers/usb/gadget/legacy/hid.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* hid.c -- HID Composite driver
*
* Based on multi.c
*
* Copyright (C) 2010 Fabien Chouteau <fabien.chouteau@barco.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index 5c28bee327e1..9343ec436485 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* inode.c -- user mode filesystem api for usb gadget controllers
*
* Copyright (C) 2003-2004 David Brownell
* Copyright (C) 2003 Agilent Technologies
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
diff --git a/drivers/usb/gadget/legacy/mass_storage.c b/drivers/usb/gadget/legacy/mass_storage.c
index fcba59782f26..ef3d25259b0e 100644
--- a/drivers/usb/gadget/legacy/mass_storage.c
+++ b/drivers/usb/gadget/legacy/mass_storage.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* mass_storage.c -- Mass Storage USB Gadget
*
@@ -5,11 +6,6 @@
* Copyright (C) 2009 Samsung Electronics
* Author: Michal Nazarewicz <mina86@mina86.com>
* All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
diff --git a/drivers/usb/gadget/legacy/multi.c b/drivers/usb/gadget/legacy/multi.c
index a70a406580ea..50515f9e1022 100644
--- a/drivers/usb/gadget/legacy/multi.c
+++ b/drivers/usb/gadget/legacy/multi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* multi.c -- Multifunction Composite driver
*
@@ -5,11 +6,6 @@
* Copyright (C) 2008 Nokia Corporation
* Copyright (C) 2009 Samsung Electronics
* Author: Michal Nazarewicz (mina86@mina86.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
diff --git a/drivers/usb/gadget/legacy/ncm.c b/drivers/usb/gadget/legacy/ncm.c
index 0aba68253e3d..fcee1ee0bf66 100644
--- a/drivers/usb/gadget/legacy/ncm.c
+++ b/drivers/usb/gadget/legacy/ncm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* ncm.c -- NCM gadget driver
*
@@ -9,11 +10,6 @@
* Copyright (C) 2003-2005,2008 David Brownell
* Copyright (C) 2003-2004 Robert Schwebel, Benedikt Spranger
* Copyright (C) 2008 Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
/* #define DEBUG */
diff --git a/drivers/usb/gadget/legacy/nokia.c b/drivers/usb/gadget/legacy/nokia.c
index b1e535f4022e..978c1a34a932 100644
--- a/drivers/usb/gadget/legacy/nokia.c
+++ b/drivers/usb/gadget/legacy/nokia.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* nokia.c -- Nokia Composite Gadget Driver
*
@@ -9,10 +10,6 @@
* Copyright (C) 2003 Al Borchers (alborchers@steinerpoint.com)
* Copyright (C) 2008 by David Brownell
* Copyright (C) 2008 by Nokia Corporation
- *
- * This software is distributed under the terms of the GNU General
- * Public License ("GPL") as published by the Free Software Foundation,
- * version 2 of that License.
*/
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/legacy/printer.c b/drivers/usb/gadget/legacy/printer.c
index 4c9cfff34a03..57858f0c2b6c 100644
--- a/drivers/usb/gadget/legacy/printer.c
+++ b/drivers/usb/gadget/legacy/printer.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* printer.c -- Printer gadget driver
*
* Copyright (C) 2003-2005 David Brownell
* Copyright (C) 2006 Craig W. Nadler
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/module.h>
diff --git a/drivers/usb/gadget/legacy/serial.c b/drivers/usb/gadget/legacy/serial.c
index 9d89adce756d..de30d7628eef 100644
--- a/drivers/usb/gadget/legacy/serial.c
+++ b/drivers/usb/gadget/legacy/serial.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* serial.c -- USB gadget serial driver
*
* Copyright (C) 2003 Al Borchers (alborchers@steinerpoint.com)
* Copyright (C) 2008 by David Brownell
* Copyright (C) 2008 by Nokia Corporation
- *
- * This software is distributed under the terms of the GNU General
- * Public License ("GPL") as published by the Free Software Foundation,
- * either version 2 of that License or (at your option) any later version.
*/
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/legacy/tcm_usb_gadget.c b/drivers/usb/gadget/legacy/tcm_usb_gadget.c
index 0b0bb98319cd..682bf99dcf76 100644
--- a/drivers/usb/gadget/legacy/tcm_usb_gadget.c
+++ b/drivers/usb/gadget/legacy/tcm_usb_gadget.c
@@ -1,10 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/* Target based USB-Gadget
*
* UAS protocol handling, target callbacks, configfs handling,
* BBB (USB Mass Storage Class Bulk-Only (BBB) and Transport protocol handling.
*
* Author: Sebastian Andrzej Siewior <bigeasy at linutronix dot de>
- * License: GPLv2 as published by FSF.
*/
#include <linux/kernel.h>
#include <linux/module.h>
diff --git a/drivers/usb/gadget/legacy/webcam.c b/drivers/usb/gadget/legacy/webcam.c
index 82c13fce9232..6b86568c9157 100644
--- a/drivers/usb/gadget/legacy/webcam.c
+++ b/drivers/usb/gadget/legacy/webcam.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* webcam.c -- USB webcam gadget driver
*
* Copyright (C) 2009-2010
* Laurent Pinchart (laurent.pinchart@ideasonboard.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/legacy/zero.c b/drivers/usb/gadget/legacy/zero.c
index d02e2ce73ea5..6e84b44c8a3b 100644
--- a/drivers/usb/gadget/legacy/zero.c
+++ b/drivers/usb/gadget/legacy/zero.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* zero.c -- Gadget Zero, for USB development
*
* Copyright (C) 2003-2008 David Brownell
* Copyright (C) 2008 by Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
/*
@@ -154,10 +150,11 @@ static struct usb_gadget_strings *dev_strings[] = {
/*-------------------------------------------------------------------------*/
static struct timer_list autoresume_timer;
+static struct usb_composite_dev *autoresume_cdev;
-static void zero_autoresume(unsigned long _c)
+static void zero_autoresume(struct timer_list *unused)
{
- struct usb_composite_dev *cdev = (void *)_c;
+ struct usb_composite_dev *cdev = autoresume_cdev;
struct usb_gadget *g = cdev->gadget;
/* unconfigured devices can't issue wakeups */
@@ -282,7 +279,8 @@ static int zero_bind(struct usb_composite_dev *cdev)
device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id;
device_desc.iSerialNumber = strings_dev[USB_GADGET_SERIAL_IDX].id;
- setup_timer(&autoresume_timer, zero_autoresume, (unsigned long) cdev);
+ autoresume_cdev = cdev;
+ timer_setup(&autoresume_timer, zero_autoresume, 0);
func_inst_ss = usb_get_function_instance("SourceSink");
if (IS_ERR(func_inst_ss))
diff --git a/drivers/usb/gadget/u_f.c b/drivers/usb/gadget/u_f.c
index 18839732c840..dbaa46eee853 100644
--- a/drivers/usb/gadget/u_f.c
+++ b/drivers/usb/gadget/u_f.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* u_f.c -- USB function utilities for Gadget stack
*
@@ -5,10 +6,6 @@
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include "u_f.h"
diff --git a/drivers/usb/gadget/u_f.h b/drivers/usb/gadget/u_f.h
index 7d53a4773d1a..c3fbef2bb5db 100644
--- a/drivers/usb/gadget/u_f.h
+++ b/drivers/usb/gadget/u_f.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* u_f.h
*
@@ -7,10 +8,6 @@
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef __U_F_H__
diff --git a/drivers/usb/gadget/u_os_desc.h b/drivers/usb/gadget/u_os_desc.h
index 947b7ddff691..8acd21779ac8 100644
--- a/drivers/usb/gadget/u_os_desc.h
+++ b/drivers/usb/gadget/u_os_desc.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* u_os_desc.h
*
@@ -7,10 +8,6 @@
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef __U_OS_DESC_H__
