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.
*/
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();