omap2_clk_enable() should enable a clock's clockdomain before
attempting to enable its parent clock's clockdomain.  Similarly, in
the unlikely event that the parent clock enable fails, the clockdomain
should be disabled.

Signed-off-by: Paul Walmsley <[email protected]>
---
 arch/arm/mach-omap2/clock.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index 3f8354d..55f43d0 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -488,16 +488,17 @@ int omap2_clk_enable(struct clk *clk)
        if (++clk->usecount > 1)
                return 0;
 
+       omap2_clkdm_clk_enable(clk->clkdm.ptr, clk);
+
        if (clk->parent)
                ret = omap2_clk_enable(clk->parent);
 
        if (ret != 0) {
                clk->usecount--;
+               omap2_clkdm_clk_disable(clk->clkdm.ptr, clk);
                return ret;
        }
 
-       omap2_clkdm_clk_enable(clk->clkdm.ptr, clk);
-
        ret = _omap2_clk_enable(clk);
 
        if (ret != 0) {


--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to