diff --git a/drivers/usb/gadget/udc/amd5536udc.h b/drivers/usb/gadget/udc/amd5536udc.h
index 4fe22d432af2..dfdef6a28904 100644
--- a/drivers/usb/gadget/udc/amd5536udc.h
+++ b/drivers/usb/gadget/udc/amd5536udc.h
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* amd5536.h -- header for AMD 5536 UDC high/full speed USB device controller
*
* Copyright (C) 2007 AMD (http://www.amd.com)
* Author: Thomas Dahlmann
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#ifndef AMD5536UDC_H
diff --git a/drivers/usb/gadget/udc/amd5536udc_pci.c b/drivers/usb/gadget/udc/amd5536udc_pci.c
index 57a13f080a79..57b6f66331cf 100644
--- a/drivers/usb/gadget/udc/amd5536udc_pci.c
+++ b/drivers/usb/gadget/udc/amd5536udc_pci.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* amd5536udc_pci.c -- AMD 5536 UDC high/full speed USB device controller
*
* Copyright (C) 2005-2007 AMD (http://www.amd.com)
* Author: Thomas Dahlmann
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
/*
diff --git a/drivers/usb/gadget/udc/at91_udc.c b/drivers/usb/gadget/udc/at91_udc.c
index 8bc78418d40e..bfe278294e88 100644
--- a/drivers/usb/gadget/udc/at91_udc.c
+++ b/drivers/usb/gadget/udc/at91_udc.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* at91_udc -- driver for at91-series USB peripheral controller
*
* Copyright (C) 2004 by Thomas Rathbone
* Copyright (C) 2005 by HP Labs
* Copyright (C) 2005 by David Brownell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#undef VERBOSE_DEBUG
diff --git a/drivers/usb/gadget/udc/at91_udc.h b/drivers/usb/gadget/udc/at91_udc.h
index 9bbe72764f31..fd58c5b81826 100644
--- a/drivers/usb/gadget/udc/at91_udc.h
+++ b/drivers/usb/gadget/udc/at91_udc.h
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2004 by Thomas Rathbone, HP Labs
* Copyright (C) 2005 by Ivan Kokshaysky
* Copyright (C) 2006 by SAN People
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#ifndef AT91_UDC_H
diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
index a884c022df7a..075eaaa8a408 100644
--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Driver for the Atmel USBA high speed USB device controller
*
* Copyright (C) 2005-2007 Atmel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/clk.h>
#include <linux/clk/at91_pmc.h>
diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.h b/drivers/usb/gadget/udc/atmel_usba_udc.h
index f8ebe0389bd4..860a00a6fdd0 100644
--- a/drivers/usb/gadget/udc/atmel_usba_udc.h
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.h
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Driver for the Atmel USBA high speed USB device controller
*
* Copyright (C) 2005-2007 Atmel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef __LINUX_USB_GADGET_USBA_UDC_H__
#define __LINUX_USB_GADGET_USBA_UDC_H__
diff --git a/drivers/usb/gadget/udc/bcm63xx_udc.c b/drivers/usb/gadget/udc/bcm63xx_udc.c
index f78503203f42..29f254793592 100644
--- a/drivers/usb/gadget/udc/bcm63xx_udc.c
+++ b/drivers/usb/gadget/udc/bcm63xx_udc.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* bcm63xx_udc.c -- BCM63xx UDC high/full speed USB device controller
*
* Copyright (C) 2012 Kevin Cernekee <cernekee@gmail.com>
* Copyright (C) 2012 Broadcom Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/bitops.h>
diff --git a/drivers/usb/gadget/udc/bdc/bdc.h b/drivers/usb/gadget/udc/bdc/bdc.h
index 6df0352cdc50..6e1e881dc51e 100644
--- a/drivers/usb/gadget/udc/bdc/bdc.h
+++ b/drivers/usb/gadget/udc/bdc/bdc.h
@@ -1,15 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* bdc.h - header for the BRCM BDC USB3.0 device controller
*
* Copyright (C) 2014 Broadcom Corporation
*
* Author: Ashwini Pahuja
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
*/
#ifndef __LINUX_BDC_H__
diff --git a/drivers/usb/gadget/udc/bdc/bdc_cmd.c b/drivers/usb/gadget/udc/bdc/bdc_cmd.c
index 6e920f1dce02..6305bf2c8b59 100644
--- a/drivers/usb/gadget/udc/bdc/bdc_cmd.c
+++ b/drivers/usb/gadget/udc/bdc/bdc_cmd.c
@@ -1,15 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* bdc_cmd.c - BRCM BDC USB3.0 device controller
*
* Copyright (C) 2014 Broadcom Corporation
*
* Author: Ashwini Pahuja
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
*/
#include <linux/scatterlist.h>
#include <linux/slab.h>
diff --git a/drivers/usb/gadget/udc/bdc/bdc_cmd.h b/drivers/usb/gadget/udc/bdc/bdc_cmd.h
index 61d0e3bf9853..29cc988a671a 100644
--- a/drivers/usb/gadget/udc/bdc/bdc_cmd.h
+++ b/drivers/usb/gadget/udc/bdc/bdc_cmd.h
@@ -1,15 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* bdc_cmd.h - header for the BDC debug functions
*
* Copyright (C) 2014 Broadcom Corporation
*
* Author: Ashwini Pahuja
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
*/
#ifndef __LINUX_BDC_CMD_H__
#define __LINUX_BDC_CMD_H__
diff --git a/drivers/usb/gadget/udc/bdc/bdc_core.c b/drivers/usb/gadget/udc/bdc/bdc_core.c
index 7a8af4b916cf..d39f070acbd7 100644
--- a/drivers/usb/gadget/udc/bdc/bdc_core.c
+++ b/drivers/usb/gadget/udc/bdc/bdc_core.c
@@ -1,15 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* bdc_core.c - BRCM BDC USB3.0 device controller core operations
*
* Copyright (C) 2014 Broadcom Corporation
*
* Author: Ashwini Pahuja
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
*/
#include <linux/module.h>
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/udc/bdc/bdc_dbg.c b/drivers/usb/gadget/udc/bdc/bdc_dbg.c
index ac98f6f681b7..7ba7448ad743 100644
--- a/drivers/usb/gadget/udc/bdc/bdc_dbg.c
+++ b/drivers/usb/gadget/udc/bdc/bdc_dbg.c
@@ -1,15 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* bdc_dbg.c - BRCM BDC USB3.0 device controller debug functions
*
* Copyright (C) 2014 Broadcom Corporation
*
* Author: Ashwini Pahuja
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
*/
#include "bdc.h"
diff --git a/drivers/usb/gadget/udc/bdc/bdc_dbg.h b/drivers/usb/gadget/udc/bdc/bdc_dbg.h
index 338a6c701315..373d5abffbb8 100644
--- a/drivers/usb/gadget/udc/bdc/bdc_dbg.h
+++ b/drivers/usb/gadget/udc/bdc/bdc_dbg.h
@@ -1,15 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* bdc_dbg.h - header for the BDC debug functions
*
* Copyright (C) 2014 Broadcom Corporation
*
* Author: Ashwini Pahuja
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
*/
#ifndef __LINUX_BDC_DBG_H__
#define __LINUX_BDC_DBG_H__
diff --git a/drivers/usb/gadget/udc/bdc/bdc_ep.c b/drivers/usb/gadget/udc/bdc/bdc_ep.c
index bfd8f7ade935..f40d4c13cfa4 100644
--- a/drivers/usb/gadget/udc/bdc/bdc_ep.c
+++ b/drivers/usb/gadget/udc/bdc/bdc_ep.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* bdc_ep.c - BRCM BDC USB3.0 device controller endpoint related functions
*
@@ -6,12 +7,6 @@
* Author: Ashwini Pahuja
*
* Based on drivers under drivers/usb/
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
*/
#include <linux/module.h>
#include <linux/pci.h>
diff --git a/drivers/usb/gadget/udc/bdc/bdc_ep.h b/drivers/usb/gadget/udc/bdc/bdc_ep.h
index 8a6b36cbf2ea..a37ff8033b4f 100644
--- a/drivers/usb/gadget/udc/bdc/bdc_ep.h
+++ b/drivers/usb/gadget/udc/bdc/bdc_ep.h
@@ -1,15 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* bdc_ep.h - header for the BDC debug functions
*
* Copyright (C) 2014 Broadcom Corporation
*
* Author: Ashwini Pahuja
