Merge remote-tracking branch 'usb-gadget/next'

[karo-tx-linux.git] / arch / arm / mach-omap2 / omap_hwmod.c

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index b4ecd2c7db8e87d52dd7047a45049a3f2e033519..d9ee0ff094d4bcfdd395131601664be618367073 100644 (file)
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -1405,7 +1405,9 @@ static void _enable_sysc(struct omap_hwmod *oh)
            (sf & SYSC_HAS_CLOCKACTIVITY))
                _set_clockactivity(oh, oh->class->sysc->clockact, &v);
 
-       _write_sysconfig(v, oh);
+       /* If the cached value is the same as the new value, skip the write */
+       if (oh->_sysc_cache != v)
+               _write_sysconfig(v, oh);
 
        /*
         * Set the autoidle bit only after setting the smartidle bit