USB: ohci-pxa27x: add clk_prepare/clk_unprepare calls
Philipp Zabel [Thu, 15 Mar 2012 18:20:24 +0000 (19:20 +0100)]
This patch adds clk_prepare/clk_unprepare calls to the ohci-pxa27x
driver by using the helper functions clk_prepare_enable and
clk_disable_unprepare.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Cc: Haojian Zhuang <haojian.zhuang@marvell.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/ohci-pxa27x.c

index 4db399c..c31b281 100644 (file)
@@ -219,7 +219,7 @@ static int pxa27x_start_hc(struct pxa27x_ohci *ohci, struct device *dev)
 
        inf = dev->platform_data;
 
-       clk_enable(ohci->clk);
+       clk_prepare_enable(ohci->clk);
 
        pxa27x_reset_hc(ohci);
 
@@ -269,7 +269,7 @@ static void pxa27x_stop_hc(struct pxa27x_ohci *ohci, struct device *dev)
        __raw_writel(uhccoms, ohci->mmio_base + UHCCOMS);
        udelay(10);
 
-       clk_disable(ohci->clk);
+       clk_disable_unprepare(ohci->clk);
 }