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-rw-r--r--drivers/usb/serial/bus.c14
-rw-r--r--drivers/usb/serial/cp210x.c1
-rw-r--r--drivers/usb/serial/ftdi_sio.c14
-rw-r--r--drivers/usb/serial/ftdi_sio_ids.h14
-rw-r--r--drivers/usb/serial/io_ti.c2
-rw-r--r--drivers/usb/serial/io_usbvend.h2
-rw-r--r--drivers/usb/serial/keyspan.c4
-rw-r--r--drivers/usb/serial/kobil_sct.c22
-rw-r--r--drivers/usb/serial/option.c43
-rw-r--r--drivers/usb/serial/qcserial.c143
-rw-r--r--drivers/usb/serial/sierra.c198
-rw-r--r--drivers/usb/serial/usb-serial.c38
-rw-r--r--drivers/usb/serial/usb-wwan.h6
-rw-r--r--drivers/usb/serial/usb_wwan.c236
14 files changed, 419 insertions, 318 deletions
diff --git a/drivers/usb/serial/bus.c b/drivers/usb/serial/bus.c
index 35a2373cde67..9374bd2aba20 100644
--- a/drivers/usb/serial/bus.c
+++ b/drivers/usb/serial/bus.c
@@ -97,13 +97,19 @@ static int usb_serial_device_remove(struct device *dev)
struct usb_serial_port *port;
int retval = 0;
int minor;
+ int autopm_err;
port = to_usb_serial_port(dev);
if (!port)
return -ENODEV;
- /* make sure suspend/resume doesn't race against port_remove */
- usb_autopm_get_interface(port->serial->interface);
+ /*
+ * Make sure suspend/resume doesn't race against port_remove.
+ *
+ * Note that no further runtime PM callbacks will be made if
+ * autopm_get fails.
+ */
+ autopm_err = usb_autopm_get_interface(port->serial->interface);
minor = port->minor;
tty_unregister_device(usb_serial_tty_driver, minor);
@@ -117,7 +123,9 @@ static int usb_serial_device_remove(struct device *dev)
dev_info(dev, "%s converter now disconnected from ttyUSB%d\n",
driver->description, minor);
- usb_autopm_put_interface(port->serial->interface);
+ if (!autopm_err)
+ usb_autopm_put_interface(port->serial->interface);
+
return retval;
}
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 762e4a5f5ae9..330df5ce435b 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -153,6 +153,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */
{ USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */
{ USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */
+ { USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */
{ USB_DEVICE(0x1BE3, 0x07A6) }, /* WAGO 750-923 USB Service Cable */
{ USB_DEVICE(0x1E29, 0x0102) }, /* Festo CPX-USB */
{ USB_DEVICE(0x1E29, 0x0501) }, /* Festo CMSP */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 7c6e1dedeb06..8a3813be1b28 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -580,6 +580,8 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_TIAO_UMPA_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID),
+ .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
/*
* ELV devices:
*/
@@ -718,7 +720,8 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
- { USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) },
+ { USB_DEVICE(TESTO_VID, TESTO_1_PID) },
+ { USB_DEVICE(TESTO_VID, TESTO_3_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
@@ -942,6 +945,8 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_2_PID) },
{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_3_PID) },
{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_4_PID) },
+ /* Infineon Devices */
+ { USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_PID, 1) },
{ } /* Terminating entry */
};
@@ -1564,14 +1569,17 @@ static void ftdi_set_max_packet_size(struct usb_serial_port *port)
struct usb_device *udev = serial->dev;
struct usb_interface *interface = serial->interface;
- struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc;
+ struct usb_endpoint_descriptor *ep_desc;
unsigned num_endpoints;
- int i;
+ unsigned i;
num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints);
+ if (!num_endpoints)
+ return;
+
/* NOTE: some customers have programmed FT232R/FT245R devices
* with an endpoint size of 0 - not good. In this case, we
* want to override the endpoint descriptor setting and use a
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 993c93df6874..c4777bc6aee0 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -538,6 +538,11 @@
*/
#define FTDI_TIAO_UMPA_PID 0x8a98 /* TIAO/DIYGADGET USB Multi-Protocol Adapter */
+/*
+ * NovaTech product ids (FTDI_VID)
+ */
+#define FTDI_NT_ORIONLXM_PID 0x7c90 /* OrionLXm Substation Automation Platform */
+
/********************************/
/** third-party VID/PID combos **/
@@ -579,6 +584,12 @@
#define RATOC_PRODUCT_ID_USB60F 0xb020
/*
+ * Infineon Technologies
+ */
+#define INFINEON_VID 0x058b
+#define INFINEON_TRIBOARD_PID 0x0028 /* DAS JTAG TriBoard TC1798 V1.0 */
+
+/*
* Acton Research Corp.
*/
#define ACTON_VID 0x0647 /* Vendor ID */
@@ -793,7 +804,8 @@
* Submitted by Colin Leroy
*/
#define TESTO_VID 0x128D
-#define TESTO_USB_INTERFACE_PID 0x0001
+#define TESTO_1_PID 0x0001
+#define TESTO_3_PID 0x0003
/*
* Mobility Electronics products.
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index df90dae53eb9..c0a42e9e6777 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -821,7 +821,7 @@ static int build_i2c_fw_hdr(__u8 *header, struct device *dev)
firmware_rec = (struct ti_i2c_firmware_rec*)i2c_header->Data;
i2c_header->Type = I2C_DESC_TYPE_FIRMWARE_BLANK;
- i2c_header->Size = (__u16)buffer_size;
+ i2c_header->Size = cpu_to_le16(buffer_size);
i2c_header->CheckSum = cs;
firmware_rec->Ver_Major = OperationalMajorVersion;
firmware_rec->Ver_Minor = OperationalMinorVersion;
diff --git a/drivers/usb/serial/io_usbvend.h b/drivers/usb/serial/io_usbvend.h
index 51f83fbb73bb..6f6a856bc37c 100644
--- a/drivers/usb/serial/io_usbvend.h
+++ b/drivers/usb/serial/io_usbvend.h
@@ -594,7 +594,7 @@ struct edge_boot_descriptor {
struct ti_i2c_desc {
__u8 Type; // Type of descriptor
- __u16 Size; // Size of data only not including header
+ __le16 Size; // Size of data only not including header
__u8 CheckSum; // Checksum (8 bit sum of data only)
__u8 Data[0]; // Data starts here
} __attribute__((packed));
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index d3acaead5a81..93cb7cebda62 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -1535,14 +1535,14 @@ static int keyspan_usa26_send_setup(struct usb_serial *serial,
this_urb = p_priv->outcont_urb;
- dev_dbg(&port->dev, "%s - endpoint %d\n", __func__, usb_pipeendpoint(this_urb->pipe));
-
/* Make sure we have an urb then send the message */
if (this_urb == NULL) {
dev_dbg(&port->dev, "%s - oops no urb.\n", __func__);
return -1;
}
+ dev_dbg(&port->dev, "%s - endpoint %d\n", __func__, usb_pipeendpoint(this_urb->pipe));
+
/* Save reset port val for resend.
