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USB: ohci-nxp: Use devm_clk_get() 

Use devm_clk_get() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jingoo Han 2013-12-11 16:30:35 +09:00 committed by Greg Kroah-Hartman
parent 849da2dce5
commit ac8d81f36c
1 changed files with 8 additions and 18 deletions
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26
drivers/usb/host/ohci-nxp.c
View File

@ -196,17 +196,17 @@ static int ohci_hcd_nxp_probe(struct platform_device *pdev)
__raw_writel(USB_SLAVE_HCLK_EN | PAD_CONTROL_LAST_DRIVEN, USB_CTRL);
/* Enable USB PLL */
usb_pll_clk = clk_get(&pdev->dev, "ck_pll5");
usb_pll_clk = devm_clk_get(&pdev->dev, "ck_pll5");
if (IS_ERR(usb_pll_clk)) {
dev_err(&pdev->dev, "failed to acquire USB PLL\n");
ret = PTR_ERR(usb_pll_clk);
goto fail_pll;
goto fail_disable;
}
ret = clk_enable(usb_pll_clk);
if (ret < 0) {
dev_err(&pdev->dev, "failed to start USB PLL\n");
goto fail_pllen;
goto fail_disable;
}
ret = clk_set_rate(usb_pll_clk, 48000);
@ -216,21 +216,21 @@ static int ohci_hcd_nxp_probe(struct platform_device *pdev)
}
/* Enable USB device clock */
usb_dev_clk = clk_get(&pdev->dev, "ck_usbd");
usb_dev_clk = devm_clk_get(&pdev->dev, "ck_usbd");
if (IS_ERR(usb_dev_clk)) {
dev_err(&pdev->dev, "failed to acquire USB DEV Clock\n");
ret = PTR_ERR(usb_dev_clk);
goto fail_dev;
goto fail_rate;
}
ret = clk_enable(usb_dev_clk);
if (ret < 0) {
dev_err(&pdev->dev, "failed to start USB DEV Clock\n");
goto fail_deven;
goto fail_rate;
}
/* Enable USB otg clocks */
usb_otg_clk = clk_get(&pdev->dev, "ck_usb_otg");
usb_otg_clk = devm_clk_get(&pdev->dev, "ck_usb_otg");
if (IS_ERR(usb_otg_clk)) {
dev_err(&pdev->dev, "failed to acquire USB DEV Clock\n");
ret = PTR_ERR(usb_otg_clk);
@ -242,7 +242,7 @@ static int ohci_hcd_nxp_probe(struct platform_device *pdev)
ret = clk_enable(usb_otg_clk);
if (ret < 0) {
dev_err(&pdev->dev, "failed to start USB DEV Clock\n");
goto fail_otgen;
goto fail_otg;
}
isp1301_configure();
@ -284,18 +284,10 @@ fail_resource:
usb_put_hcd(hcd);
fail_hcd:
clk_disable(usb_otg_clk);
fail_otgen:
clk_put(usb_otg_clk);
fail_otg:
clk_disable(usb_dev_clk);
fail_deven:
clk_put(usb_dev_clk);
fail_dev:
fail_rate:
clk_disable(usb_pll_clk);
fail_pllen:
clk_put(usb_pll_clk);
fail_pll:
fail_disable:
isp1301_i2c_client = NULL;
return ret;
@ -309,9 +301,7 @@ static int ohci_hcd_nxp_remove(struct platform_device *pdev)
ohci_nxp_stop_hc();
usb_put_hcd(hcd);
clk_disable(usb_pll_clk);
clk_put(usb_pll_clk);
clk_disable(usb_dev_clk);
clk_put(usb_dev_clk);
i2c_unregister_device(isp1301_i2c_client);
isp1301_i2c_client = NULL;