ARM: OMAP2+: hwmod_core: enable optional clocks before main clock

The optional clocks must be enabled before the main clock after the
transition to clkctrl controlled clocks is done. Otherwise the module
we attempt to enable might be stuck in transition.

Reported-by: Keerthy <j-keerthy@ti.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 5eff27e4f24b..b1d446c57556 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -975,6 +975,9 @@ static int _enable_clocks(struct omap_hwmod *oh)
 
         pr_debug("omap_hwmod: %s: enabling clocks\n", oh->name);
 
+        if (oh->flags & HWMOD_OPT_CLKS_NEEDED)
+                _enable_optional_clocks(oh);
+
         if (oh->_clk)
                 clk_enable(oh->_clk);
 
@@ -983,9 +986,6 @@ static int _enable_clocks(struct omap_hwmod *oh)
                         clk_enable(os->_clk);
         }
 
-        if (oh->flags & HWMOD_OPT_CLKS_NEEDED)
-                _enable_optional_clocks(oh);
-
         /* The opt clocks are controlled by the device driver. */
 
         return 0;