Don't overwrite resend for open/close condition. */
if ((reset_port + 1) > p_priv->resend_cont)
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index fee242387f55..078f9ed419c8 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -215,13 +215,13 @@ static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port)
priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) {
/* Setting Baudrate, Parity and Stopbits */
result = usb_control_msg(port->serial->dev,
- usb_rcvctrlpipe(port->serial->dev, 0),
+ usb_sndctrlpipe(port->serial->dev, 0),
SUSBCRequest_SetBaudRateParityAndStopBits,
USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
SUSBCR_SBR_9600 | SUSBCR_SPASB_EvenParity |
SUSBCR_SPASB_1StopBit,
0,
- transfer_buffer,
+ NULL,
0,
KOBIL_TIMEOUT
);
@@ -229,12 +229,12 @@ static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port)
/* reset all queues */
result = usb_control_msg(port->serial->dev,
- usb_rcvctrlpipe(port->serial->dev, 0),
+ usb_sndctrlpipe(port->serial->dev, 0),
SUSBCRequest_Misc,
USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
SUSBCR_MSC_ResetAllQueues,
0,
- transfer_buffer,
+ NULL,
0,
KOBIL_TIMEOUT
);
@@ -445,12 +445,12 @@ static int kobil_tiocmset(struct tty_struct *tty,
else
dev_dbg(dev, "%s - Clearing DTR\n", __func__);
result = usb_control_msg(port->serial->dev,
- usb_rcvctrlpipe(port->serial->dev, 0),
+ usb_sndctrlpipe(port->serial->dev, 0),
SUSBCRequest_SetStatusLinesOrQueues,
USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
((dtr != 0) ? SUSBCR_SSL_SETDTR : SUSBCR_SSL_CLRDTR),
0,
- transfer_buffer,
+ NULL,
0,
KOBIL_TIMEOUT);
} else {
@@ -459,12 +459,12 @@ static int kobil_tiocmset(struct tty_struct *tty,
else
dev_dbg(dev, "%s - Clearing RTS\n", __func__);
result = usb_control_msg(port->serial->dev,
- usb_rcvctrlpipe(port->serial->dev, 0),
+ usb_sndctrlpipe(port->serial->dev, 0),
SUSBCRequest_SetStatusLinesOrQueues,
USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
((rts != 0) ? SUSBCR_SSL_SETRTS : SUSBCR_SSL_CLRRTS),
0,
- transfer_buffer,
+ NULL,
0,
KOBIL_TIMEOUT);
}
@@ -514,7 +514,7 @@ static void kobil_set_termios(struct tty_struct *tty,
tty_encode_baud_rate(tty, speed, speed);
result = usb_control_msg(port->serial->dev,
- usb_rcvctrlpipe(port->serial->dev, 0),
+ usb_sndctrlpipe(port->serial->dev, 0),
SUSBCRequest_SetBaudRateParityAndStopBits,
USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
urb_val,
@@ -546,12 +546,12 @@ static int kobil_ioctl(struct tty_struct *tty,
return -ENOBUFS;
result = usb_control_msg(port->serial->dev,
- usb_rcvctrlpipe(port->serial->dev, 0),
+ usb_sndctrlpipe(port->serial->dev, 0),
SUSBCRequest_Misc,
USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
SUSBCR_MSC_ResetAllQueues,
0,
- NULL, /* transfer_buffer, */
+ NULL,
0,
KOBIL_TIMEOUT
);
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index f213ee978516..a9688940543d 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -161,6 +161,7 @@ static void option_instat_callback(struct urb *urb);
#define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED 0x9000
#define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED 0x9001
#define NOVATELWIRELESS_PRODUCT_E362 0x9010
+#define NOVATELWIRELESS_PRODUCT_E371 0x9011
#define NOVATELWIRELESS_PRODUCT_G2 0xA010
#define NOVATELWIRELESS_PRODUCT_MC551 0xB001
@@ -351,6 +352,9 @@ static void option_instat_callback(struct urb *urb);
/* Zoom */
#define ZOOM_PRODUCT_4597 0x9607
+/* SpeedUp SU9800 usb 3g modem */
+#define SPEEDUP_PRODUCT_SU9800 0x9800
+
/* Haier products */
#define HAIER_VENDOR_ID 0x201e
#define HAIER_PRODUCT_CE100 0x2009
@@ -371,8 +375,12 @@ static void option_instat_callback(struct urb *urb);
/* Olivetti products */
#define OLIVETTI_VENDOR_ID 0x0b3c
#define OLIVETTI_PRODUCT_OLICARD100 0xc000
+#define OLIVETTI_PRODUCT_OLICARD120 0xc001
+#define OLIVETTI_PRODUCT_OLICARD140 0xc002
#define OLIVETTI_PRODUCT_OLICARD145 0xc003
+#define OLIVETTI_PRODUCT_OLICARD155 0xc004
#define OLIVETTI_PRODUCT_OLICARD200 0xc005
+#define OLIVETTI_PRODUCT_OLICARD160 0xc00a
#define OLIVETTI_PRODUCT_OLICARD500 0xc00b
/* Celot products */
@@ -1012,6 +1020,7 @@ static const struct usb_device_id option_ids[] = {
/* Novatel Ovation MC551 a.k.a. Verizon USB551L */
{ USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC551, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E362, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E371, 0xff, 0xff, 0xff) },
{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) },
{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) },
@@ -1478,6 +1487,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = (kernel_ulong_t)&net_intf2_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1426, 0xff, 0xff, 0xff), /* ZTE MF91 */
.driver_info = (kernel_ulong_t)&net_intf2_blacklist },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1428, 0xff, 0xff, 0xff), /* Telewell TW-LTE 4G v2 */
+ .driver_info = (kernel_ulong_t)&net_intf2_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1533, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1534, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1535, 0xff, 0xff, 0xff) },
@@ -1575,6 +1586,7 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14),
.driver_info = (kernel_ulong_t)&four_g_w14_blacklist
},
+ { USB_DEVICE_INTERFACE_CLASS(LONGCHEER_VENDOR_ID, SPEEDUP_PRODUCT_SU9800, 0xff) },
{ USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) },
{ USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) },
{ USB_DEVICE(HAIER_VENDOR_ID, HAIER_PRODUCT_CE100) },
@@ -1609,15 +1621,21 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDMNET) },
{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, /* HC28 enumerates with Siemens or Cinterion VID depending on FW revision */
{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) },
-
- { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100) },
+ { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100),
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+ { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD120),
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+ { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD140),
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD145) },
+ { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD155),
+ .driver_info = (kernel_ulong_t)&net_intf6_blacklist },
{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD200),
- .driver_info = (kernel_ulong_t)&net_intf6_blacklist
- },
+ .driver_info = (kernel_ulong_t)&net_intf6_blacklist },
+ { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD160),
+ .driver_info = (kernel_ulong_t)&net_intf6_blacklist },
{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD500),
- .driver_info = (kernel_ulong_t)&net_intf4_blacklist
- },
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
{ USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */
{ USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730 LTE USB modem.*/
{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM600) },
@@ -1729,7 +1747,6 @@ static struct usb_serial_driver option_1port_device = {
.write = usb_wwan_write,
.write_room = usb_wwan_write_room,
.chars_in_buffer = usb_wwan_chars_in_buffer,
- .set_termios = usb_wwan_set_termios,
.tiocmget = usb_wwan_tiocmget,
.tiocmset = usb_wwan_tiocmset,
.ioctl = usb_wwan_ioctl,
@@ -1904,6 +1921,7 @@ static void option_instat_callback(struct urb *urb)
/* Resubmit urb so we continue receiving IRQ data */
if (status != -ESHUTDOWN && status != -ENOENT) {
+ usb_mark_last_busy(port->serial->dev);
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err)
dev_dbg(dev, "%s: resubmit intr urb failed. (%d)\n",
@@ -1923,6 +1941,7 @@ static int option_send_setup(struct usb_serial_port *port)
struct option_private *priv = intfdata->private;
struct usb_wwan_port_private *portdata;
int val = 0;
+ int res;
portdata = usb_get_serial_port_data(port);
@@ -1931,9 +1950,17 @@ static int option_send_setup(struct usb_serial_port *port)
if (portdata->rts_state)
val |= 0x02;
