OMAP2/3 clock: remove omap2_get_clksel()

Remove omap2_get_clksel() and just use clk->clksel_reg and
clk->clksel_mask directly.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index b2478b7..062c034 100644 (file)
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -726,23 +726,6 @@ u32 omap2_divisor_to_clksel(struct clk *clk, u32 div)
        return clkr->val;
 }
 
-/**
- * omap2_get_clksel - find clksel register addr & field mask for a clk
- * @clk: struct clk to use
- * @field_mask: ptr to u32 to store the register field mask
- *
- * Returns the address of the clksel register upon success or NULL on error.
- */
-static void __iomem *omap2_get_clksel(struct clk *clk, u32 *field_mask)
-{
-       if (unlikely((clk->clksel_reg == NULL) || (clk->clksel_mask == NULL)))
-               return NULL;
-
-       *field_mask = clk->clksel_mask;
-
-       return clk->clksel_reg;
-}
-
 /**
  * omap2_clksel_get_divisor - get current divider applied to parent clock.
  * @clk: OMAP struct clk to use.
@@ -751,41 +734,36 @@ static void __iomem *omap2_get_clksel(struct clk *clk, u32 *field_mask)
  */
 u32 omap2_clksel_get_divisor(struct clk *clk)
 {
-       u32 field_mask, v;
-       void __iomem *div_addr;
+       u32 v;
 
-       div_addr = omap2_get_clksel(clk, &field_mask);
-       if (div_addr == NULL)
+       if (!clk->clksel_mask)
                return 0;
 
-       v = __raw_readl(div_addr) & field_mask;
-       v >>= __ffs(field_mask);
+       v = __raw_readl(clk->clksel_reg) & clk->clksel_mask;
+       v >>= __ffs(clk->clksel_mask);
 
        return omap2_clksel_to_divisor(clk, v);
 }
 
 int omap2_clksel_set_rate(struct clk *clk, unsigned long rate)
 {
-       u32 field_mask, field_val, validrate, new_div = 0;
-       void __iomem *div_addr;
-       u32 v;
+       u32 v, field_val, validrate, new_div = 0;
 
-       validrate = omap2_clksel_round_rate_div(clk, rate, &new_div);
-       if (validrate != rate)
+       if (!clk->clksel_mask)
                return -EINVAL;
 
-       div_addr = omap2_get_clksel(clk, &field_mask);
-       if (div_addr == NULL)
+       validrate = omap2_clksel_round_rate_div(clk, rate, &new_div);
+       if (validrate != rate)
                return -EINVAL;
 
        field_val = omap2_divisor_to_clksel(clk, new_div);
        if (field_val == ~0)
                return -EINVAL;
 
-       v = __raw_readl(div_addr);
-       v &= ~field_mask;
-       v |= field_val << __ffs(field_mask);
-       __raw_writel(v, div_addr);
+       v = __raw_readl(clk->clksel_reg);
+       v &= ~clk->clksel_mask;
+       v |= field_val << __ffs(clk->clksel_mask);
+       __raw_writel(v, clk->clksel_reg);
 
        wmb();