summaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap2/prcm.c
diff options
context:
space:
mode:
authorPaul Walmsley <paul@pwsan.com>2009-12-08 16:33:16 -0700
committerpaul <paul@twilight.(none)>2009-12-11 17:00:43 -0700
commit6f8b7ff5b01e16a65c3b17865ce047faeca40907 (patch)
treeae5ecb4b377588b157c23176cf95a5c9631206ba /arch/arm/mach-omap2/prcm.c
parent3863c74b512c1afd3ce6b2f81d8dea9f1d860968 (diff)
OMAP clock/hwmod: fix off-by-one errors
Fix loop bailout off-by-one bugs reported by Juha Leppänen <juha_motorsportcom@luukku.com>. This second version incorporates comments from Russell King <linux@arm.linux.org.uk>. A new macro, 'omap_test_timeout', has been created, with cleaner code, and existing code has been converted to use it. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Juha Leppänen <juha_motorsportcom@luukku.com> Cc: Russell King <linux@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-omap2/prcm.c')
-rw-r--r--arch/arm/mach-omap2/prcm.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c
index 9208b6e873ae..79637c2eaf64 100644
--- a/arch/arm/mach-omap2/prcm.c
+++ b/arch/arm/mach-omap2/prcm.c
@@ -241,9 +241,8 @@ int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, const char *name)
BUG();
/* Wait for lock */
- while (((__raw_readl(reg) & mask) != ena) &&
- (i++ < MAX_MODULE_ENABLE_WAIT))
- udelay(1);
+ omap_test_timeout(((__raw_readl(reg) & mask) == ena),
+ MAX_MODULE_ENABLE_WAIT, i);
if (i < MAX_MODULE_ENABLE_WAIT)
pr_debug("cm: Module associated with clock %s ready after %d "