- return usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+ res = usb_autopm_get_interface(serial->interface);
+ if (res)
+ return res;
+
+ res = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
0x22, 0x21, val, priv->bInterfaceNumber, NULL,
0, USB_CTRL_SET_TIMEOUT);
+
+ usb_autopm_put_interface(serial->interface);
+
+ return res;
}
MODULE_AUTHOR(DRIVER_AUTHOR);
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 6c0a542e8ec1..b2aa003bf411 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -22,8 +22,17 @@
#define DRIVER_AUTHOR "Qualcomm Inc"
#define DRIVER_DESC "Qualcomm USB Serial driver"
+/* standard device layouts supported by this driver */
+enum qcserial_layouts {
+ QCSERIAL_G2K = 0, /* Gobi 2000 */
+ QCSERIAL_G1K = 1, /* Gobi 1000 */
+ QCSERIAL_SWI = 2, /* Sierra Wireless */
+};
+
#define DEVICE_G1K(v, p) \
- USB_DEVICE(v, p), .driver_info = 1
+ USB_DEVICE(v, p), .driver_info = QCSERIAL_G1K
+#define DEVICE_SWI(v, p) \
+ USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI
static const struct usb_device_id id_table[] = {
/* Gobi 1000 devices */
@@ -126,46 +135,27 @@ static const struct usb_device_id id_table[] = {
{USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */
{USB_DEVICE(0x0AF0, 0x8120)}, /* Option GTM681W */
- /* non Gobi Qualcomm serial devices */
- {USB_DEVICE_INTERFACE_NUMBER(0x0f3d, 0x68a2, 0)}, /* Sierra Wireless MC7700 Device Management */
- {USB_DEVICE_INTERFACE_NUMBER(0x0f3d, 0x68a2, 2)}, /* Sierra Wireless MC7700 NMEA */
- {USB_DEVICE_INTERFACE_NUMBER(0x0f3d, 0x68a2, 3)}, /* Sierra Wireless MC7700 Modem */
- {USB_DEVICE_INTERFACE_NUMBER(0x114f, 0x68a2, 0)}, /* Sierra Wireless MC7750 Device Management */
- {USB_DEVICE_INTERFACE_NUMBER(0x114f, 0x68a2, 2)}, /* Sierra Wireless MC7750 NMEA */
- {USB_DEVICE_INTERFACE_NUMBER(0x114f, 0x68a2, 3)}, /* Sierra Wireless MC7750 Modem */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 0)}, /* Sierra Wireless MC7710 Device Management */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 2)}, /* Sierra Wireless MC7710 NMEA */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 3)}, /* Sierra Wireless MC7710 Modem */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 0)}, /* Sierra Wireless MC73xx Device Management */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 2)}, /* Sierra Wireless MC73xx NMEA */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 3)}, /* Sierra Wireless MC73xx Modem */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 0)}, /* Sierra Wireless EM7700 Device Management */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 2)}, /* Sierra Wireless EM7700 NMEA */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 3)}, /* Sierra Wireless EM7700 Modem */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 0)}, /* Sierra Wireless EM7355 Device Management */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 2)}, /* Sierra Wireless EM7355 NMEA */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 3)}, /* Sierra Wireless EM7355 Modem */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 0)}, /* Sierra Wireless MC7305/MC7355 Device Management */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 2)}, /* Sierra Wireless MC7305/MC7355 NMEA */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 3)}, /* Sierra Wireless MC7305/MC7355 Modem */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 0)}, /* Netgear AirCard 340U Device Management */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 2)}, /* Netgear AirCard 340U NMEA */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 3)}, /* Netgear AirCard 340U Modem */
- {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a2, 0)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card Device Management */
- {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a2, 2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card NMEA */
- {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a2, 3)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card Modem */
- {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a3, 0)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card Device Management */
- {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a3, 2)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card NMEA */
- {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a3, 3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card Modem */
- {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a4, 0)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card Device Management */
- {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a4, 2)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card NMEA */
- {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a4, 3)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card Modem */
- {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a8, 0)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card Device Management */
- {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a8, 2)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card NMEA */
- {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a8, 3)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card Modem */
- {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a9, 0)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card Device Management */
- {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a9, 2)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card NMEA */
- {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a9, 3)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card Modem */
+ /* non-Gobi Sierra Wireless devices */
+ {DEVICE_SWI(0x0f3d, 0x68a2)}, /* Sierra Wireless MC7700 */
+ {DEVICE_SWI(0x114f, 0x68a2)}, /* Sierra Wireless MC7750 */
+ {DEVICE_SWI(0x1199, 0x68a2)}, /* Sierra Wireless MC7710 */
+ {DEVICE_SWI(0x1199, 0x68c0)}, /* Sierra Wireless MC73xx */
+ {DEVICE_SWI(0x1199, 0x901c)}, /* Sierra Wireless EM7700 */
+ {DEVICE_SWI(0x1199, 0x901f)}, /* Sierra Wireless EM7355 */
+ {DEVICE_SWI(0x1199, 0x9040)}, /* Sierra Wireless Modem */
+ {DEVICE_SWI(0x1199, 0x9041)}, /* Sierra Wireless MC7305/MC7355 */
+ {DEVICE_SWI(0x1199, 0x9051)}, /* Netgear AirCard 340U */
+ {DEVICE_SWI(0x1199, 0x9053)}, /* Sierra Wireless Modem */
+ {DEVICE_SWI(0x1199, 0x9054)}, /* Sierra Wireless Modem */
+ {DEVICE_SWI(0x1199, 0x9055)}, /* Netgear AirCard 341U */
+ {DEVICE_SWI(0x1199, 0x9056)}, /* Sierra Wireless Modem */
+ {DEVICE_SWI(0x1199, 0x9060)}, /* Sierra Wireless Modem */
+ {DEVICE_SWI(0x1199, 0x9061)}, /* Sierra Wireless Modem */
+ {DEVICE_SWI(0x413c, 0x81a2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
+ {DEVICE_SWI(0x413c, 0x81a3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
+ {DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
+ {DEVICE_SWI(0x413c, 0x81a8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */
+ {DEVICE_SWI(0x413c, 0x81a9)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */
{ } /* Terminating entry */
};
@@ -178,11 +168,8 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
int retval = -ENODEV;
__u8 nintf;
__u8 ifnum;
- bool is_gobi1k = id->driver_info ? true : false;
int altsetting = -1;
- dev_dbg(dev, "Is Gobi 1000 = %d\n", is_gobi1k);
-
nintf = serial->dev->actconfig->desc.bNumInterfaces;
dev_dbg(dev, "Num Interfaces = %d\n", nintf);
ifnum = intf->desc.bInterfaceNumber;
@@ -210,32 +197,29 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
}
- /* allow any number of interfaces when doing direct interface match */
- if (id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER) {
- dev_dbg(dev, "Generic Qualcomm serial interface found\n");
- altsetting = 0;
- goto done;
- }
-
- if (nintf < 3 || nintf > 4) {
- dev_err(dev, "unknown number of interfaces: %d\n", nintf);
- goto done;
- }
-
/* default to enabling interface */
altsetting = 0;
- /* Composite mode; don't bind to the QMI/net interface as that
+ /*
+ * Composite mode; don't bind to the QMI/net interface as that
* gets handled by other drivers.