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
*/
#ifndef __LINUX_BDC_EP_H__
#define __LINUX_BDC_EP_H__
diff --git a/drivers/usb/gadget/udc/bdc/bdc_pci.c b/drivers/usb/gadget/udc/bdc/bdc_pci.c
index 02968842b359..1e940f054cb8 100644
--- a/drivers/usb/gadget/udc/bdc/bdc_pci.c
+++ b/drivers/usb/gadget/udc/bdc/bdc_pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* bdc_pci.c - BRCM BDC USB3.0 device controller PCI interface file.
*
@@ -6,12 +7,6 @@
* Author: Ashwini Pahuja
*
* Based on drivers under drivers/usb/
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
*/
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/udc/bdc/bdc_udc.c b/drivers/usb/gadget/udc/bdc/bdc_udc.c
index c84346146456..7bfd58c846f7 100644
--- a/drivers/usb/gadget/udc/bdc/bdc_udc.c
+++ b/drivers/usb/gadget/udc/bdc/bdc_udc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* bdc_udc.c - BRCM BDC USB3.0 device controller gagdet ops
*
@@ -6,12 +7,6 @@
* Author: Ashwini Pahuja
*
* Based on drivers under drivers/usb/gadget/udc/
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
*/
#include <linux/module.h>
#include <linux/pci.h>
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index d41d07aae0ce..61422d624ad0 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -1,20 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/**
* udc.c - Core UDC Framework
*
* Copyright (C) 2010 Texas Instruments
* Author: Felipe Balbi <balbi@ti.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 of
- * the License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/kernel.h>
@@ -912,7 +901,7 @@ int usb_gadget_ep_match_desc(struct usb_gadget *gadget,
return 0;
type = usb_endpoint_type(desc);
- max = 0x7ff & usb_endpoint_maxp(desc);
+ max = usb_endpoint_maxp(desc);
if (usb_endpoint_dir_in(desc) && !ep->caps.dir_in)
return 0;
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index f04e91ef9e7c..4f1b1809472c 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* dummy_hcd.c -- Dummy/Loopback USB host and device emulator driver.
*
@@ -5,11 +6,6 @@
*
* Copyright (C) 2003 David Brownell
* Copyright (C) 2003-2005 Alan Stern
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
@@ -23,6 +19,8 @@
*
* Having this all in one kernel can help some stages of development,
* bypassing some hardware (and driver) issues. UML could help too.
+ *
+ * Note: The emulation does not include isochronous transfers!
*/
#include <linux/module.h>
@@ -137,6 +135,9 @@ static const struct {
.caps = _caps, \
}
+/* we don't provide isochronous endpoints since we don't support them */
+#define TYPE_BULK_OR_INT (USB_EP_CAPS_TYPE_BULK | USB_EP_CAPS_TYPE_INT)
+
/* everyone has ep0 */
EP_INFO(ep0name,
USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_ALL)),
@@ -145,64 +146,72 @@ static const struct {
USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)),
EP_INFO("ep2out-bulk",
USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)),
+/*
EP_INFO("ep3in-iso",
USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_IN)),
EP_INFO("ep4out-iso",
USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_OUT)),
+*/
EP_INFO("ep5in-int",
USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)),
EP_INFO("ep6in-bulk",
USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)),
EP_INFO("ep7out-bulk",
USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)),
+/*
EP_INFO("ep8in-iso",
USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_IN)),
EP_INFO("ep9out-iso",
USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_OUT)),
+*/
EP_INFO("ep10in-int",
USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)),
EP_INFO("ep11in-bulk",
USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)),
EP_INFO("ep12out-bulk",
USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)),
+/*
EP_INFO("ep13in-iso",
USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_IN)),
EP_INFO("ep14out-iso",
USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_OUT)),
+*/
EP_INFO("ep15in-int",
USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)),
+
/* or like sa1100: two fixed function endpoints */
EP_INFO("ep1out-bulk",
USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)),
EP_INFO("ep2in-bulk",
USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)),
+
/* and now some generic EPs so we have enough in multi config */
EP_INFO("ep3out",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)),
+ USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_OUT)),
EP_INFO("ep4in",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)),
+ USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_IN)),
EP_INFO("ep5out",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)),
+ USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_OUT)),
EP_INFO("ep6out",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)),
+ USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_OUT)),
EP_INFO("ep7in",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)),
+ USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_IN)),
EP_INFO("ep8out",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)),
+ USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_OUT)),
EP_INFO("ep9in",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)),
+ USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_IN)),
EP_INFO("ep10out",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)),
+ USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_OUT)),
EP_INFO("ep11out",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)),
+ USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_OUT)),
EP_INFO("ep12in",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)),
+ USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_IN)),
EP_INFO("ep13out",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)),
+ USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_OUT)),
EP_INFO("ep14in",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)),
+ USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_IN)),
EP_INFO("ep15out",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)),
+ USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_OUT)),
#undef EP_INFO
};
@@ -556,10 +565,12 @@ static int dummy_enable(struct usb_ep *_ep,
if (max <= 1024)
break;
/* save a return statement */
+ /* fall through */
case USB_SPEED_FULL:
if (max <= 64)
break;
/* save a return statement */
+ /* fall through */
default:
if (max <= 8)
break;
@@ -577,6 +588,7 @@ static int dummy_enable(struct usb_ep *_ep,
if (max <= 1024)
break;
/* save a return statement */
+ /* fall through */
case USB_SPEED_FULL:
if (max <= 1023)
break;
@@ -1769,6 +1781,7 @@ static void dummy_timer(unsigned long _dum_hcd)
int i;
/* simplistic model for one frame's bandwidth */
+ /* FIXME: account for transaction and packet overhead */
switch (dum->gadget.speed) {
case USB_SPEED_LOW:
total = 8/*bytes*/ * 12/*packets*/;
@@ -1813,7 +1826,6 @@ restart:
struct dummy_request *req;
u8 address;
struct dummy_ep *ep = NULL;
- int type;
int status = -EINPROGRESS;
/* stop when we reach URBs queued after the timer interrupt */
@@ -1825,14 +1837,10 @@ restart:
goto return_urb;
else if (dum_hcd->rh_state != DUMMY_RH_RUNNING)
continue;
- type = usb_pipetype(urb->pipe);
- /* used up this frame's non-periodic bandwidth?
