From f1080e4d90b2c0ec3ce850a9fad8ac8a79df3b23 Mon Sep 17 00:00:00 2001 From: Jingoo Han Date: Wed, 11 Dec 2013 16:26:21 +0900 Subject: [PATCH] USB: ohci-pxa27x:Use devm_*() functions Use devm_*() functions to make cleanup paths simpler. Signed-off-by: Jingoo Han Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-pxa27x.c | 38 ++++++++++---------------------------- 1 file changed, 10 insertions(+), 28 deletions(-) diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c index 9352a4d..d21d5fe 100644 --- a/drivers/usb/host/ohci-pxa27x.c +++ b/drivers/usb/host/ohci-pxa27x.c @@ -388,37 +388,28 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device return -ENXIO; } - usb_clk = clk_get(&pdev->dev, NULL); + usb_clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(usb_clk)) return PTR_ERR(usb_clk); hcd = usb_create_hcd (driver, &pdev->dev, "pxa27x"); - if (!hcd) { - retval = -ENOMEM; - goto err0; - } + if (!hcd) + return -ENOMEM; r = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!r) { pr_err("no resource of IORESOURCE_MEM"); retval = -ENXIO; - goto err1; + goto err; } hcd->rsrc_start = r->start; hcd->rsrc_len = resource_size(r); - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { - pr_debug("request_mem_region failed"); - retval = -EBUSY; - goto err1; - } - - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); - if (!hcd->regs) { - pr_debug("ioremap failed"); - retval = -ENOMEM; - goto err2; + hcd->regs = devm_ioremap_resource(&pdev->dev, r); + if (IS_ERR(hcd->regs)) { + retval = PTR_ERR(hcd->regs); + goto err; } /* initialize "struct pxa27x_ohci" */ @@ -429,7 +420,7 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device retval = pxa27x_start_hc(pxa_ohci, &pdev->dev); if (retval < 0) { pr_debug("pxa27x_start_hc failed"); - goto err3; + goto err; } /* Select Power Management Mode */ @@ -449,14 +440,8 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device } pxa27x_stop_hc(pxa_ohci, &pdev->dev); - err3: - iounmap(hcd->regs); - err2: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - err1: + err: usb_put_hcd(hcd); - err0: - clk_put(usb_clk); return retval; } @@ -480,9 +465,6 @@ void usb_hcd_pxa27x_remove (struct usb_hcd *hcd, struct platform_device *pdev) usb_remove_hcd(hcd); pxa27x_stop_hc(pxa_ohci, &pdev->dev); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - clk_put(pxa_ohci->clk); usb_put_hcd(hcd); } -- 2.7.4