*/
- if (is_gobi1k) {
- /* Gobi 1K USB layout:
+ switch (id->driver_info) {
+ case QCSERIAL_G1K:
+ /*
+ * Gobi 1K USB layout:
* 0: DM/DIAG (use libqcdm from ModemManager for communication)
* 1: serial port (doesn't respond)
* 2: AT-capable modem port
* 3: QMI/net
*/
+ if (nintf < 3 || nintf > 4) {
+ dev_err(dev, "unknown number of interfaces: %d\n", nintf);
+ altsetting = -1;
+ goto done;
+ }
+
if (ifnum == 0) {
dev_dbg(dev, "Gobi 1K DM/DIAG interface found\n");
altsetting = 1;
@@ -243,13 +227,21 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
dev_dbg(dev, "Modem port found\n");
else
altsetting = -1;
- } else {
- /* Gobi 2K+ USB layout:
+ break;
+ case QCSERIAL_G2K:
+ /*
+ * Gobi 2K+ USB layout:
* 0: QMI/net
* 1: DM/DIAG (use libqcdm from ModemManager for communication)
* 2: AT-capable modem port
* 3: NMEA
*/
+ if (nintf < 3 || nintf > 4) {
+ dev_err(dev, "unknown number of interfaces: %d\n", nintf);
+ altsetting = -1;
+ goto done;
+ }
+
switch (ifnum) {
case 0:
/* Don't claim the QMI/net interface */
@@ -270,6 +262,35 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n");
break;
}
+ break;
+ case QCSERIAL_SWI:
+ /*
+ * Sierra Wireless layout:
+ * 0: DM/DIAG (use libqcdm from ModemManager for communication)
+ * 2: NMEA
+ * 3: AT-capable modem port
+ * 8: QMI/net
+ */
+ switch (ifnum) {
+ case 0:
+ dev_dbg(dev, "DM/DIAG interface found\n");
+ break;
+ case 2:
+ dev_dbg(dev, "NMEA GPS interface found\n");
+ break;
+ case 3:
+ dev_dbg(dev, "Modem port found\n");
+ break;
+ default:
+ /* don't claim any unsupported interface */
+ altsetting = -1;
+ break;
+ }
+ break;
+ default:
+ dev_err(dev, "unsupported device layout type: %lu\n",
+ id->driver_info);
+ break;
}
done:
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index 6b192e602ce0..6f7f01eb556a 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -58,6 +58,7 @@ struct sierra_intf_private {
spinlock_t susp_lock;
unsigned int suspended:1;
int in_flight;
+ unsigned int open_ports;
};
static int sierra_set_power_state(struct usb_device *udev, __u16 swiState)
@@ -315,7 +316,6 @@ struct sierra_port_private {
int dsr_state;
int dcd_state;
int ri_state;
- unsigned int opened:1;
};
static int sierra_send_setup(struct usb_serial_port *port)
@@ -364,20 +364,13 @@ static int sierra_send_setup(struct usb_serial_port *port)
if (retval < 0)
return retval;
- retval = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+ retval = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
0x22, 0x21, val, interface, NULL, 0, USB_CTRL_SET_TIMEOUT);
usb_autopm_put_interface(serial->interface);
return retval;
}
-static void sierra_set_termios(struct tty_struct *tty,
- struct usb_serial_port *port, struct ktermios *old_termios)
-{
- tty_termios_copy_hw(&tty->termios, old_termios);
- sierra_send_setup(port);
-}
-
static int sierra_tiocmget(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
@@ -418,9 +411,7 @@ static int sierra_tiocmset(struct tty_struct *tty,
static void sierra_release_urb(struct urb *urb)
{
- struct usb_serial_port *port;
if (urb) {
- port = urb->context;
kfree(urb->transfer_buffer);
usb_free_urb(urb);
}
@@ -433,7 +424,7 @@ static void sierra_outdat_callback(struct urb *urb)
struct sierra_intf_private *intfdata;
int status = urb->status;
- intfdata = port->serial->private;
+ intfdata = usb_get_serial_data(port->serial);
/* free up the transfer buffer, as usb_free_urb() does not do this */
kfree(urb->transfer_buffer);
@@ -470,7 +461,7 @@ static int sierra_write(struct tty_struct *tty, struct usb_serial_port *port,
return 0;
portdata = usb_get_serial_port_data(port);
- intfdata = serial->private;
+ intfdata = usb_get_serial_data(serial);
dev_dbg(&port->dev, "%s: write (%zd bytes)\n", __func__, writesize);
spin_lock_irqsave(&portdata->lock, flags);
@@ -674,6 +665,23 @@ static int sierra_write_room(struct tty_struct *tty)
return 2048;
}
+static int sierra_chars_in_buffer(struct tty_struct *tty)
+{
+ struct usb_serial_port *port = tty->driver_data;
+ struct sierra_port_private *portdata = usb_get_serial_port_data(port);
+ unsigned long flags;
+ int chars;
+
+ /* NOTE: This overcounts somewhat. */
+ spin_lock_irqsave(&portdata->lock, flags);
+ chars = portdata->outstanding_urbs * MAX_TRANSFER;
+ spin_unlock_irqrestore(&portdata->lock, flags);
+
+ dev_dbg(&port->dev, "%s - %d\n", __func__, chars);
+
+ return chars;
+}
+
static void sierra_stop_rx_urbs(struct usb_serial_port *port)
{
int i;
@@ -729,9 +737,6 @@ static struct urb *sierra_setup_urb(struct usb_serial *serial, int endpoint,
struct urb *urb;
u8 *buf;
- if (endpoint == -1)
- return NULL;
-
urb = usb_alloc_urb(0, mem_flags);
if (!urb)
return NULL;
@@ -758,40 +763,48 @@ static void sierra_close(struct usb_serial_port *port)
int i;
struct usb_serial *serial = port->serial;
struct sierra_port_private *portdata;
- struct sierra_intf_private *intfdata = port->serial->private;
+ struct sierra_intf_private *intfdata = usb_get_serial_data(serial);
+ struct urb *urb;
portdata = usb_get_serial_port_data(port);
- portdata->rts_state = 0;
- portdata->dtr_state = 0;
-
- mutex_lock(&serial->disc_mutex);
- if (!serial->disconnected) {
+ /*
+ * Need to take susp_lock to make sure port is not already being
+ * resumed, but no need to hold it due to ASYNC_INITIALIZED.
