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

[Rajendra Nayak]

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 at 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