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Subject[PATCH v4 3/3] usb: ohci-at91: use device managed clk retrieval
Date
Replace clk_get calls by devm_clk_get calls.

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
---
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 30f1445..9db3954 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -165,30 +165,30 @@ 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;
}
}

@@ -204,15 +204,6 @@ 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;
@@ -237,13 +228,6 @@ 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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