- * FIXME there's infinite bandwidth for control and
- * periodic transfers ... unrealistic.
- */
- if (total <= 0 && type == PIPE_BULK)
- continue;
+ /* Used up this frame's bandwidth? */
+ if (total <= 0)
+ break;
/* find the gadget's ep for this request (if configured) */
address = usb_pipeendpoint (urb->pipe);
@@ -1930,13 +1938,17 @@ restart:
limit = total;
switch (usb_pipetype(urb->pipe)) {
case PIPE_ISOCHRONOUS:
- /* FIXME is it urb->interval since the last xfer?
- * use urb->iso_frame_desc[i].
- * complete whether or not ep has requests queued.
- * report random errors, to debug drivers.
+ /*
+ * We don't support isochronous. But if we did,
+ * here are some of the issues we'd have to face:
+ *
+ * Is it urb->interval since the last xfer?
+ * Use urb->iso_frame_desc[i].
+ * Complete whether or not ep has requests queued.
+ * Report random errors, to debug drivers.
*/
limit = max(limit, periodic_bytes(dum, ep));
- status = -ENOSYS;
+ status = -EINVAL; /* fail all xfers */
break;
case PIPE_INTERRUPT:
@@ -2433,9 +2445,7 @@ static DEVICE_ATTR_RO(urbs);
static int dummy_start_ss(struct dummy_hcd *dum_hcd)
{
- init_timer(&dum_hcd->timer);
- dum_hcd->timer.function = dummy_timer;
- dum_hcd->timer.data = (unsigned long)dum_hcd;
+ setup_timer(&dum_hcd->timer, dummy_timer, (unsigned long)dum_hcd);
dum_hcd->rh_state = DUMMY_RH_RUNNING;
dum_hcd->stream_en_ep = 0;
INIT_LIST_HEAD(&dum_hcd->urbp_list);
@@ -2464,9 +2474,7 @@ static int dummy_start(struct usb_hcd *hcd)
return dummy_start_ss(dum_hcd);
spin_lock_init(&dum_hcd->dum->lock);
- init_timer(&dum_hcd->timer);
- dum_hcd->timer.function = dummy_timer;
- dum_hcd->timer.data = (unsigned long)dum_hcd;
+ setup_timer(&dum_hcd->timer, dummy_timer, (unsigned long)dum_hcd);
dum_hcd->rh_state = DUMMY_RH_RUNNING;
INIT_LIST_HEAD(&dum_hcd->urbp_list);
diff --git a/drivers/usb/gadget/udc/fotg210-udc.c b/drivers/usb/gadget/udc/fotg210-udc.c
index 78d0204e3e20..53a48f561458 100644
--- a/drivers/usb/gadget/udc/fotg210-udc.c
+++ b/drivers/usb/gadget/udc/fotg210-udc.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* FOTG210 UDC Driver supports Bulk transfer so far
*
* Copyright (C) 2013 Faraday Technology Corporation
*
* Author : Yuan-Hsin Chen <yhchen@faraday-tech.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
*/
#include <linux/dma-mapping.h>
diff --git a/drivers/usb/gadget/udc/fotg210.h b/drivers/usb/gadget/udc/fotg210.h
index bbf991bcbe7c..08c32957503b 100644
--- a/drivers/usb/gadget/udc/fotg210.h
+++ b/drivers/usb/gadget/udc/fotg210.h
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Faraday FOTG210 USB OTG controller
*
* Copyright (C) 2013 Faraday Technology Corporation
* Author: Yuan-Hsin Chen <yhchen@faraday-tech.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/udc/fsl_mxc_udc.c b/drivers/usb/gadget/udc/fsl_mxc_udc.c
index f16e149c5b3e..f29cf5c6160c 100644
--- a/drivers/usb/gadget/udc/fsl_mxc_udc.c
+++ b/drivers/usb/gadget/udc/fsl_mxc_udc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2009
* Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de>
@@ -5,11 +6,6 @@
* Description:
* Helper routines for i.MX3x SoCs from Freescale, needed by the fsl_usb2_udc.c
* driver to function correctly on these systems.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
*/
#include <linux/clk.h>
#include <linux/delay.h>
diff --git a/drivers/usb/gadget/udc/fsl_qe_udc.c b/drivers/usb/gadget/udc/fsl_qe_udc.c
index a3e72d690eef..2707be628298 100644
--- a/drivers/usb/gadget/udc/fsl_qe_udc.c
+++ b/drivers/usb/gadget/udc/fsl_qe_udc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* driver/usb/gadget/fsl_qe_udc.c
*
@@ -11,11 +12,6 @@
* Freescle QE/CPM USB Pheripheral Controller Driver
* The controller can be found on MPC8360, MPC8272, and etc.
* MPC8360 Rev 1.1 may need QE mircocode update
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
*/
#undef USB_TRACE
diff --git a/drivers/usb/gadget/udc/fsl_qe_udc.h b/drivers/usb/gadget/udc/fsl_qe_udc.h
index 7026919fc901..2c537a904ee7 100644
--- a/drivers/usb/gadget/udc/fsl_qe_udc.h
+++ b/drivers/usb/gadget/udc/fsl_qe_udc.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* drivers/usb/gadget/qe_udc.h
*
@@ -8,11 +9,6 @@
*
* Description:
* Freescale USB device/endpoint management registers
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
*/
#ifndef __FSL_QE_UDC_H
diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c
index 6f2f71c054be..d606d4f13098 100644
--- a/drivers/usb/gadget/udc/fsl_udc_core.c
+++ b/drivers/usb/gadget/udc/fsl_udc_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2004-2007,2011-2012 Freescale Semiconductor, Inc.
* All rights reserved.
@@ -10,11 +11,6 @@
* This can be found on MPC8349E/MPC8313E/MPC5121E cpus.
