OMAP2/3: PRM/CM: prefix OMAP2 PRM/CM functions with "omap2_"

Now that OMAP4-specific PRCM functions have been added, distinguish the
existing OMAP2/3-specific PRCM functions by prefixing them with "omap2_".

This patch should not result in any functional change.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Jarkko Nikula <jhnikula@gmail.com>
Cc: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Rajendra Nayak <rnayak@ti.com>
diff --git a/arch/arm/mach-omap2/clkt2xxx_dpllcore.c b/arch/arm/mach-omap2/clkt2xxx_dpllcore.c
index 530a76b..4ae4392 100644
--- a/arch/arm/mach-omap2/clkt2xxx_dpllcore.c
+++ b/arch/arm/mach-omap2/clkt2xxx_dpllcore.c
@@ -54,7 +54,7 @@
 
 	core_clk = omap2_get_dpll_rate(clk);
 
-	v = cm_read_mod_reg(PLL_MOD, CM_CLKSEL2);
+	v = omap2_cm_read_mod_reg(PLL_MOD, CM_CLKSEL2);
 	v &= OMAP24XX_CORE_CLK_SRC_MASK;
 
 	if (v == CORE_CLK_SRC_32K)
@@ -73,7 +73,7 @@
 {
 	u32 high, low, core_clk_src;
 
-	core_clk_src = cm_read_mod_reg(PLL_MOD, CM_CLKSEL2);
+	core_clk_src = omap2_cm_read_mod_reg(PLL_MOD, CM_CLKSEL2);
 	core_clk_src &= OMAP24XX_CORE_CLK_SRC_MASK;
 
 	if (core_clk_src == CORE_CLK_SRC_DPLL) {	/* DPLL clockout */
@@ -111,7 +111,7 @@
 	const struct dpll_data *dd;
 
 	cur_rate = omap2xxx_clk_get_core_rate(dclk);
-	mult = cm_read_mod_reg(PLL_MOD, CM_CLKSEL2);
+	mult = omap2_cm_read_mod_reg(PLL_MOD, CM_CLKSEL2);
 	mult &= OMAP24XX_CORE_CLK_SRC_MASK;
 
 	if ((rate == (cur_rate / 2)) && (mult == 2)) {
@@ -136,7 +136,7 @@
 		tmpset.cm_clksel1_pll &= ~(dd->mult_mask |
 					   dd->div1_mask);
 		div = ((curr_prcm_set->xtal_speed / 1000000) - 1);
-		tmpset.cm_clksel2_pll = cm_read_mod_reg(PLL_MOD, CM_CLKSEL2);
+		tmpset.cm_clksel2_pll = omap2_cm_read_mod_reg(PLL_MOD, CM_CLKSEL2);
 		tmpset.cm_clksel2_pll &= ~OMAP24XX_CORE_CLK_SRC_MASK;
 		if (rate > low) {
 			tmpset.cm_clksel2_pll |= CORE_CLK_SRC_DPLL_X2;