[media] dvb-usb: move it to drivers/media/usb/dvb-usb

As media/dvb will be removed, move it to a proper place.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 77 insertions, 0 deletions

diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c b/drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c
new file mode 100644
index 000000000000..0431beed0ef4
--- /dev/null
+++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c
@@ -0,0 +1,77 @@
+/*
+ * 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);