ARM: OMAP: 3/4 Fix clock framework to use clk_enable/disable for omap2

[linux-2.6-omap-h63xx.git] / arch / arm / mach-omap2 / clock.c

diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index 5407b954915011ca62d5c46d4c5c0dace238867b..180f675c9064094d1fb95486b5bdfbad8c1d8f8c 100644 (file)
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -111,7 +111,7 @@ static void omap2_clk_fixed_enable(struct clk *clk)
 /* Enables clock without considering parent dependencies or use count
  * REVISIT: Maybe change this to use clk->enable like on omap1?
  */
-static int omap2_clk_enable(struct clk * clk)
+static int _omap2_clk_enable(struct clk * clk)
 {
        u32 regval32;
 
@@ -150,7 +150,7 @@ static void omap2_clk_fixed_disable(struct clk *clk)
 }
 
 /* Disables clock without considering parent dependencies or use count */
-static void omap2_clk_disable(struct clk *clk)
+static void _omap2_clk_disable(struct clk *clk)
 {
        u32 regval32;
 
@@ -167,23 +167,23 @@ static void omap2_clk_disable(struct clk *clk)
        __raw_writel(regval32, clk->enable_reg);
 }
 
-static int omap2_clk_use(struct clk *clk)
+static int omap2_clk_enable(struct clk *clk)
 {
        int ret = 0;
 
        if (clk->usecount++ == 0) {
                if (likely((u32)clk->parent))
-                       ret = omap2_clk_use(clk->parent);
+                       ret = omap2_clk_enable(clk->parent);
 
                if (unlikely(ret != 0)) {
                        clk->usecount--;
                        return ret;
                }
 
-               ret = omap2_clk_enable(clk);
+               ret = _omap2_clk_enable(clk);
 
                if (unlikely(ret != 0) && clk->parent) {
-                       omap2_clk_unuse(clk->parent);
+                       omap2_clk_disable(clk->parent);
                        clk->usecount--;
                }
        }
@@ -191,12 +191,12 @@ static int omap2_clk_use(struct clk *clk)
        return ret;
 }
 
-static void omap2_clk_unuse(struct clk *clk)
+static void omap2_clk_disable(struct clk *clk)
 {
        if (clk->usecount > 0 && !(--clk->usecount)) {
-               omap2_clk_disable(clk);
+               _omap2_clk_disable(clk);
                if (likely((u32)clk->parent))
-                       omap2_clk_unuse(clk->parent);
+                       omap2_clk_disable(clk->parent);
        }
 }
 
@@ -873,7 +873,7 @@ static int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent)
                reg = (void __iomem *)src_sel;
 
                if (clk->usecount > 0)
-                       omap2_clk_disable(clk);
+                       _omap2_clk_disable(clk);
 
                /* Set new source value (previous dividers if any in effect) */
                reg_val = __raw_readl(reg) & ~(field_mask << src_off);
@@ -884,7 +884,7 @@ static int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent)
                        __raw_writel(0x1, (void __iomem *)&PRCM_CLKCFG_CTRL);
 
                if (clk->usecount > 0)
-                       omap2_clk_enable(clk);
+                       _omap2_clk_enable(clk);
 
                clk->parent = new_parent;
 
@@ -999,8 +999,6 @@ static int omap2_select_table_rate(struct clk * clk, unsigned long rate)
 static struct clk_functions omap2_clk_functions = {
        .clk_enable             = omap2_clk_enable,
        .clk_disable            = omap2_clk_disable,
-       .clk_use                = omap2_clk_use,
-       .clk_unuse              = omap2_clk_unuse,
        .clk_round_rate         = omap2_clk_round_rate,
        .clk_set_rate           = omap2_clk_set_rate,
        .clk_set_parent         = omap2_clk_set_parent,
@@ -1045,7 +1043,7 @@ static void __init omap2_disable_unused_clocks(void)
                        continue;
 
                printk(KERN_INFO "Disabling unused clock \"%s\"\n", ck->name);
-               omap2_clk_disable(ck);
+               _omap2_clk_disable(ck);
        }
 }
 late_initcall(omap2_disable_unused_clocks);
@@ -1120,10 +1118,10 @@ int __init omap2_clk_init(void)
         * Only enable those clocks we will need, let the drivers
         * enable other clocks as necessary
         */
-       clk_use(&sync_32k_ick);
-       clk_use(&omapctrl_ick);
+       clk_enable(&sync_32k_ick);
+       clk_enable(&omapctrl_ick);
        if (cpu_is_omap2430())
-               clk_use(&sdrc_ick);
+               clk_enable(&sdrc_ick);
 
        return 0;
 }