+ */
+ spin_lock_irq(&intfdata->susp_lock);
+ if (--intfdata->open_ports == 0)
serial->interface->needs_remote_wakeup = 0;
- /* odd error handling due to pm counters */
- if (!usb_autopm_get_interface(serial->interface))
- sierra_send_setup(port);
- else
- usb_autopm_get_interface_no_resume(serial->interface);
+ spin_unlock_irq(&intfdata->susp_lock);
+ for (;;) {
+ urb = usb_get_from_anchor(&portdata->delayed);
+ if (!urb)
+ break;
+ kfree(urb->transfer_buffer);
+ usb_free_urb(urb);
+ usb_autopm_put_interface_async(serial->interface);
+ spin_lock(&portdata->lock);
+ portdata->outstanding_urbs--;
+ spin_unlock(&portdata->lock);
}
- mutex_unlock(&serial->disc_mutex);
- spin_lock_irq(&intfdata->susp_lock);
- portdata->opened = 0;
- spin_unlock_irq(&intfdata->susp_lock);
sierra_stop_rx_urbs(port);
+ usb_kill_anchored_urbs(&portdata->active);
+
for (i = 0; i < portdata->num_in_urbs; i++) {
sierra_release_urb(portdata->in_urbs[i]);
portdata->in_urbs[i] = NULL;
}
+
+ usb_autopm_get_interface_no_resume(serial->interface);
}
static int sierra_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct sierra_port_private *portdata;
struct usb_serial *serial = port->serial;
- struct sierra_intf_private *intfdata = serial->private;
+ struct sierra_intf_private *intfdata = usb_get_serial_data(serial);
int i;
int err;
int endpoint;
@@ -799,11 +812,6 @@ static int sierra_open(struct tty_struct *tty, struct usb_serial_port *port)
portdata = usb_get_serial_port_data(port);
- /* Set some sane defaults */
- portdata->rts_state = 1;
- portdata->dtr_state = 1;
-
-
endpoint = port->bulk_in_endpointAddress;
for (i = 0; i < portdata->num_in_urbs; i++) {
urb = sierra_setup_urb(serial, endpoint, USB_DIR_IN, port,
@@ -816,23 +824,26 @@ static int sierra_open(struct tty_struct *tty, struct usb_serial_port *port)
usb_sndbulkpipe(serial->dev, endpoint) | USB_DIR_IN);
err = sierra_submit_rx_urbs(port, GFP_KERNEL);
- if (err) {
- /* get rid of everything as in close */
- sierra_close(port);
- /* restore balance for autopm */
- if (!serial->disconnected)
- usb_autopm_put_interface(serial->interface);
- return err;
- }
- sierra_send_setup(port);
+ if (err)
+ goto err_submit;
- serial->interface->needs_remote_wakeup = 1;
spin_lock_irq(&intfdata->susp_lock);
- portdata->opened = 1;
+ if (++intfdata->open_ports == 1)
+ serial->interface->needs_remote_wakeup = 1;
spin_unlock_irq(&intfdata->susp_lock);
usb_autopm_put_interface(serial->interface);
return 0;
+
+err_submit:
+ sierra_stop_rx_urbs(port);
+
+ for (i = 0; i < portdata->num_in_urbs; i++) {
+ sierra_release_urb(portdata->in_urbs[i]);
+ portdata->in_urbs[i] = NULL;
+ }
+
+ return err;
}
@@ -928,6 +939,7 @@ static int sierra_port_remove(struct usb_serial_port *port)
struct sierra_port_private *portdata;
portdata = usb_get_serial_port_data(port);
+ usb_set_serial_port_data(port, NULL);
kfree(portdata);
return 0;
@@ -944,6 +956,8 @@ static void stop_read_write_urbs(struct usb_serial *serial)
for (i = 0; i < serial->num_ports; ++i) {
port = serial->port[i];
portdata = usb_get_serial_port_data(port);
+ if (!portdata)
+ continue;
sierra_stop_rx_urbs(port);
usb_kill_anchored_urbs(&portdata->active);
}
@@ -951,58 +965,84 @@ static void stop_read_write_urbs(struct usb_serial *serial)
static int sierra_suspend(struct usb_serial *serial, pm_message_t message)
{
- struct sierra_intf_private *intfdata;
- int b;
+ struct sierra_intf_private *intfdata = usb_get_serial_data(serial);
+ spin_lock_irq(&intfdata->susp_lock);
if (PMSG_IS_AUTO(message)) {
- intfdata = serial->private;
- spin_lock_irq(&intfdata->susp_lock);
- b = intfdata->in_flight;
-
- if (b) {
+ if (intfdata->in_flight) {
spin_unlock_irq(&intfdata->susp_lock);
return -EBUSY;
- } else {
- intfdata->suspended = 1;
- spin_unlock_irq(&intfdata->susp_lock);
}
}
+ intfdata->suspended = 1;
+ spin_unlock_irq(&intfdata->susp_lock);
+
stop_read_write_urbs(serial);
return 0;
}
+/* Caller must hold susp_lock. */
+static int sierra_submit_delayed_urbs(struct usb_serial_port *port)
+{
+ struct sierra_port_private *portdata = usb_get_serial_port_data(port);
+ struct sierra_intf_private *intfdata;
+ struct urb *urb;
+ int ec = 0;
+ int err;
+
+ intfdata = usb_get_serial_data(port->serial);
+
+ for (;;) {
+ urb = usb_get_from_anchor(&portdata->delayed);
+ if (!urb)
+ break;
+
+ usb_anchor_urb(urb, &portdata->active);
+ intfdata->in_flight++;
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err) {
+ dev_err(&port->dev, "%s - submit urb failed: %d",
+ __func__, err);
+ ec++;
+ intfdata->in_flight--;
+ usb_unanchor_urb(urb);
+ kfree(urb->transfer_buffer);
+ usb_free_urb(urb);
+
+ spin_lock(&portdata->lock);
+ portdata->outstanding_urbs--;
+ spin_unlock(&portdata->lock);
+ }
+ }
+
+ if (ec)
+ return -EIO;
+
+ return 0;
+}
+
static int sierra_resume(struct usb_serial *serial)
{
struct usb_serial_port *port;
- struct sierra_intf_private *intfdata = serial->private;
- struct sierra_port_private *portdata;
- struct urb *urb;
+ struct sierra_intf_private *intfdata = usb_get_serial_data(serial);
int ec = 0;
int i, err;
spin_lock_irq(&intfdata->susp_lock);
for (i = 0; i < serial->num_ports; i++) {
port = serial->port[i];
- portdata = usb_get_serial_port_data(port);
- while ((urb = usb_get_from_anchor(&portdata->delayed))) {
- usb_anchor_urb(urb, &portdata->active);
- intfdata->in_flight++;
- err = usb_submit_urb(urb, GFP_ATOMIC);
- if (err < 0) {
- intfdata->in_flight--;
- usb_unanchor_urb(urb);
- usb_scuttle_anchored_urbs(&portdata->delayed);
- break;
- }
- }
+ if (!test_bit(ASYNCB_INITIALIZED, &port->port.flags))
+ continue;
- if (portdata->opened) {
