ARM: OMAP3: clock: Convert to common clk

Convert all OMAP3 specific platform files to use COMMON clk
and keep all the changes under the CONFIG_COMMON_CLK macro check
so it does not break any existing code. At a later point switch
to COMMON clk and get rid of all old/legacy code.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>

1 files changed, 21 insertions, 4 deletions

diff --git a/arch/arm/mach-omap2/clock36xx.c b/arch/arm/mach-omap2/clock36xx.c
index 0e1e9e4e2fa4..9f50e9704891 100644
--- a/arch/arm/mach-omap2/clock36xx.c
+++ b/arch/arm/mach-omap2/clock36xx.c
@@ -37,34 +37,51 @@
  * (Any other value different from the Read value) to the
  * corresponding CM_CLKSEL register will refresh the dividers.
  */
+#ifdef CONFIG_COMMON_CLK
+int omap36xx_pwrdn_clk_enable_with_hsdiv_restore(struct clk_hw *clk)
+{
+	struct clk_hw_omap *parent;
+	struct clk_hw *parent_hw;
+#else
 static int omap36xx_pwrdn_clk_enable_with_hsdiv_restore(struct clk *clk)
 {
+	struct clk *parent;
+#endif
 	u32 dummy_v, orig_v, clksel_shift;
 	int ret;
 
 	/* Clear PWRDN bit of HSDIVIDER */
 	ret = omap2_dflt_clk_enable(clk);
 
+#ifdef CONFIG_COMMON_CLK
+	parent_hw = __clk_get_hw(__clk_get_parent(clk->clk));
+	parent = to_clk_hw_omap(parent_hw);
+#else
+	parent = clk->parent;
+#endif
+
 	/* Restore the dividers */
 	if (!ret) {
-		clksel_shift = __ffs(clk->parent->clksel_mask);
-		orig_v = __raw_readl(clk->parent->clksel_reg);
+		clksel_shift = __ffs(parent->clksel_mask);
+		orig_v = __raw_readl(parent->clksel_reg);
 		dummy_v = orig_v;
 
 		/* Write any other value different from the Read value */
 		dummy_v ^= (1 << clksel_shift);
-		__raw_writel(dummy_v, clk->parent->clksel_reg);
+		__raw_writel(dummy_v, parent->clksel_reg);
 
 		/* Write the original divider */
-		__raw_writel(orig_v, clk->parent->clksel_reg);
+		__raw_writel(orig_v, parent->clksel_reg);
 	}
 
 	return ret;
 }
 
+#ifndef CONFIG_COMMON_CLK
 const struct clkops clkops_omap36xx_pwrdn_with_hsdiv_wait_restore = {
 	.enable		= omap36xx_pwrdn_clk_enable_with_hsdiv_restore,
 	.disable	= omap2_dflt_clk_disable,
 	.find_companion	= omap2_clk_dflt_find_companion,
 	.find_idlest	= omap2_clk_dflt_find_idlest,
 };
+#endif