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[media] saa7164: generate a fixed kernel warning if the irq is 'late'

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Now we start to see a number of patches applied that are related
to debugging the driver. This patch is removed in the coming patches
as you start to see the irq handler evolve as I worked through the
DMA data corruption issues.

Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Steven Toth 2010-07-31 14:50:46 -03:00 committed by Mauro Carvalho Chehab
parent eafea21071
commit 076031310b
1 changed files with 6 additions and 1 deletions
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7
drivers/media/video/saa7164/saa7164-core.c
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@ -267,7 +267,12 @@ static irqreturn_t saa7164_irq_encoder(struct saa7164_port *port)
return 0;
}
/* Sore old time */
if (rp != ((port->last_irq_rp + 1) % 8)) {
printk(KERN_ERR "%s() Multiple bufs on interrupt, port %p\n",
__func__, port);
}
/* Store old time */
port->last_irq_msecs_diff = port->last_irq_msecs;
/* Collect new stats */