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path: root/drivers/usb/host/ehci-mxc.c
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Diffstat (limited to 'drivers/usb/host/ehci-mxc.c')
-rw-r--r--drivers/usb/host/ehci-mxc.c62
1 files changed, 27 insertions, 35 deletions
diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c
index a797d51ecbe8..c778ffe4e4e5 100644
--- a/drivers/usb/host/ehci-mxc.c
+++ b/drivers/usb/host/ehci-mxc.c
@@ -32,7 +32,7 @@
#define ULPI_VIEWPORT_OFFSET 0x170
struct ehci_mxc_priv {
- struct clk *usbclk, *ahbclk, *phy1clk;
+ struct clk *usbclk, *ahbclk, *phyclk;
struct usb_hcd *hcd;
};
@@ -166,31 +166,26 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
}
/* enable clocks */
- priv->usbclk = clk_get(dev, "usb");
+ priv->usbclk = clk_get(dev, "ipg");
if (IS_ERR(priv->usbclk)) {
ret = PTR_ERR(priv->usbclk);
goto err_clk;
}
- clk_enable(priv->usbclk);
+ clk_prepare_enable(priv->usbclk);
- if (!cpu_is_mx35() && !cpu_is_mx25()) {
- priv->ahbclk = clk_get(dev, "usb_ahb");
- if (IS_ERR(priv->ahbclk)) {
- ret = PTR_ERR(priv->ahbclk);
- goto err_clk_ahb;
- }
- clk_enable(priv->ahbclk);
+ priv->ahbclk = clk_get(dev, "ahb");
+ if (IS_ERR(priv->ahbclk)) {
+ ret = PTR_ERR(priv->ahbclk);
+ goto err_clk_ahb;
}
+ clk_prepare_enable(priv->ahbclk);
/* "dr" device has its own clock on i.MX51 */
- if (cpu_is_mx51() && (pdev->id == 0)) {
- priv->phy1clk = clk_get(dev, "usb_phy1");
- if (IS_ERR(priv->phy1clk)) {
- ret = PTR_ERR(priv->phy1clk);
- goto err_clk_phy;
- }
- clk_enable(priv->phy1clk);
- }
+ priv->phyclk = clk_get(dev, "phy");
+ if (IS_ERR(priv->phyclk))
+ priv->phyclk = NULL;
+ if (priv->phyclk)
+ clk_prepare_enable(priv->phyclk);
/* call platform specific init function */
@@ -265,17 +260,15 @@ err_add:
if (pdata && pdata->exit)
pdata->exit(pdev);
err_init:
- if (priv->phy1clk) {
- clk_disable(priv->phy1clk);
- clk_put(priv->phy1clk);
- }
-err_clk_phy:
- if (priv->ahbclk) {
- clk_disable(priv->ahbclk);
- clk_put(priv->ahbclk);
+ if (priv->phyclk) {
+ clk_disable_unprepare(priv->phyclk);
+ clk_put(priv->phyclk);
}
+
+ clk_disable_unprepare(priv->ahbclk);
+ clk_put(priv->ahbclk);
err_clk_ahb:
- clk_disable(priv->usbclk);
+ clk_disable_unprepare(priv->usbclk);
clk_put(priv->usbclk);
err_clk:
iounmap(hcd->regs);
@@ -307,15 +300,14 @@ static int __exit ehci_mxc_drv_remove(struct platform_device *pdev)
usb_put_hcd(hcd);
platform_set_drvdata(pdev, NULL);
- clk_disable(priv->usbclk);
+ clk_disable_unprepare(priv->usbclk);
clk_put(priv->usbclk);
- if (priv->ahbclk) {
- clk_disable(priv->ahbclk);
- clk_put(priv->ahbclk);
- }
- if (priv->phy1clk) {
- clk_disable(priv->phy1clk);
- clk_put(priv->phy1clk);
+ clk_disable_unprepare(priv->ahbclk);
+ clk_put(priv->ahbclk);
+
+ if (priv->phyclk) {
+ clk_disable_unprepare(priv->phyclk);
+ clk_put(priv->phyclk);
}
kfree(priv);