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authorMauro Carvalho Chehab <mchehab@redhat.com>2013-04-30 09:01:04 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-04-30 09:01:04 -0300
commitdf90e2258950fd631cdbf322c1ee1f22068391aa (patch)
tree0b6dd2717c04bb7f93db6abdeda208aeea4cd74e /drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c
parentaad797c89903d570c17f6affc770eb98afd74e62 (diff)
parent02615ed5e1b2283db2495af3cf8f4ee172c77d80 (diff)
downloadvexpress-lsk-df90e2258950fd631cdbf322c1ee1f22068391aa.tar.gz
Merge branch 'devel-for-v3.10' into v4l_for_linus
* patchwork: (831 commits) [media] cx88: make core less verbose [media] em28xx: fix oops at em28xx_dvb_bus_ctrl() [media] s5c73m3: fix indentation of the help section in Kconfig [media] cx25821-alsa: get rid of a __must_check warning [media] cx25821-video: declare cx25821_vidioc_s_std as static [media] cx25821-video: remove maxw from cx25821_vidioc_try_fmt_vid_cap [media] r820t: Remove a warning for an unused value [media] dib0090: Fix a warning at dib0090_set_EFUSE [media] dib8000: fix a warning [media] dib8000: Fix sub-channel range [media] dib8000: store dtv_property_cache in a temp var [media] dib8000: warning fix: declare internal functions as static [media] r820t: quiet gcc warning on n_ring [media] r820t: memory leak in release() [media] r820t: precendence bug in r820t_xtal_check() [media] videodev2.h: Remove the unused old V4L1 buffer types [media] anysee: Grammar s/report the/report to/ [media] anysee: Initialize ret = 0 in anysee_frontend_attach() [media] media: videobuf2: fix the length check for mmap [media] em28xx: save isoc endpoint number for DVB only if endpoint has alt settings with xMaxPacketSize != 0 ... Conflicts: drivers/media/pci/cx25821/cx25821-video.c drivers/media/platform/Kconfig
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c')
-rw-r--r--drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c43
1 files changed, 36 insertions, 7 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
index 5716662b483..33ff97e708e 100644
--- a/drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c
+++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c
@@ -21,8 +21,8 @@
#include "dvb_usb_common.h"
-int dvb_usbv2_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf,
- u16 rlen)
+static int dvb_usb_v2_generic_io(struct dvb_usb_device *d,
+ u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
{
int ret, actual_length;
@@ -32,8 +32,6 @@ int dvb_usbv2_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf,
return -EINVAL;
}
- mutex_lock(&d->usb_mutex);
-
dev_dbg(&d->udev->dev, "%s: >>> %*ph\n", __func__, wlen, wbuf);
ret = usb_bulk_msg(d->udev, usb_sndbulkpipe(d->udev,
@@ -56,20 +54,51 @@ int dvb_usbv2_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf,
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_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);
}
+ return ret;
+}
+
+int dvb_usbv2_generic_rw(struct dvb_usb_device *d,
+ u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
+{
+ int ret;
+
+ mutex_lock(&d->usb_mutex);
+ ret = dvb_usb_v2_generic_io(d, wbuf, wlen, rbuf, rlen);
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);
+ int ret;
+
+ mutex_lock(&d->usb_mutex);
+ ret = dvb_usb_v2_generic_io(d, buf, len, NULL, 0);
+ mutex_unlock(&d->usb_mutex);
+
+ return ret;
}
EXPORT_SYMBOL(dvb_usbv2_generic_write);
+
+int dvb_usbv2_generic_rw_locked(struct dvb_usb_device *d,
+ u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
+{
+ return dvb_usb_v2_generic_io(d, wbuf, wlen, rbuf, rlen);
+}
+EXPORT_SYMBOL(dvb_usbv2_generic_rw_locked);
+
+int dvb_usbv2_generic_write_locked(struct dvb_usb_device *d, u8 *buf, u16 len)
+{
+ return dvb_usb_v2_generic_io(d, buf, len, NULL, 0);
+}
+EXPORT_SYMBOL(dvb_usbv2_generic_write_locked);