* The driver is previously named as mpc_udc. Based on bare board
* code from Dave Liu and Shlomi Gridish.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
*/
#undef VERBOSE
diff --git a/drivers/usb/gadget/udc/fsl_usb2_udc.h b/drivers/usb/gadget/udc/fsl_usb2_udc.h
index e92b8408b6f6..4ba651ae9048 100644
--- a/drivers/usb/gadget/udc/fsl_usb2_udc.h
+++ b/drivers/usb/gadget/udc/fsl_usb2_udc.h
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2004,2012 Freescale Semiconductor, Inc
* All rights reserved.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
* Freescale USB device/endpoint management registers
*/
#ifndef __FSL_USB2_UDC_H
diff --git a/drivers/usb/gadget/udc/fusb300_udc.c b/drivers/usb/gadget/udc/fusb300_udc.c
index e0c1b0099265..263804d154a7 100644
--- a/drivers/usb/gadget/udc/fusb300_udc.c
+++ b/drivers/usb/gadget/udc/fusb300_udc.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Fusb300 UDC (USB gadget)
*
* Copyright (C) 2010 Faraday Technology Corp.
*
* Author : Yuan-hsin Chen <yhchen@faraday-tech.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
*/
#include <linux/dma-mapping.h>
#include <linux/err.h>
diff --git a/drivers/usb/gadget/udc/fusb300_udc.h b/drivers/usb/gadget/udc/fusb300_udc.h
index ad39f892d200..eb3d6d379ba7 100644
--- a/drivers/usb/gadget/udc/fusb300_udc.h
+++ b/drivers/usb/gadget/udc/fusb300_udc.h
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Fusb300 UDC (USB gadget)
*
* Copyright (C) 2010 Faraday Technology Corp.
*
* Author : Yuan-hsin Chen <yhchen@faraday-tech.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
*/
diff --git a/drivers/usb/gadget/udc/goku_udc.c b/drivers/usb/gadget/udc/goku_udc.c
index 8433c22900dc..4504d0b202db 100644
--- a/drivers/usb/gadget/udc/goku_udc.c
+++ b/drivers/usb/gadget/udc/goku_udc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Toshiba TC86C001 ("Goku-S") USB Device Controller driver
*
@@ -5,10 +6,6 @@
* by Stuart Lynne, Tom Rushworth, and Bruce Balden
* Copyright (C) 2002 Toshiba Corporation
* Copyright (C) 2003 MontaVista Software (source@mvista.com)
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
*/
/*
@@ -127,11 +124,15 @@ goku_ep_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
mode = 0;
max = get_unaligned_le16(&desc->wMaxPacketSize);
switch (max) {
- case 64: mode++;
- case 32: mode++;
- case 16: mode++;
- case 8: mode <<= 3;
- break;
+ case 64:
+ mode++; /* fall through */
+ case 32:
+ mode++; /* fall through */
+ case 16:
+ mode++; /* fall through */
+ case 8:
+ mode <<= 3;
+ break;
default:
return -EINVAL;
}
diff --git a/drivers/usb/gadget/udc/goku_udc.h b/drivers/usb/gadget/udc/goku_udc.h
index 86d2adafe149..26601bf4e7a9 100644
--- a/drivers/usb/gadget/udc/goku_udc.h
+++ b/drivers/usb/gadget/udc/goku_udc.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Toshiba TC86C001 ("Goku-S") USB Device Controller driver
*
@@ -5,10 +6,6 @@
* by Stuart Lynne, Tom Rushworth, and Bruce Balden
* Copyright (C) 2002 Toshiba Corporation
* Copyright (C) 2003 MontaVista Software (source@mvista.com)
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
*/
/*
diff --git a/drivers/usb/gadget/udc/gr_udc.c b/drivers/usb/gadget/udc/gr_udc.c
index 0b59fa50aa30..b3fb1bbdb854 100644
--- a/drivers/usb/gadget/udc/gr_udc.c
+++ b/drivers/usb/gadget/udc/gr_udc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* USB Peripheral Controller driver for Aeroflex Gaisler GRUSBDC.
*
@@ -9,11 +10,6 @@
* Full documentation of the GRUSBDC core can be found here:
* http://www.gaisler.com/products/grlib/grip.pdf
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
* Contributors:
* - Andreas Larsson <andreas@gaisler.com>
* - Marko Isomaki
@@ -1538,7 +1534,7 @@ static int gr_ep_enable(struct usb_ep *_ep,
* Bits 10-0 set the max payload. 12-11 set the number of
* additional transactions.
*/
- max = 0x7ff & usb_endpoint_maxp(desc);
+ max = usb_endpoint_maxp(desc);
nt = usb_endpoint_maxp_mult(desc) - 1;
buffer_size = GR_BUFFER_SIZE(epctrl);
if (nt && (mode == 0 || mode == 2)) {
diff --git a/drivers/usb/gadget/udc/gr_udc.h b/drivers/usb/gadget/udc/gr_udc.h
index 4297c4e8021f..3e913268c8c5 100644
--- a/drivers/usb/gadget/udc/gr_udc.h
+++ b/drivers/usb/gadget/udc/gr_udc.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* USB Peripheral Controller driver for Aeroflex Gaisler GRUSBDC.
*
@@ -9,11 +10,6 @@
* Full documentation of the GRUSBDC core can be found here:
* http://www.gaisler.com/products/grlib/grip.pdf
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
* Contributors:
* - Andreas Larsson <andreas@gaisler.com>
* - Marko Isomaki
diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c
index 8f32b5ee7734..b0781771704e 100644
--- a/drivers/usb/gadget/udc/lpc32xx_udc.c
+++ b/drivers/usb/gadget/udc/lpc32xx_udc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* USB Gadget driver for LPC32xx
*
@@ -12,20 +13,6 @@
*
* Note: This driver is based on original work done by Mike James for
* the LPC3180.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/clk.h>
diff --git a/drivers/usb/gadget/udc/m66592-udc.c b/drivers/usb/gadget/udc/m66592-udc.c
index 46ce7bc15f2b..f19e6282a688 100644
--- a/drivers/usb/gadget/udc/m66592-udc.c
+++ b/drivers/usb/gadget/udc/m66592-udc.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* M66592 UDC (USB gadget)
*
* Copyright (C) 2006-2007 Renesas Solutions Corp.
*
* Author : Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
*/
#include <linux/module.h>
@@ -1592,9 +1589,7 @@ static int m66592_probe(struct platform_device *pdev)
m66592->gadget.max_speed = USB_SPEED_HIGH;
m66592->gadget.name = udc_name;
- init_timer(&m66592->timer);
- m66592->timer.function = m66592_timer;
- m66592->timer.data = (unsigned long)m66592;
+ setup_timer(&m66592->timer, m66592_timer, (unsigned long)m66592);
m66592->reg = reg;
ret = request_irq(ires->start, m66592_irq, IRQF_SHARED,
diff --git a/drivers/usb/gadget/udc/m66592-udc.h b/drivers/usb/gadget/udc/m66592-udc.h
index 96d49d7bfb6b..01a64685b8a3 100644
--- a/drivers/usb/gadget/udc/m66592-udc.h
+++ b/drivers/usb/gadget/udc/m66592-udc.h
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* M66592 UDC (USB gadget)
*
* Copyright (C) 2006-2007 Renesas Solutions Corp.
