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| author | nshmyrev@yandex.ru <nshmyrev@yandex.ru> | 2005-11-08 21:37:41 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-09 07:56:19 -0800 |
| commit | c58c21c7a2ef7d1eb45231d5c1bb24d88a9666b8 (patch) | |
| tree | cc95753e4ee03568799cab041f76b0222b765c1c | |
| parent | cf1c5d1d58793bb9320467226ffc850c75c20902 (diff) | |
| download | linux-3.10-c58c21c7a2ef7d1eb45231d5c1bb24d88a9666b8.tar.gz linux-3.10-c58c21c7a2ef7d1eb45231d5c1bb24d88a9666b8.tar.bz2 linux-3.10-c58c21c7a2ef7d1eb45231d5c1bb24d88a9666b8.zip | |
[PATCH] v4l: 797: more intellect on clearing in bits on irq lock
- More intellect on clearing in bits on irq lock.
Signed-off-by: Nickolay V. Shmyrev <<nshmyrev@yandex.ru>>
Signed-off-by: Nickolay V. Shmyrev <nshmyrev@yandex.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | drivers/media/video/bttv-driver.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/media/video/bttv-driver.c b/drivers/media/video/bttv-driver.c index 504d717b115..058b923b4b1 100644 --- a/drivers/media/video/bttv-driver.c +++ b/drivers/media/video/bttv-driver.c @@ -3736,10 +3736,22 @@ static irqreturn_t bttv_irq(int irq, void *dev_id, struct pt_regs * regs) count++; if (count > 4) { - btwrite(0, BT848_INT_MASK); - printk(KERN_ERR - "bttv%d: IRQ lockup, cleared int mask [", btv->c.nr); + + if (count > 8 || !(astat & BT848_INT_GPINT)) { + btwrite(0, BT848_INT_MASK); + + printk(KERN_ERR + "bttv%d: IRQ lockup, cleared int mask [", btv->c.nr); + } else { + printk(KERN_ERR + "bttv%d: IRQ lockup, clearing GPINT from int mask [", btv->c.nr); + + btwrite(btread(BT848_INT_MASK) & (-1 ^ BT848_INT_GPINT), + BT848_INT_MASK); + }; + bttv_print_irqbits(stat,astat); + printk("]\n"); } } |