Messages in this thread Patch in this message | | | Date | Sun, 08 Feb 2009 15:10:30 +0100 | From | Roel Kluin <> | Subject | [PATCH] rtc: t reaches -1, tested 0 |
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With a postfix decrement t will reach -1 rather than 0, so the warning nor errot_out occur.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com> --- 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) {
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