usb: musb: ux500: use clk_prepare_enable and clk_disable_unprepare
This patch converts the module to use clk_prepare_enable and
clk_disable_unprepare variants as required by common clock framework.
Without this the system crash during probe function.
Cc: <stable@vger.kernel.org> # v3.7 v3.8
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c
index a27ca1a..0804661 100644
--- a/drivers/usb/musb/ux500.c
+++ b/drivers/usb/musb/ux500.c
@@ -108,7 +108,7 @@
goto err3;
}
- ret = clk_enable(clk);
+ ret = clk_prepare_enable(clk);
if (ret) {
dev_err(&pdev->dev, "failed to enable clock\n");
goto err4;
@@ -148,7 +148,7 @@
return 0;
err5:
- clk_disable(clk);
+ clk_disable_unprepare(clk);
err4:
clk_put(clk);
@@ -168,7 +168,7 @@
struct ux500_glue *glue = platform_get_drvdata(pdev);
platform_device_unregister(glue->musb);
- clk_disable(glue->clk);
+ clk_disable_unprepare(glue->clk);
clk_put(glue->clk);
kfree(glue);
@@ -182,7 +182,7 @@
struct musb *musb = glue_to_musb(glue);
usb_phy_set_suspend(musb->xceiv, 1);
- clk_disable(glue->clk);
+ clk_disable_unprepare(glue->clk);
return 0;
}
@@ -193,7 +193,7 @@
struct musb *musb = glue_to_musb(glue);
int ret;
- ret = clk_enable(glue->clk);
+ ret = clk_prepare_enable(glue->clk);
if (ret) {
dev_err(dev, "failed to enable clock\n");
return ret;