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fbdev: newport: newport_*wait() return 0 on timeout

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With a postfix decrement t reaches -1 on timeout which results in a
return of 0.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Roel Kluin 2009-03-31 15:25:30 -07:00 committed by Linus Torvalds
parent eb8972b440
commit 91ad120353
1 changed files with 2 additions and 2 deletions
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4
include/video/newport.h
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@ -453,7 +453,7 @@ static __inline__ int newport_wait(struct newport_regs *regs)
{
int t = BUSY_TIMEOUT;
while (t--)
while (--t)
if (!(regs->cset.status & NPORT_STAT_GBUSY))
break;
return !t;
@ -463,7 +463,7 @@ static __inline__ int newport_bfwait(struct newport_regs *regs)
{
int t = BUSY_TIMEOUT;
while (t--)
while (--t)
if(!(regs->cset.status & NPORT_STAT_BBUSY))
break;
return !t;