diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb-v2/dvb_usb_urb.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb-v2/dvb_usb_urb.c | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/drivers/media/dvb/dvb-usb-v2/dvb_usb_urb.c b/drivers/media/dvb/dvb-usb-v2/dvb_usb_urb.c deleted file mode 100644 index 0431beed0ef4..000000000000 --- a/drivers/media/dvb/dvb-usb-v2/dvb_usb_urb.c +++ /dev/null @@ -1,77 +0,0 @@ -/* - * DVB USB framework - * - * Copyright (C) 2004-6 Patrick Boettcher <patrick.boettcher@desy.de> - * Copyright (C) 2012 Antti Palosaari <crope@iki.fi> - * - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "dvb_usb_common.h" - -int dvb_usbv2_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf, - u16 rlen) -{ - int ret, actual_length; - - if (!d || !wbuf || !wlen || !d->props->generic_bulk_ctrl_endpoint || - !d->props->generic_bulk_ctrl_endpoint_response) { - dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, -EINVAL); - return -EINVAL; - } - - ret = mutex_lock_interruptible(&d->usb_mutex); - if (ret < 0) - return ret; - - dev_dbg(&d->udev->dev, "%s: >>> %*ph\n", __func__, wlen, wbuf); - - ret = usb_bulk_msg(d->udev, usb_sndbulkpipe(d->udev, - d->props->generic_bulk_ctrl_endpoint), wbuf, wlen, - &actual_length, 2000); - if (ret < 0) - dev_err(&d->udev->dev, "%s: usb_bulk_msg() failed=%d\n", - KBUILD_MODNAME, ret); - else - ret = actual_length != wlen ? -EIO : 0; - - /* an answer is expected, and no error before */ - if (!ret && rbuf && rlen) { - if (d->props->generic_bulk_ctrl_delay) - usleep_range(d->props->generic_bulk_ctrl_delay, - d->props->generic_bulk_ctrl_delay - + 20000); - - ret = usb_bulk_msg(d->udev, usb_rcvbulkpipe(d->udev, - d->props->generic_bulk_ctrl_endpoint_response), - rbuf, rlen, &actual_length, 2000); - if (ret) - dev_err(&d->udev->dev, "%s: 2nd usb_bulk_msg() " \ - "failed=%d\n", KBUILD_MODNAME, ret); - - dev_dbg(&d->udev->dev, "%s: <<< %*ph\n", __func__, - actual_length, rbuf); - } - - mutex_unlock(&d->usb_mutex); - return ret; -} -EXPORT_SYMBOL(dvb_usbv2_generic_rw); - -int dvb_usbv2_generic_write(struct dvb_usb_device *d, u8 *buf, u16 len) -{ - return dvb_usbv2_generic_rw(d, buf, len, NULL, 0); -} -EXPORT_SYMBOL(dvb_usbv2_generic_write); |