arm: omap: musb: we can use clk framework

... in order to handle musb's clock. Let's start
removing the old musb-only set_clock function.

Cc: linux-usb@vger.kernel.org
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c
index 7e2ee01..c7d98a9 100644 (file)
--- a/arch/arm/mach-omap2/usb-musb.c
+++ b/arch/arm/mach-omap2/usb-musb.c
@@ -47,27 +47,6 @@ static struct resource musb_resources[] = {
        },
 };
 
-static int clk_on;
-
-static int musb_set_clock(struct clk *clk, int state)
-{
-       if (state) {
-               if (clk_on > 0)
-                       return -ENODEV;
-
-               clk_enable(clk);
-               clk_on = 1;
-       } else {
-               if (clk_on == 0)
-                       return -ENODEV;
-
-               clk_disable(clk);
-               clk_on = 0;
-       }
-
-       return 0;
-}
-
 static struct musb_hdrc_config musb_config = {
        .multipoint     = 1,
        .dyn_fifo       = 1,
@@ -88,7 +67,6 @@ static struct musb_hdrc_platform_data musb_plat = {
        .mode           = MUSB_PERIPHERAL,
 #endif
        /* .clock is set dynamically */
-       .set_clock      = musb_set_clock,
        .config         = &musb_config,
 
        /* REVISIT charge pump on TWL4030 can supply up to