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

Message ID 1297858285-7056-2-git-send-email-rnayak@ti.com (mailing list archive)
State Not Applicable, archived
Delegated to: Paul Walmsley
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Commit Message

Rajendra Nayak Feb. 16, 2011, 12:11 p.m. UTC 
None
diff mbox

Patch

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++) {