[PATCH 1/3] OMAP2+: hwmod: Avoid setup if clock lookup failed

Rajendra Nayak
2011-02-16T12:11:34Z

Add a hwmod state check in the _setup function
to avoid setting up hwmods' for which clock
lookup has failed.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
---
arch/arm/mach-omap2/omap_hwmod.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index e282e35..cd9dcde 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -1362,6 +1362,12 @@ static int _setup(struct omap_hwmod *oh, void *data)
int i, r;
u8 postsetup_state;

+ if (oh->_state != _HWMOD_STATE_CLKS_INITED) {
+ WARN(1, "omap_hwmod: %s: _setup failed as one or more"
+ "clock lookups' have failed\n", oh->name);
+ return -EINVAL;
+ }
+
/* Set iclk autoidle mode */
if (oh->slaves_cnt > 0) {
for (i = 0; i < oh->slaves_cnt; i++) {
--
1.7.0.4