ARM: OMAP: Sync clocks with linux-omap tree

Mostly clean up CONFIG_OMAP_RESET_CLOCKS. Also includes a
patch from Imre Deak to make McSPI clocks use id.

Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 17 insertions, 22 deletions

diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index 26ac49ecb78d..0de201c3d50b 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -1025,12 +1025,29 @@ static int omap2_select_table_rate(struct clk * clk, unsigned long rate)
  * Omap2 clock reset and init functions
  *-------------------------------------------------------------------------*/
 
+#ifdef CONFIG_OMAP_RESET_CLOCKS
+static void __init omap2_clk_disable_unused(struct clk *clk)
+{
+        u32 regval32;
+
+        regval32 = __raw_readl(clk->enable_reg);
+        if ((regval32 & (1 << clk->enable_bit)) == 0)
+                return;
+
+        printk(KERN_INFO "Disabling unused clock \"%s\"\n", clk->name);
+        _omap2_clk_disable(clk);
+}
+#else
+#define omap2_clk_disable_unused        NULL
+#endif
+
 static struct clk_functions omap2_clk_functions = {
         .clk_enable             = omap2_clk_enable,
         .clk_disable            = omap2_clk_disable,
         .clk_round_rate         = omap2_clk_round_rate,
         .clk_set_rate           = omap2_clk_set_rate,
         .clk_set_parent         = omap2_clk_set_parent,
+        .clk_disable_unused     = omap2_clk_disable_unused,
 };
 
 static void __init omap2_get_crystal_rate(struct clk *osc, struct clk *sys)
@@ -1070,28 +1087,6 @@ void omap2_clk_prepare_for_reboot(void)
         clk_set_rate(vclk, rate);
 }
 
-#ifdef CONFIG_OMAP_RESET_CLOCKS
-static void __init omap2_disable_unused_clocks(void)
-{
-        struct clk *ck;
-        u32 regval32;
-
-        list_for_each_entry(ck, &clocks, node) {
-                if (ck->usecount > 0 || (ck->flags & ALWAYS_ENABLED) ||
-                        ck->enable_reg == 0)
-                        continue;
-
-                regval32 = __raw_readl(ck->enable_reg);
-                if ((regval32 & (1 << ck->enable_bit)) == 0)
-                        continue;
-
-                printk(KERN_INFO "Disabling unused clock \"%s\"\n", ck->name);
-                _omap2_clk_disable(ck);
-        }
-}
-late_initcall(omap2_disable_unused_clocks);
-#endif
-
 /*
  * Switch the MPU rate if specified on cmdline.
  * We cannot do this early until cmdline is parsed.