diff mbox

rtc: t reaches -1, tested 0

Message ID 49843629.8070309@gmail.com
State Superseded, archived
Headers show

Commit Message

roel kluin Jan. 31, 2009, 11:29 a.m. UTC 
With a postfix decrement t will reach -1 rather than 0,
so the warning will not be issued.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
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diff mbox

Patch

diff --git a/drivers/rtc/rtc-au1xxx.c b/drivers/rtc/rtc-au1xxx.c
index 8906a68..979ed04 100644
--- a/drivers/rtc/rtc-au1xxx.c
+++ b/drivers/rtc/rtc-au1xxx.c
@@ -81,7 +81,7 @@  static int __devinit au1xtoy_rtc_probe(struct platform_device *pdev)
 	if (au_readl(SYS_TOYTRIM) != 32767) {
 		/* wait until hardware gives access to TRIM register */
 		t = 0x00100000;
-		while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T0S) && t--)
+		while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T0S) && --t)
 			msleep(1);
 
 		if (!t) {