[PATCH v5 3/3] usb: ohci-at91: use device managed clk retrieval

From: Boris BREZILLON
Date: Mon Dec 09 2013 - 03:53:41 EST


Replace clk_get calls by devm_clk_get calls.

Signed-off-by: Boris BREZILLON <b.brezillon@xxxxxxxxxxx>
Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
Signed-off-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/host/ohci-at91.c | 30 +++++++-----------------------
1 file changed, 7 insertions(+), 23 deletions(-)

diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 8c0c4a4..9aa485e 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -164,30 +164,30 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver,
goto err;
}

- iclk = clk_get(dev, "ohci_clk");
+ iclk = devm_clk_get(dev, "ohci_clk");
if (IS_ERR(iclk)) {
dev_err(dev, "failed to get ohci_clk\n");
retval = PTR_ERR(iclk);
goto err;
}
- fclk = clk_get(dev, "uhpck");
+ fclk = devm_clk_get(dev, "uhpck");
if (IS_ERR(fclk)) {
dev_err(dev, "failed to get uhpck\n");
retval = PTR_ERR(fclk);
- goto err4;
+ goto err;
}
- hclk = clk_get(dev, "hclk");
+ hclk = devm_clk_get(dev, "hclk");
if (IS_ERR(hclk)) {
dev_err(dev, "failed to get hclk\n");
retval = PTR_ERR(hclk);
- goto err5;
+ goto err;
}
if (IS_ENABLED(CONFIG_COMMON_CLK)) {
- uclk = clk_get(dev, "usb_clk");
+ uclk = devm_clk_get(dev, "usb_clk");
if (IS_ERR(uclk)) {
dev_err(dev, "failed to get uclk\n");
retval = PTR_ERR(uclk);
- goto err6;
+ goto err;
}
}

@@ -203,15 +203,6 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver,
/* Error handling */
at91_stop_hc(pdev);

- if (IS_ENABLED(CONFIG_COMMON_CLK))
- clk_put(uclk);
- err6:
- clk_put(hclk);
- err5:
- clk_put(fclk);
- err4:
- clk_put(iclk);
-
err:
usb_put_hcd(hcd);
return retval;
@@ -236,13 +227,6 @@ static void usb_hcd_at91_remove(struct usb_hcd *hcd,
usb_remove_hcd(hcd);
at91_stop_hc(pdev);
usb_put_hcd(hcd);
-
- if (IS_ENABLED(CONFIG_COMMON_CLK))
- clk_put(uclk);
- clk_put(hclk);
- clk_put(fclk);
- clk_put(iclk);
- fclk = iclk = hclk = NULL;
}

/*-------------------------------------------------------------------------*/
--
1.7.9.5

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