- err = sierra_submit_rx_urbs(port, GFP_ATOMIC);
- if (err)
- ec++;
- }
+ err = sierra_submit_delayed_urbs(port);
+ if (err)
+ ec++;
+
+ err = sierra_submit_rx_urbs(port, GFP_ATOMIC);
+ if (err)
+ ec++;
}
intfdata->suspended = 0;
spin_unlock_irq(&intfdata->susp_lock);
@@ -1029,7 +1069,7 @@ static struct usb_serial_driver sierra_device = {
.dtr_rts = sierra_dtr_rts,
.write = sierra_write,
.write_room = sierra_write_room,
- .set_termios = sierra_set_termios,
+ .chars_in_buffer = sierra_chars_in_buffer,
.tiocmget = sierra_tiocmget,
.tiocmset = sierra_tiocmset,
.attach = sierra_startup,
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 6d40d56378d7..02de3110fe94 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -1060,6 +1060,7 @@ static void usb_serial_disconnect(struct usb_interface *interface)
struct usb_serial *serial = usb_get_intfdata(interface);
struct device *dev = &interface->dev;
struct usb_serial_port *port;
+ struct tty_struct *tty;
usb_serial_console_disconnect(serial);
@@ -1070,18 +1071,16 @@ static void usb_serial_disconnect(struct usb_interface *interface)
for (i = 0; i < serial->num_ports; ++i) {
port = serial->port[i];
- if (port) {
- struct tty_struct *tty = tty_port_tty_get(&port->port);
- if (tty) {
- tty_vhangup(tty);
- tty_kref_put(tty);
- }
- usb_serial_port_poison_urbs(port);
- wake_up_interruptible(&port->port.delta_msr_wait);
- cancel_work_sync(&port->work);
- if (device_is_registered(&port->dev))
- device_del(&port->dev);
+ tty = tty_port_tty_get(&port->port);
+ if (tty) {
+ tty_vhangup(tty);
+ tty_kref_put(tty);
}
+ usb_serial_port_poison_urbs(port);
+ wake_up_interruptible(&port->port.delta_msr_wait);
+ cancel_work_sync(&port->work);
+ if (device_is_registered(&port->dev))
+ device_del(&port->dev);
}
if (serial->type->disconnect)
serial->type->disconnect(serial);
@@ -1094,7 +1093,6 @@ static void usb_serial_disconnect(struct usb_interface *interface)
int usb_serial_suspend(struct usb_interface *intf, pm_message_t message)
{
struct usb_serial *serial = usb_get_intfdata(intf);
- struct usb_serial_port *port;
int i, r = 0;
serial->suspending = 1;
@@ -1112,12 +1110,8 @@ int usb_serial_suspend(struct usb_interface *intf, pm_message_t message)
}
}
- for (i = 0; i < serial->num_ports; ++i) {
- port = serial->port[i];
- if (port)
- usb_serial_port_poison_urbs(port);
- }
-
+ for (i = 0; i < serial->num_ports; ++i)
+ usb_serial_port_poison_urbs(serial->port[i]);
err_out:
return r;
}
@@ -1125,14 +1119,10 @@ EXPORT_SYMBOL(usb_serial_suspend);
static void usb_serial_unpoison_port_urbs(struct usb_serial *serial)
{
- struct usb_serial_port *port;
int i;
- for (i = 0; i < serial->num_ports; ++i) {
- port = serial->port[i];
- if (port)
- usb_serial_port_unpoison_urbs(port);
- }
+ for (i = 0; i < serial->num_ports; ++i)
+ usb_serial_port_unpoison_urbs(serial->port[i]);
}
int usb_serial_resume(struct usb_interface *intf)
diff --git a/drivers/usb/serial/usb-wwan.h b/drivers/usb/serial/usb-wwan.h
index 684739b8efd0..f22dff58b587 100644
--- a/drivers/usb/serial/usb-wwan.h
+++ b/drivers/usb/serial/usb-wwan.h
@@ -11,15 +11,11 @@ extern void usb_wwan_close(struct usb_serial_port *port);
extern int usb_wwan_port_probe(struct usb_serial_port *port);
extern int usb_wwan_port_remove(struct usb_serial_port *port);
extern int usb_wwan_write_room(struct tty_struct *tty);
-extern void usb_wwan_set_termios(struct tty_struct *tty,
- struct usb_serial_port *port,
- struct ktermios *old);
extern int usb_wwan_tiocmget(struct tty_struct *tty);
extern int usb_wwan_tiocmset(struct tty_struct *tty,
unsigned int set, unsigned int clear);
extern int usb_wwan_ioctl(struct tty_struct *tty,
unsigned int cmd, unsigned long arg);
-extern int usb_wwan_send_setup(struct usb_serial_port *port);
extern int usb_wwan_write(struct tty_struct *tty, struct usb_serial_port *port,
const unsigned char *buf, int count);
extern int usb_wwan_chars_in_buffer(struct tty_struct *tty);
@@ -39,6 +35,7 @@ struct usb_wwan_intf_private {
spinlock_t susp_lock;
unsigned int suspended:1;
int in_flight;
+ unsigned int open_ports;
int (*send_setup) (struct usb_serial_port *port);
void *private;
};
@@ -51,7 +48,6 @@ struct usb_wwan_port_private {
struct urb *out_urbs[N_OUT_URB];
u8 *out_buffer[N_OUT_URB];
unsigned long out_busy; /* Bit vector of URBs in use */
- int opened;
struct usb_anchor delayed;
/* Settings for the port */
diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index b078440e822f..2f805cb386a5 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -41,7 +41,7 @@ void usb_wwan_dtr_rts(struct usb_serial_port *port, int on)
struct usb_wwan_port_private *portdata;
struct usb_wwan_intf_private *intfdata;
- intfdata = port->serial->private;
+ intfdata = usb_get_serial_data(port->serial);
if (!intfdata->send_setup)
return;
@@ -55,20 +55,6 @@ void usb_wwan_dtr_rts(struct usb_serial_port *port, int on)
}
EXPORT_SYMBOL(usb_wwan_dtr_rts);
-void usb_wwan_set_termios(struct tty_struct *tty,
- struct usb_serial_port *port,
- struct ktermios *old_termios)
-{
- struct usb_wwan_intf_private *intfdata = port->serial->private;
-
- /* Doesn't support option setting */
- tty_termios_copy_hw(&tty->termios, old_termios);
-
- if (intfdata->send_setup)
- intfdata->send_setup(port);
-}
-EXPORT_SYMBOL(usb_wwan_set_termios);
-
int usb_wwan_tiocmget(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
@@ -96,7 +82,7 @@ int usb_wwan_tiocmset(struct tty_struct *tty,
struct usb_wwan_intf_private *intfdata;
portdata = usb_get_serial_port_data(port);
- intfdata = port->serial->private;
+ intfdata = usb_get_serial_data(port->serial);
if (!intfdata->send_setup)
return -EINVAL;
