diff options
Diffstat (limited to 'drivers/usb/gadget/udc/gr_udc.c')
| -rw-r--r-- | drivers/usb/gadget/udc/gr_udc.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/usb/gadget/udc/gr_udc.c b/drivers/usb/gadget/udc/gr_udc.c index 1f9941145746..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 @@ -1261,7 +1257,7 @@ static int gr_handle_in_ep(struct gr_ep *ep) if (!req->last_desc) return 0; - if (ACCESS_ONCE(req->last_desc->ctrl) & GR_DESC_IN_CTRL_EN) + if (READ_ONCE(req->last_desc->ctrl) & GR_DESC_IN_CTRL_EN) return 0; /* Not put in hardware buffers yet */ if (gr_read32(&ep->regs->epstat) & (GR_EPSTAT_B1 | GR_EPSTAT_B0)) @@ -1290,7 +1286,7 @@ static int gr_handle_out_ep(struct gr_ep *ep) if (!req->curr_desc) return 0; - ctrl = ACCESS_ONCE(req->curr_desc->ctrl); + ctrl = READ_ONCE(req->curr_desc->ctrl); if (ctrl & GR_DESC_OUT_CTRL_EN) return 0; /* Not received yet */ @@ -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)) { |