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

91ad1203 · Roel Kluin <[email protected]> · 2009-03-31 15:25:30 -07:00

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

Signed-off-by: Roel Kluin <[email protected]>
Cc: Krzysztof Helt <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

Commit: 91ad1203535da95bb13072bdb59e1dc3ca76ec5d
Parents: eb8972b4

Changes

1 files changed · +2 −2

File	Status	Add	Del	Content
include/video/newport.h	modified	+2	−2	View file

include/video/newport.h

View file

diff --git a/include/video/newport.h b/include/video/newport.h
index 1f5ebea..001b935 100644
--- a/include/video/newport.h
+++ b/include/video/newport.h
@@ -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;