diff options
| author | Jingoo Han | 2012-06-28 09:29:46 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2012-07-06 19:42:21 +0200 |
| commit | 9cb07563721cb05f91b517aefd70b57ba8a1d5aa (patch) | |
| tree | 7c27a69df6b6c49fbe34478c6bae0c11ca364729 /drivers/usb | |
| parent | USB: ohci-exynos: use devm_ functions (diff) | |
| download | kernel-qcow2-linux-9cb07563721cb05f91b517aefd70b57ba8a1d5aa.tar.gz kernel-qcow2-linux-9cb07563721cb05f91b517aefd70b57ba8a1d5aa.tar.xz kernel-qcow2-linux-9cb07563721cb05f91b517aefd70b57ba8a1d5aa.zip | |
USB: ehci-s5p: use devm_ functions
The devm_ functions allocate memory that is released when a driver
detaches. This makes the code smaller and a bit simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/ehci-s5p.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c index c474cec064e4..1e483f052ff7 100644 --- a/drivers/usb/host/ehci-s5p.c +++ b/drivers/usb/host/ehci-s5p.c @@ -79,7 +79,8 @@ static int __devinit s5p_ehci_probe(struct platform_device *pdev) return -EINVAL; } - s5p_ehci = kzalloc(sizeof(struct s5p_ehci_hcd), GFP_KERNEL); + s5p_ehci = devm_kzalloc(&pdev->dev, sizeof(struct s5p_ehci_hcd), + GFP_KERNEL); if (!s5p_ehci) return -ENOMEM; @@ -89,8 +90,7 @@ static int __devinit s5p_ehci_probe(struct platform_device *pdev) dev_name(&pdev->dev)); if (!hcd) { dev_err(&pdev->dev, "Unable to create HCD\n"); - err = -ENOMEM; - goto fail_hcd; + return -ENOMEM; } s5p_ehci->hcd = hcd; @@ -115,7 +115,7 @@ static int __devinit s5p_ehci_probe(struct platform_device *pdev) hcd->rsrc_start = res->start; hcd->rsrc_len = resource_size(res); - hcd->regs = ioremap(res->start, resource_size(res)); + hcd->regs = devm_ioremap(&pdev->dev, res->start, hcd->rsrc_len); if (!hcd->regs) { dev_err(&pdev->dev, "Failed to remap I/O memory\n"); err = -ENOMEM; @@ -126,7 +126,7 @@ static int __devinit s5p_ehci_probe(struct platform_device *pdev) if (!irq) { dev_err(&pdev->dev, "Failed to get IRQ\n"); err = -ENODEV; - goto fail; + goto fail_io; } if (pdata->phy_init) @@ -151,23 +151,19 @@ static int __devinit s5p_ehci_probe(struct platform_device *pdev) err = usb_add_hcd(hcd, irq, IRQF_SHARED); if (err) { dev_err(&pdev->dev, "Failed to add USB HCD\n"); - goto fail; + goto fail_io; } platform_set_drvdata(pdev, s5p_ehci); return 0; -fail: - iounmap(hcd->regs); fail_io: clk_disable(s5p_ehci->clk); fail_clken: clk_put(s5p_ehci->clk); fail_clk: usb_put_hcd(hcd); -fail_hcd: - kfree(s5p_ehci); return err; } @@ -182,13 +178,10 @@ static int __devexit s5p_ehci_remove(struct platform_device *pdev) if (pdata && pdata->phy_exit) pdata->phy_exit(pdev, S5P_USB_PHY_HOST); - iounmap(hcd->regs); - clk_disable(s5p_ehci->clk); clk_put(s5p_ehci->clk); usb_put_hcd(hcd); - kfree(s5p_ehci); return 0; } |