[PATCH V2] USB: ehci: ohci: Add clk_{un}prepare() support

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clk_{un}prepare is mandatory for platforms using common clock framework. Since
these drivers are used by SPEAr platform, which supports common clock framework,
add clk_{un}prepare() support for them.

Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxx>
---
V1->V2:
- Use clk_prepare_enable and clk_disable_unprepare

 drivers/usb/host/ehci-spear.c |    4 ++--
 drivers/usb/host/ohci-spear.c |    4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/host/ehci-spear.c b/drivers/usb/host/ehci-spear.c
index 2e3c89a..37ba8c8 100644
--- a/drivers/usb/host/ehci-spear.c
+++ b/drivers/usb/host/ehci-spear.c
@@ -26,12 +26,12 @@ struct spear_ehci {
 
 static void spear_start_ehci(struct spear_ehci *ehci)
 {
-	clk_enable(ehci->clk);
+	clk_prepare_enable(ehci->clk);
 }
 
 static void spear_stop_ehci(struct spear_ehci *ehci)
 {
-	clk_disable(ehci->clk);
+	clk_disable_unprepare(ehci->clk);
 }
 
 static int ehci_spear_setup(struct usb_hcd *hcd)
diff --git a/drivers/usb/host/ohci-spear.c b/drivers/usb/host/ohci-spear.c
index eb4640b..fc7305e 100644
--- a/drivers/usb/host/ohci-spear.c
+++ b/drivers/usb/host/ohci-spear.c
@@ -25,12 +25,12 @@ struct spear_ohci {
 
 static void spear_start_ohci(struct spear_ohci *ohci)
 {
-	clk_enable(ohci->clk);
+	clk_prepare_enable(ohci->clk);
 }
 
 static void spear_stop_ohci(struct spear_ohci *ohci)
 {
-	clk_disable(ohci->clk);
+	clk_disable_unprepare(ohci->clk);
 }
 
 static int __devinit ohci_spear_start(struct usb_hcd *hcd)
-- 
1.7.9

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