diff options
| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2018-06-20 14:01:03 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-09-12 15:02:25 +0300 |
| commit | 0cd3edc98b66399eb5ab173e5732cb5b93846b6a (patch) | |
| tree | ee3c98445a438430ea7454d297354577eb8eba39 /drivers/media/usb | |
| parent | 2b89b73a708a2cb6182adcc458203b6df752af7e (diff) | |
| download | linux-0cd3edc98b66399eb5ab173e5732cb5b93846b6a.tar.xz | |
media: usbvision: remove time_in_irq
Time "in interrupt" accounting with the help of `jiffies' is a pointless
exercise. This variable isn't even used.
Remove time_in_irq.
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/usb')
| -rw-r--r-- | drivers/media/usb/usbvision/usbvision-core.c | 3 | ||||
| -rw-r--r-- | drivers/media/usb/usbvision/usbvision.h | 1 |
2 files changed, 0 insertions, 4 deletions
diff --git a/drivers/media/usb/usbvision/usbvision-core.c b/drivers/media/usb/usbvision/usbvision-core.c index 7138c2b606cc..31e0e98d6daf 100644 --- a/drivers/media/usb/usbvision/usbvision-core.c +++ b/drivers/media/usb/usbvision/usbvision-core.c @@ -1272,7 +1272,6 @@ static void usbvision_isoc_irq(struct urb *urb) int len; struct usb_usbvision *usbvision = urb->context; int i; - unsigned long start_time = jiffies; struct usbvision_frame **f; /* We don't want to do anything if we are about to be removed! */ @@ -1324,8 +1323,6 @@ static void usbvision_isoc_irq(struct urb *urb) scratch_reset(usbvision); } - usbvision->time_in_irq += jiffies - start_time; - for (i = 0; i < USBVISION_URB_FRAMES; i++) { urb->iso_frame_desc[i].status = 0; urb->iso_frame_desc[i].actual_length = 0; diff --git a/drivers/media/usb/usbvision/usbvision.h b/drivers/media/usb/usbvision/usbvision.h index 6ecdcd58248f..017e7baf5747 100644 --- a/drivers/media/usb/usbvision/usbvision.h +++ b/drivers/media/usb/usbvision/usbvision.h @@ -447,7 +447,6 @@ struct usb_usbvision { unsigned long isoc_skip_count; /* How many empty ISO packets received */ unsigned long isoc_err_count; /* How many bad ISO packets received */ unsigned long isoc_packet_count; /* How many packets we totally got */ - unsigned long time_in_irq; /* How long do we need for interrupt */ int isoc_measure_bandwidth_count; int frame_num; /* How many video frames we send to user */ int max_strip_len; /* How big is the biggest strip */ |