ARM: OMAP2: clock: Convert to common clk

Convert all OMAP2 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>
[paul@pwsan.com: updated to apply]
Signed-off-by: Paul Walmsley <paul@pwsan.com>

arch/arm/mach-omap2/clkt2xxx_osc.c

@@ -35,7 +35,11 @@
  * clk_enable/clk_disable()-based usecounting for osc_ck should be
  * replaced with autoidle-based usecounting.
  */
+#ifdef CONFIG_COMMON_CLK
+int omap2_enable_osc_ck(struct clk_hw *clk)
+#else
 static int omap2_enable_osc_ck(struct clk *clk)
+#endif
 {
 	u32 pcc;
 
@@ -53,7 +57,11 @@ static int omap2_enable_osc_ck(struct clk *clk)
  * clk_enable/clk_disable()-based usecounting for osc_ck should be
  * replaced with autoidle-based usecounting.
  */
+#ifdef CONFIG_COMMON_CLK
+void omap2_disable_osc_ck(struct clk_hw *clk)
+#else
 static void omap2_disable_osc_ck(struct clk *clk)
+#endif
 {
 	u32 pcc;
 
@@ -62,12 +70,19 @@ static void omap2_disable_osc_ck(struct clk *clk)
 	__raw_writel(pcc | OMAP_AUTOEXTCLKMODE_MASK, prcm_clksrc_ctrl);
 }
 
+#ifndef CONFIG_COMMON_CLK
 const struct clkops clkops_oscck = {
 	.enable		= omap2_enable_osc_ck,
 	.disable	= omap2_disable_osc_ck,
 };
+#endif
 
+#ifdef CONFIG_COMMON_CLK
+unsigned long omap2_osc_clk_recalc(struct clk_hw *clk,
+				   unsigned long parent_rate)
+#else
 unsigned long omap2_osc_clk_recalc(struct clk *clk)
+#endif
 {
 	return omap2xxx_get_apll_clkin() * omap2xxx_get_sysclkdiv();
 }