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OMAP: hmwod: Update the sysc_cache in case module context is lost

Message ID 1287080555-25399-1-git-send-email-rnayak@ti.com (mailing list archive)
State New, archived
Delegated to: Paul Walmsley
Headers show

Commit Message

Rajendra Nayak Oct. 14, 2010, 6:22 p.m. UTC 
None
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Patch

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index cb911d7..e57fe21 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -115,7 +115,10 @@  static void _write_sysconfig(u32 v, struct omap_hwmod *oh)
 
 	/* XXX ensure module interface clock is up */
 
-	if (oh->_sysc_cache != v) {
+	if ((oh->_sysc_cache != v) ||
+		/* Did the module go to off and loose context? */
+		(oh->_sysc_cache !=
+			 omap_hwmod_readl(oh, oh->class->sysc->sysc_offs))) {
 		oh->_sysc_cache = v;
 		omap_hwmod_writel(v, oh, oh->class->sysc->sysc_offs);
 	}