@@ -192,7 +178,6 @@ int usb_wwan_ioctl(struct tty_struct *tty,
}
EXPORT_SYMBOL(usb_wwan_ioctl);
-/* Write */
int usb_wwan_write(struct tty_struct *tty, struct usb_serial_port *port,
const unsigned char *buf, int count)
{
@@ -205,7 +190,7 @@ int usb_wwan_write(struct tty_struct *tty, struct usb_serial_port *port,
unsigned long flags;
portdata = usb_get_serial_port_data(port);
- intfdata = port->serial->private;
+ intfdata = usb_get_serial_data(port->serial);
dev_dbg(&port->dev, "%s: write (%d chars)\n", __func__, count);
@@ -228,8 +213,10 @@ int usb_wwan_write(struct tty_struct *tty, struct usb_serial_port *port,
usb_pipeendpoint(this_urb->pipe), i);
err = usb_autopm_get_interface_async(port->serial->interface);
- if (err < 0)
+ if (err < 0) {
+ clear_bit(i, &portdata->out_busy);
break;
+ }
/* send the data */
memcpy(this_urb->transfer_buffer, buf, todo);
@@ -244,9 +231,9 @@ int usb_wwan_write(struct tty_struct *tty, struct usb_serial_port *port,
spin_unlock_irqrestore(&intfdata->susp_lock, flags);
err = usb_submit_urb(this_urb, GFP_ATOMIC);
if (err) {
- dev_dbg(&port->dev,
- "usb_submit_urb %p (write bulk) failed (%d)\n",
- this_urb, err);
+ dev_err(&port->dev,
+ "%s: submit urb %d failed: %d\n",
+ __func__, i, err);
clear_bit(i, &portdata->out_busy);
spin_lock_irqsave(&intfdata->susp_lock, flags);
intfdata->in_flight--;
@@ -314,7 +301,7 @@ static void usb_wwan_outdat_callback(struct urb *urb)
int i;
port = urb->context;
- intfdata = port->serial->private;
+ intfdata = usb_get_serial_data(port->serial);
usb_serial_port_softint(port);
usb_autopm_put_interface_async(port->serial->interface);
@@ -325,7 +312,7 @@ static void usb_wwan_outdat_callback(struct urb *urb)
for (i = 0; i < N_OUT_URB; ++i) {
if (portdata->out_urbs[i] == urb) {
- smp_mb__before_clear_bit();
+ smp_mb__before_atomic();
clear_bit(i, &portdata->out_busy);
break;
}
@@ -384,7 +371,15 @@ int usb_wwan_open(struct tty_struct *tty, struct usb_serial_port *port)
struct urb *urb;
portdata = usb_get_serial_port_data(port);
- intfdata = serial->private;
+ intfdata = usb_get_serial_data(serial);
+
+ if (port->interrupt_in_urb) {
+ err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
+ if (err) {
+ dev_err(&port->dev, "%s: submit int urb failed: %d\n",
+ __func__, err);
+ }
+ }
/* Start reading from the IN endpoint */
for (i = 0; i < N_IN_URB; i++) {
@@ -393,17 +388,15 @@ int usb_wwan_open(struct tty_struct *tty, struct usb_serial_port *port)
continue;
err = usb_submit_urb(urb, GFP_KERNEL);
if (err) {
- dev_dbg(&port->dev, "%s: submit urb %d failed (%d) %d\n",
- __func__, i, err, urb->transfer_buffer_length);
+ dev_err(&port->dev,
+ "%s: submit read urb %d failed: %d\n",
+ __func__, i, err);
}
}
- if (intfdata->send_setup)
- intfdata->send_setup(port);
-
- serial->interface->needs_remote_wakeup = 1;
spin_lock_irq(&intfdata->susp_lock);
- portdata->opened = 1;
+ if (++intfdata->open_ports == 1)
+ serial->interface->needs_remote_wakeup = 1;
spin_unlock_irq(&intfdata->susp_lock);
/* this balances a get in the generic USB serial code */
usb_autopm_put_interface(serial->interface);
@@ -412,32 +405,56 @@ int usb_wwan_open(struct tty_struct *tty, struct usb_serial_port *port)
}
EXPORT_SYMBOL(usb_wwan_open);
+static void unbusy_queued_urb(struct urb *urb,
+ struct usb_wwan_port_private *portdata)
+{
+ int i;
+
+ for (i = 0; i < N_OUT_URB; i++) {
+ if (urb == portdata->out_urbs[i]) {
+ clear_bit(i, &portdata->out_busy);
+ break;
+ }
+ }
+}
+
void usb_wwan_close(struct usb_serial_port *port)
{
int i;
struct usb_serial *serial = port->serial;
struct usb_wwan_port_private *portdata;
- struct usb_wwan_intf_private *intfdata = port->serial->private;
+ struct usb_wwan_intf_private *intfdata = usb_get_serial_data(serial);
+ struct urb *urb;
portdata = usb_get_serial_port_data(port);
- /* Stop reading/writing urbs */
+ /*
+ * Need to take susp_lock to make sure port is not already being
+ * resumed, but no need to hold it due to ASYNC_INITIALIZED.
+ */
spin_lock_irq(&intfdata->susp_lock);
- portdata->opened = 0;
+ if (--intfdata->open_ports == 0)
+ serial->interface->needs_remote_wakeup = 0;
spin_unlock_irq(&intfdata->susp_lock);
+ for (;;) {
+ urb = usb_get_from_anchor(&portdata->delayed);
+ if (!urb)
+ break;
+ unbusy_queued_urb(urb, portdata);
+ usb_autopm_put_interface_async(serial->interface);
+ }
+
for (i = 0; i < N_IN_URB; i++)
usb_kill_urb(portdata->in_urbs[i]);
for (i = 0; i < N_OUT_URB; i++)
usb_kill_urb(portdata->out_urbs[i]);
+ usb_kill_urb(port->interrupt_in_urb);
- /* balancing - important as an error cannot be handled*/
usb_autopm_get_interface_no_resume(serial->interface);
- serial->interface->needs_remote_wakeup = 0;
}
EXPORT_SYMBOL(usb_wwan_close);
-/* Helper functions used by usb_wwan_setup_urbs */
static struct urb *usb_wwan_setup_urb(struct usb_serial_port *port,
int endpoint,
int dir, void *ctx, char *buf, int len,
@@ -450,7 +467,6 @@ static struct urb *usb_wwan_setup_urb(struct usb_serial_port *port,
if (!urb)
return NULL;
- /* Fill URB using supplied data. */
usb_fill_bulk_urb(urb, serial->dev,
usb_sndbulkpipe(serial->dev, endpoint) | dir,
buf, len, callback, ctx);
@@ -463,7 +479,6 @@ int usb_wwan_port_probe(struct usb_serial_port *port)
struct usb_wwan_port_private *portdata;
struct urb *urb;
u8 *buffer;
- int err;
int i;
if (!port->bulk_in_size || !port->bulk_out_size)
@@ -503,13 +518,6 @@ int usb_wwan_port_probe(struct usb_serial_port *port)
usb_set_serial_port_data(port, portdata);
- if (port->interrupt_in_urb) {
- err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
- if (err)
- dev_dbg(&port->dev, "%s: submit irq_in urb failed %d\n",
