V4L/DVB (5675): Move big PIO accesses from the interrupt handler to a workhandler
authorHans Verkuil <hverkuil@xs4all.nl>
Sat, 19 May 2007 17:07:16 +0000 (14:07 -0300)
committerMauro Carvalho Chehab <mchehab@infradead.org>
Fri, 8 Jun 2007 11:21:13 +0000 (08:21 -0300)
commitdc02d50a6d71cba2b2edb78377af5a5965879a49
tree199528db7b95dacd395004119614567b57725787
parentffeb9ec72e18e16d0b0835d959cdf01650758638
V4L/DVB (5675): Move big PIO accesses from the interrupt handler to a workhandler

Sliced VBI transfers use PIO instead of DMA. This was done inside the
interrupt handler, but since PIO accesses are very slow this meant that
a lot of time was spent inside the interrupt handler. All PIO copies are
now moved to a workqueue. This should fix various issues with missing time
ticks and remote key hits.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
drivers/media/video/ivtv/ivtv-driver.c
drivers/media/video/ivtv/ivtv-driver.h
drivers/media/video/ivtv/ivtv-irq.c
drivers/media/video/ivtv/ivtv-queue.c
drivers/media/video/ivtv/ivtv-queue.h
drivers/media/video/ivtv/ivtv-vbi.c
drivers/media/video/ivtv/ivtv-vbi.h