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---
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yaml
---
r: 308230
b: refs/heads/master
c: c943740
h: refs/heads/master
v: v3
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Sascha Hauer committed Apr 25, 2012
1 parent b3cb89e commit 3a55d65
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Showing 2 changed files with 25 additions and 33 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 198ad2cecde16ce309a65f2fddd5f6d3442f8250
refs/heads/master: c943740ccd7ccfc7e92c80d194d0a8a80ab7b55c
56 changes: 24 additions & 32 deletions trunk/drivers/usb/host/ehci-mxc.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;
};

Expand Down Expand Up @@ -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_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_prepare_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_prepare_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 */
Expand Down Expand Up @@ -265,15 +260,13 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
if (pdata && pdata->exit)
pdata->exit(pdev);
err_init:
if (priv->phy1clk) {
clk_disable_unprepare(priv->phy1clk);
clk_put(priv->phy1clk);
}
err_clk_phy:
if (priv->ahbclk) {
clk_disable_unprepare(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_unprepare(priv->usbclk);
clk_put(priv->usbclk);
Expand Down Expand Up @@ -309,13 +302,12 @@ static int __exit ehci_mxc_drv_remove(struct platform_device *pdev)

clk_disable_unprepare(priv->usbclk);
clk_put(priv->usbclk);
if (priv->ahbclk) {
clk_disable_unprepare(priv->ahbclk);
clk_put(priv->ahbclk);
}
if (priv->phy1clk) {
clk_disable_unprepare(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);
Expand Down

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