- __func__, err);
- }
-
return 0;
bail_out_error2:
@@ -536,32 +544,28 @@ int usb_wwan_port_remove(struct usb_serial_port *port)
portdata = usb_get_serial_port_data(port);
usb_set_serial_port_data(port, NULL);
- /* Stop reading/writing urbs and free them */
for (i = 0; i < N_IN_URB; i++) {
- usb_kill_urb(portdata->in_urbs[i]);
usb_free_urb(portdata->in_urbs[i]);
free_page((unsigned long)portdata->in_buffer[i]);
}
for (i = 0; i < N_OUT_URB; i++) {
- usb_kill_urb(portdata->out_urbs[i]);
usb_free_urb(portdata->out_urbs[i]);
kfree(portdata->out_buffer[i]);
}
- /* Now free port private data */
kfree(portdata);
+
return 0;
}
EXPORT_SYMBOL(usb_wwan_port_remove);
#ifdef CONFIG_PM
-static void stop_read_write_urbs(struct usb_serial *serial)
+static void stop_urbs(struct usb_serial *serial)
{
int i, j;
struct usb_serial_port *port;
struct usb_wwan_port_private *portdata;
- /* Stop reading/writing urbs */
for (i = 0; i < serial->num_ports; ++i) {
port = serial->port[i];
portdata = usb_get_serial_port_data(port);
@@ -571,123 +575,117 @@ static void stop_read_write_urbs(struct usb_serial *serial)
usb_kill_urb(portdata->in_urbs[j]);
for (j = 0; j < N_OUT_URB; j++)
usb_kill_urb(portdata->out_urbs[j]);
+ usb_kill_urb(port->interrupt_in_urb);
}
}
int usb_wwan_suspend(struct usb_serial *serial, pm_message_t message)
{
- struct usb_wwan_intf_private *intfdata = serial->private;
- int b;
+ struct usb_wwan_intf_private *intfdata = usb_get_serial_data(serial);
+ spin_lock_irq(&intfdata->susp_lock);
if (PMSG_IS_AUTO(message)) {
- spin_lock_irq(&intfdata->susp_lock);
- b = intfdata->in_flight;
- spin_unlock_irq(&intfdata->susp_lock);
-
- if (b)
+ if (intfdata->in_flight) {
+ spin_unlock_irq(&intfdata->susp_lock);
return -EBUSY;
+ }
}
-
- spin_lock_irq(&intfdata->susp_lock);
intfdata->suspended = 1;
spin_unlock_irq(&intfdata->susp_lock);
- stop_read_write_urbs(serial);
+
+ stop_urbs(serial);
return 0;
}
EXPORT_SYMBOL(usb_wwan_suspend);
-static void unbusy_queued_urb(struct urb *urb, struct usb_wwan_port_private *portdata)
+/* Caller must hold susp_lock. */
+static int usb_wwan_submit_delayed_urbs(struct usb_serial_port *port)
{
- int i;
-
- for (i = 0; i < N_OUT_URB; i++) {
- if (urb == portdata->out_urbs[i]) {
- clear_bit(i, &portdata->out_busy);
- break;
- }
- }
-}
-
-static void play_delayed(struct usb_serial_port *port)
-{
- struct usb_wwan_intf_private *data;
+ struct usb_serial *serial = port->serial;
+ struct usb_wwan_intf_private *data = usb_get_serial_data(serial);
struct usb_wwan_port_private *portdata;
struct urb *urb;
+ int err_count = 0;
int err;
portdata = usb_get_serial_port_data(port);
- data = port->serial->private;
- while ((urb = usb_get_from_anchor(&portdata->delayed))) {
- err = usb_submit_urb(urb, GFP_ATOMIC);
- if (!err) {
- data->in_flight++;
- } else {
- /* we have to throw away the rest */
- do {
- unbusy_queued_urb(urb, portdata);
- usb_autopm_put_interface_no_suspend(port->serial->interface);
- } while ((urb = usb_get_from_anchor(&portdata->delayed)));
+
+ for (;;) {
+ urb = usb_get_from_anchor(&portdata->delayed);
+ if (!urb)
break;
+
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err) {
+ dev_err(&port->dev, "%s: submit urb failed: %d\n",
+ __func__, err);
+ err_count++;
+ unbusy_queued_urb(urb, portdata);
+ usb_autopm_put_interface_async(serial->interface);
+ continue;
}
+ data->in_flight++;
}
+
+ if (err_count)
+ return -EIO;
+
+ return 0;
}
int usb_wwan_resume(struct usb_serial *serial)
{
int i, j;
struct usb_serial_port *port;
- struct usb_wwan_intf_private *intfdata = serial->private;
+ struct usb_wwan_intf_private *intfdata = usb_get_serial_data(serial);
struct usb_wwan_port_private *portdata;
struct urb *urb;
- int err = 0;
+ int err;
+ int err_count = 0;
- /* get the interrupt URBs resubmitted unconditionally */
+ spin_lock_irq(&intfdata->susp_lock);
for (i = 0; i < serial->num_ports; i++) {
port = serial->port[i];
- if (!port->interrupt_in_urb) {
- dev_dbg(&port->dev, "%s: No interrupt URB for port\n", __func__);
+
+ if (!test_bit(ASYNCB_INITIALIZED, &port->port.flags))
continue;
- }
- err = usb_submit_urb(port->interrupt_in_urb, GFP_NOIO);
- dev_dbg(&port->dev, "Submitted interrupt URB for port (result %d)\n", err);
- if (err < 0) {
- dev_err(&port->dev, "%s: Error %d for interrupt URB\n",
- __func__, err);
- goto err_out;
- }
- }
- for (i = 0; i < serial->num_ports; i++) {
- /* walk all ports */
- port = serial->port[i];
portdata = usb_get_serial_port_data(port);
- /* skip closed ports */
- spin_lock_irq(&intfdata->susp_lock);
- if (!portdata || !portdata->opened) {
- spin_unlock_irq(&intfdata->susp_lock);
- continue;
+ if (port->interrupt_in_urb) {
+ err = usb_submit_urb(port->interrupt_in_urb,
+ GFP_ATOMIC);
+ if (err) {
+ dev_err(&port->dev,
+ "%s: submit int urb failed: %d\n",
+ __func__, err);
+ err_count++;
+ }
}
+ err = usb_wwan_submit_delayed_urbs(port);
+ if (err)
+ err_count++;
+
for (j = 0; j < N_IN_URB; j++) {
urb = portdata->in_urbs[j];
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err < 0) {
- dev_err(&port->dev, "%s: Error %d for bulk URB %d\n",
- __func__, err, i);
- spin_unlock_irq(&intfdata->susp_lock);
- goto err_out;
+ dev_err(&port->dev,
+ "%s: submit read urb %d failed: %d\n",
+ __func__, i, err);
+ err_count++;
}
}
- play_delayed(port);
- spin_unlock_irq(&intfdata->susp_lock);
}
- spin_lock_irq(&intfdata->susp_lock);
intfdata->suspended = 0;
spin_unlock_irq(&intfdata->susp_lock);
-err_out:
- return err;
+
+ if (err_count)
+ return -EIO;
+
+ return 0;
}
EXPORT_SYMBOL(usb_wwan_resume);
#endif
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-27 01:19:56 +0300