*
* Author : Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
*/
#ifndef __M66592_UDC_H__
diff --git a/drivers/usb/gadget/udc/mv_u3d.h b/drivers/usb/gadget/udc/mv_u3d.h
index e32a787ac373..982625b7197a 100644
--- a/drivers/usb/gadget/udc/mv_u3d.h
+++ b/drivers/usb/gadget/udc/mv_u3d.h
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2011 Marvell International Ltd. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
#ifndef __MV_U3D_H
diff --git a/drivers/usb/gadget/udc/mv_u3d_core.c b/drivers/usb/gadget/udc/mv_u3d_core.c
index 772049afe166..35e02a8d0091 100644
--- a/drivers/usb/gadget/udc/mv_u3d_core.c
+++ b/drivers/usb/gadget/udc/mv_u3d_core.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2011 Marvell International Ltd. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
#include <linux/module.h>
diff --git a/drivers/usb/gadget/udc/mv_udc.h b/drivers/usb/gadget/udc/mv_udc.h
index be77f207dbaf..b3f759c0962c 100644
--- a/drivers/usb/gadget/udc/mv_udc.h
+++ b/drivers/usb/gadget/udc/mv_udc.h
@@ -1,10 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2011 Marvell International Ltd. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
*/
#ifndef __MV_UDC_H
diff --git a/drivers/usb/gadget/udc/mv_udc_core.c b/drivers/usb/gadget/udc/mv_udc_core.c
index 4103bf7cf52a..95f52232493b 100644
--- a/drivers/usb/gadget/udc/mv_udc_core.c
+++ b/drivers/usb/gadget/udc/mv_udc_core.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2011 Marvell International Ltd. All rights reserved.
* Author: Chao Xie <chao.xie@marvell.com>
* Neil Zhang <zhangwm@marvell.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
*/
#include <linux/module.h>
diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c
index 8f85a51bd2b3..660878a19505 100644
--- a/drivers/usb/gadget/udc/net2272.c
+++ b/drivers/usb/gadget/udc/net2272.c
@@ -1,22 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Driver for PLX NET2272 USB device controller
*
* Copyright (C) 2005-2006 PLX Technology, Inc.
* Copyright (C) 2006-2011 Analog Devices, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/delay.h>
diff --git a/drivers/usb/gadget/udc/net2272.h b/drivers/usb/gadget/udc/net2272.h
index 69bc9c3c6ce4..8e644627992d 100644
--- a/drivers/usb/gadget/udc/net2272.h
+++ b/drivers/usb/gadget/udc/net2272.h
@@ -1,22 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* PLX NET2272 high/full speed USB device controller
*
* Copyright (C) 2005-2006 PLX Technology, Inc.
* Copyright (C) 2006-2011 Analog Devices, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __NET2272_H__
diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c
index f608c1f85e61..318246d8b2e2 100644
--- a/drivers/usb/gadget/udc/net2280.c
+++ b/drivers/usb/gadget/udc/net2280.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Driver for the PLX NET2280 USB device controller.
* Specs and errata are available from <http://www.plxtech.com>.
@@ -31,11 +32,6 @@
*
* Modified Ricardo Ribalda Qtechnology AS to provide compatibility
* with usb 338x chip. Based on PLX driver
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/module.h>
diff --git a/drivers/usb/gadget/udc/net2280.h b/drivers/usb/gadget/udc/net2280.h
index 1088c3745999..b65a797544d7 100644
--- a/drivers/usb/gadget/udc/net2280.h
+++ b/drivers/usb/gadget/udc/net2280.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* NetChip 2280 high/full speed USB device controller.
* Unlike many such controllers, this one talks PCI.
@@ -7,11 +8,6 @@
* Copyright (C) 2002 NetChip Technology, Inc. (http://www.netchip.com)
* Copyright (C) 2003 David Brownell
* Copyright (C) 2014 Ricardo Ribalda - Qtechnology/AS
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/usb/net2280.h>
diff --git a/drivers/usb/gadget/udc/omap_udc.c b/drivers/usb/gadget/udc/omap_udc.c
index f05ba6825bfe..fc7f810baef7 100644
--- a/drivers/usb/gadget/udc/omap_udc.c
+++ b/drivers/usb/gadget/udc/omap_udc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* omap_udc.c -- for OMAP full speed udc; most chips support OTG.
*
@@ -5,11 +6,6 @@
* Copyright (C) 2004-2005 David Brownell
*
* OMAP2 & DMA support by Kyungmin Park <kyungmin.park@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#undef DEBUG
diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c
index 84dcbcd756f0..afaea11ec771 100644
--- a/drivers/usb/gadget/udc/pch_udc.c
+++ b/drivers/usb/gadget/udc/pch_udc.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/udc/pxa25x_udc.c b/drivers/usb/gadget/udc/pxa25x_udc.c
index a238da906115..8f135d9fa245 100644
--- a/drivers/usb/gadget/udc/pxa25x_udc.c
+++ b/drivers/usb/gadget/udc/pxa25x_udc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Intel PXA25x and IXP4xx on-chip full speed USB device controllers
*
@@ -6,11 +7,6 @@
* Copyright (C) 2003 Benedikt Spranger, Pengutronix
* Copyright (C) 2003 David Brownell
* Copyright (C) 2003 Joshua Wise
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
/* #define VERBOSE_DEBUG */
@@ -2417,9 +2413,7 @@ static int pxa25x_udc_probe(struct platform_device *pdev)
gpio_direction_output(dev->mach->gpio_pullup, 0);
}
- init_timer(&dev->timer);
- dev->timer.function = udc_watchdog;
- dev->timer.data = (unsigned long) dev;
+ setup_timer(&dev->timer, udc_watchdog, (unsigned long)dev);
the_controller = dev;
platform_set_drvdata(pdev, dev);
diff --git a/drivers/usb/gadget/udc/pxa25x_udc.h b/drivers/usb/gadget/udc/pxa25x_udc.h
index a458bec2536d..ccc6b921f067 100644
--- a/drivers/usb/gadget/udc/pxa25x_udc.h
+++ b/drivers/usb/gadget/udc/pxa25x_udc.h
@@ -1,14 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Intel PXA25x on-chip full speed USB device controller
*
* Copyright (C) 2003 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
* Copyright (C) 2003 David Brownell
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#ifndef __LINUX_USB_GADGET_PXA25X_H
diff --git a/drivers/usb/gadget/udc/pxa27x_udc.c b/drivers/usb/gadget/udc/pxa27x_udc.c
index d48e239660c3..be2761f1b3f5 100644
--- a/drivers/usb/gadget/udc/pxa27x_udc.c
+++ b/drivers/usb/gadget/udc/pxa27x_udc.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Handles the Intel 27x USB Device Controller (UDC)
*
* Inspired by original driver by Frank Becker, David Brownell, and others.
* Copyright (C) 2008 Robert Jarzmik
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/module.h>
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/udc/pxa27x_udc.h b/drivers/usb/gadget/udc/pxa27x_udc.h
index cea2cb79b30c..1128d39a4255 100644
--- a/drivers/usb/gadget/udc/pxa27x_udc.h
+++ b/drivers/usb/gadget/udc/pxa27x_udc.h
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* linux/drivers/usb/gadget/pxa27x_udc.h
* Intel PXA27x on-chip full speed USB device controller
*
* Inspired by original driver by Frank Becker, David Brownell, and others.
* Copyright (C) 2008 Robert Jarzmik
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#ifndef __LINUX_USB_GADGET_PXA27X_H
diff --git a/drivers/usb/gadget/udc/r8a66597-udc.c b/drivers/usb/gadget/udc/r8a66597-udc.c
index 118ad70f1af0..143122ed3c66 100644
--- a/drivers/usb/gadget/udc/r8a66597-udc.c
+++ b/drivers/usb/gadget/udc/r8a66597-udc.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* R8A66597 UDC (USB gadget)
*
* Copyright (C) 2006-2009 Renesas Solutions Corp.
