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>
diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c
index 83815dd..87ae36c 100644
--- a/arch/arm/mach-omap2/pm24xx.c
+++ b/arch/arm/mach-omap2/pm24xx.c
@@ -25,7 +25,11 @@
 #include <linux/sysfs.h>
 #include <linux/module.h>
 #include <linux/delay.h>
+#ifdef CONFIG_COMMON_CLK
+#include <linux/clk-provider.h>
+#else
 #include <linux/clk.h>
+#endif
 #include <linux/irq.h>
 #include <linux/time.h>
 #include <linux/gpio.h>
@@ -202,7 +206,11 @@
 {
 	if (omap2_fclks_active())
 		return 0;
+#ifdef CONFIG_COMMON_CLK
+	if (__clk_is_enabled(osc_ck))
+#else
 	if (osc_ck->usecount > 1)
+#endif
 		return 0;
 	if (omap_dma_running())
 		return 0;