*
* Author : Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
*/
#include <linux/module.h>
@@ -1877,9 +1874,7 @@ static int r8a66597_probe(struct platform_device *pdev)
r8a66597->gadget.max_speed = USB_SPEED_HIGH;
r8a66597->gadget.name = udc_name;
- init_timer(&r8a66597->timer);
- r8a66597->timer.function = r8a66597_timer;
- r8a66597->timer.data = (unsigned long)r8a66597;
+ setup_timer(&r8a66597->timer, r8a66597_timer, (unsigned long)r8a66597);
r8a66597->reg = reg;
if (r8a66597->pdata->on_chip) {
diff --git a/drivers/usb/gadget/udc/r8a66597-udc.h b/drivers/usb/gadget/udc/r8a66597-udc.h
index 45c4b2df1785..9a115caba661 100644
--- a/drivers/usb/gadget/udc/r8a66597-udc.h
+++ b/drivers/usb/gadget/udc/r8a66597-udc.h
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* R8A66597 UDC
*
* Copyright (C) 2007-2009 Renesas Solutions Corp.
*
* Author : Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
*/
#ifndef __R8A66597_H__
diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
index 63a206122058..bc37f40baacf 100644
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c
@@ -1,22 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Renesas USB3.0 Peripheral driver (USB gadget)
*
- * Copyright (C) 2015 Renesas Electronics Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * Copyright (C) 2015-2017 Renesas Electronics Corporation
*/
#include <linux/debugfs.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/err.h>
-#include <linux/extcon.h>
+#include <linux/extcon-provider.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of_device.h>
+#include <linux/phy/phy.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/sizes.h>
@@ -334,6 +332,7 @@ struct renesas_usb3 {
struct usb_gadget_driver *driver;
struct extcon_dev *extcon;
struct work_struct extcon_work;
+ struct phy *phy;
struct renesas_usb3_ep *usb3_ep;
int num_usb3_eps;
@@ -2056,7 +2055,7 @@ static u32 usb3_calc_rammap_val(struct renesas_usb3_ep *usb3_ep,
const struct usb_endpoint_descriptor *desc)
{
int i;
- const u32 max_packet_array[] = {8, 16, 32, 64, 512};
+ static const u32 max_packet_array[] = {8, 16, 32, 64, 512};
u32 mpkt = PN_RAMMAP_MPKT(1024);
for (i = 0; i < ARRAY_SIZE(max_packet_array); i++) {
@@ -2239,7 +2238,9 @@ static int renesas_usb3_start(struct usb_gadget *gadget,
/* hook up the driver */
usb3->driver = driver;
- pm_runtime_enable(usb3_to_dev(usb3));
+ if (usb3->phy)
+ phy_init(usb3->phy);
+
pm_runtime_get_sync(usb3_to_dev(usb3));
renesas_usb3_init_controller(usb3);
@@ -2256,8 +2257,10 @@ static int renesas_usb3_stop(struct usb_gadget *gadget)
usb3->driver = NULL;
renesas_usb3_stop_controller(usb3);
+ if (usb3->phy)
+ phy_exit(usb3->phy);
+
pm_runtime_put(usb3_to_dev(usb3));
- pm_runtime_disable(usb3_to_dev(usb3));
return 0;
}
@@ -2405,6 +2408,9 @@ static int renesas_usb3_remove(struct platform_device *pdev)
renesas_usb3_dma_free_prd(usb3, &pdev->dev);
__renesas_usb3_ep_free_request(usb3->ep0_req);
+ if (usb3->phy)
+ phy_put(usb3->phy);
+ pm_runtime_disable(usb3_to_dev(usb3));
return 0;
}
@@ -2560,20 +2566,15 @@ static int renesas_usb3_probe(struct platform_device *pdev)
{
struct renesas_usb3 *usb3;
struct resource *res;
- const struct of_device_id *match;
int irq, ret;
const struct renesas_usb3_priv *priv;
const struct soc_device_attribute *attr;
- match = of_match_node(usb3_of_match, pdev->dev.of_node);
- if (!match)
- return -ENODEV;
-
attr = soc_device_match(renesas_usb3_quirks_match);
if (attr)
priv = attr->data;
else
- priv = match->data;
+ priv = of_device_get_match_data(&pdev->dev);
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
@@ -2635,11 +2636,20 @@ static int renesas_usb3_probe(struct platform_device *pdev)
if (ret < 0)
goto err_dev_create;
+ /*
+ * This is an optional. So, if this driver cannot get a phy,
+ * this driver will not handle a phy anymore.
+ */
+ usb3->phy = devm_phy_get(&pdev->dev, "usb");
+ if (IS_ERR(usb3->phy))
+ usb3->phy = NULL;
+
usb3->workaround_for_vbus = priv->workaround_for_vbus;
renesas_usb3_debugfs_init(usb3, &pdev->dev);
- dev_info(&pdev->dev, "probed\n");
+ dev_info(&pdev->dev, "probed%s\n", usb3->phy ? " with phy" : "");
+ pm_runtime_enable(usb3_to_dev(usb3));
return 0;
@@ -2655,11 +2665,49 @@ err_alloc_prd:
return ret;
}
+#ifdef CONFIG_PM_SLEEP
+static int renesas_usb3_suspend(struct device *dev)
+{
+ struct renesas_usb3 *usb3 = dev_get_drvdata(dev);
+
+ /* Not started */
+ if (!usb3->driver)
+ return 0;
+
+ renesas_usb3_stop_controller(usb3);
+ if (usb3->phy)
+ phy_exit(usb3->phy);
+ pm_runtime_put(dev);
+
+ return 0;
+}
+
+static int renesas_usb3_resume(struct device *dev)
+{
+ struct renesas_usb3 *usb3 = dev_get_drvdata(dev);
+
+ /* Not started */
+ if (!usb3->driver)
+ return 0;
+
+ if (usb3->phy)
+ phy_init(usb3->phy);
+ pm_runtime_get_sync(dev);
+ renesas_usb3_init_controller(usb3);
+
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(renesas_usb3_pm_ops, renesas_usb3_suspend,
+ renesas_usb3_resume);
+
static struct platform_driver renesas_usb3_driver = {
.probe = renesas_usb3_probe,
.remove = renesas_usb3_remove,
.driver = {
.name = (char *)udc_name,
+ .pm = &renesas_usb3_pm_ops,
.of_match_table = of_match_ptr(usb3_of_match),
},
};
diff --git a/drivers/usb/gadget/udc/s3c-hsudc.c b/drivers/usb/gadget/udc/s3c-hsudc.c
index 42587b738a1f..31c7c5587cf9 100644
--- a/drivers/usb/gadget/udc/s3c-hsudc.c
+++ b/drivers/usb/gadget/udc/s3c-hsudc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/* linux/drivers/usb/gadget/s3c-hsudc.c
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
@@ -8,11 +9,7 @@
* The S3C24XX USB 2.0 high-speed USB controller supports upto 9 endpoints.
* Each endpoint can be configured as either in or out endpoint. Endpoints
* can be configured for Bulk or Interrupt transfer mode.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
+ */
#include <linux/kernel.h>
#include <linux/module.h>
diff --git a/drivers/usb/gadget/udc/s3c2410_udc.c b/drivers/usb/gadget/udc/s3c2410_udc.c
index 394abd5d65c0..f154f49e98c8 100644
--- a/drivers/usb/gadget/udc/s3c2410_udc.c
+++ b/drivers/usb/gadget/udc/s3c2410_udc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* linux/drivers/usb/gadget/s3c2410_udc.c
*
@@ -5,11 +6,6 @@
*
* Copyright (C) 2004-2007 Herbert Pötzl - Arnaud Patard
* Additional cleanups by Ben Dooks <ben-linux@fluff.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#define pr_fmt(fmt) "s3c2410_udc: " fmt
diff --git a/drivers/usb/gadget/udc/s3c2410_udc.h b/drivers/usb/gadget/udc/s3c2410_udc.h
index 93bf225f1969..bdcaa8dd300f 100644
--- a/drivers/usb/gadget/udc/s3c2410_udc.h
+++ b/drivers/usb/gadget/udc/s3c2410_udc.h
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* linux/drivers/usb/gadget/s3c2410_udc.h
* Samsung on-chip full speed USB device controllers
*
* Copyright (C) 2004-2007 Herbert Pötzl - Arnaud Patard
* Additional cleanups by Ben Dooks <ben-linux@fluff.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#ifndef _S3C2410_UDC_H
diff --git a/drivers/usb/gadget/udc/snps_udc_core.c b/drivers/usb/gadget/udc/snps_udc_core.c
index 38a165dbf924..d4da47f4f6f4 100644
--- a/drivers/usb/gadget/udc/snps_udc_core.c
+++ b/drivers/usb/gadget/udc/snps_udc_core.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* amd5536.c -- AMD 5536 UDC high/full speed USB device controller
*
* Copyright (C) 2005-2007 AMD (http://www.amd.com)
* Author: Thomas Dahlmann
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
/*
@@ -1733,7 +1729,7 @@ static void udc_soft_reset(struct udc *dev)
}
/* RDE timer callback to set RDE bit */
-static void udc_timer_function(unsigned long v)
+static void udc_timer_function(struct timer_list *unused)
{
u32 tmp;
@@ -1813,7 +1809,7 @@ static void udc_handle_halt_state(struct udc_ep *ep)
}
/* Stall timer callback to poll S bit and set it again after */
-static void udc_pollstall_timer_function(unsigned long v)
+static void udc_pollstall_timer_function(struct timer_list *unused)
{
struct udc_ep *ep;
int halted = 0;
@@ -3067,14 +3063,12 @@ void udc_remove(struct udc *dev)
stop_timer++;
if (timer_pending(&udc_timer))
wait_for_completion(&on_exit);
- if (udc_timer.data)
- del_timer_sync(&udc_timer);
+ del_timer_sync(&udc_timer);
/* remove pollstall timer */
stop_pollstall_timer++;
if (timer_pending(&udc_pollstall_timer))
wait_for_completion(&on_pollstall_exit);
- if (udc_pollstall_timer.data)
- del_timer_sync(&udc_pollstall_timer);
+ del_timer_sync(&udc_pollstall_timer);
udc = NULL;
}
EXPORT_SYMBOL_GPL(udc_remove);
@@ -3164,10 +3158,6 @@ int udc_probe(struct udc *dev)
u32 reg;
int retval;
- /* mark timer as not initialized */
- udc_timer.data = 0;
- udc_pollstall_timer.data = 0;
-
/* device struct setup */
dev->gadget.ops = &udc_ops;
@@ -3207,13 +3197,8 @@ int udc_probe(struct udc *dev)
goto finished;
/* timer init */
- init_timer(&udc_timer);
- udc_timer.function = udc_timer_function;
- udc_timer.data = 1;
- /* timer pollstall init */
- init_timer(&udc_pollstall_timer);
- udc_pollstall_timer.function = udc_pollstall_timer_function;
- udc_pollstall_timer.data = 1;
+ timer_setup(&udc_timer, udc_timer_function, 0);
+ timer_setup(&udc_pollstall_timer, udc_pollstall_timer_function, 0);
/* set SD */
reg = readl(&dev->regs->ctl);
diff --git a/drivers/usb/gadget/udc/snps_udc_plat.c b/drivers/usb/gadget/udc/snps_udc_plat.c
index e8a5fdaee37d..32f1d3e90c26 100644
--- a/drivers/usb/gadget/udc/snps_udc_plat.c
+++ b/drivers/usb/gadget/udc/snps_udc_plat.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* snps_udc_plat.c - Synopsys UDC Platform Driver
*
* Copyright (C) 2016 Broadcom
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation version 2.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether express or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/extcon.h>
diff --git a/drivers/usb/gadget/udc/trace.c b/drivers/usb/gadget/udc/trace.c
index 8c551ab91ad8..7430624c0bd7 100644
--- a/drivers/usb/gadget/udc/trace.c
+++ b/drivers/usb/gadget/udc/trace.c
@@ -1,17 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/**
* trace.c - USB Gadget Framework Trace Support
*
* Copyright (C) 2016 Intel Corporation
* Author: Felipe Balbi <felipe.balbi@linux.intel.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 of
- * the License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#define CREATE_TRACE_POINTS
diff --git a/drivers/usb/gadget/udc/trace.h b/drivers/usb/gadget/udc/trace.h
index da29874b5366..f07ddb3f4bb9 100644
--- a/drivers/usb/gadget/udc/trace.h
+++ b/drivers/usb/gadget/udc/trace.h
@@ -1,20 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/**
* udc.c - Core UDC Framework
*
* Copyright (C) 2016 Intel Corporation
* Author: Felipe Balbi <felipe.balbi@linux.intel.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 of
- * the License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#undef TRACE_SYSTEM
diff --git a/drivers/usb/gadget/udc/udc-xilinx.c b/drivers/usb/gadget/udc/udc-xilinx.c
index de207a90571e..7da2b9ce8cb3 100644
--- a/drivers/usb/gadget/udc/udc-xilinx.c
+++ b/drivers/usb/gadget/udc/udc-xilinx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Xilinx USB peripheral controller driver
*
@@ -8,12 +9,6 @@
*
* Some parts of this driver code is based on the driver for at91-series
* USB peripheral controller (at91_udc.c).
- *
- * This program is free software; you can redistribute it
- * and/or modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation;
- * either version 2 of the License, or (at your option) any
- * later version.
*/
#include <linux/delay.h>
diff --git a/drivers/usb/gadget/usbstring.c b/drivers/usb/gadget/usbstring.c
index 73a4dfba0edb..566ab261e8b7 100644
--- a/drivers/usb/gadget/usbstring.c
+++ b/drivers/usb/gadget/usbstring.c
@@ -1,10 +1,6 @@
+// SPDX-License-Identifier: LGPL-2.1+
/*
* Copyright (C) 2003 David Brownell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published
- * by the Free Software Foundation; either version 2.1 of the License, or
- * (at your option) any later version.
*/
#include <linux/errno.h>