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| author | Thomas Abraham <thomas.ab@samsung.com> | 2013-05-27 18:42:12 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-30 21:34:29 +0900 |
| commit | e6b0166f2106e087a197c528eb1e465071f5225b (patch) | |
| tree | 817fd6569d5fec300500a5aa32ea6312d91f1ab8 /drivers/usb/host/ehci-s5p.c | |
| parent | 715cf92aeb061c47f7170d0d7899311b7597bc66 (diff) | |
| download | linux-e6b0166f2106e087a197c528eb1e465071f5225b.tar.gz linux-e6b0166f2106e087a197c528eb1e465071f5225b.tar.bz2 linux-e6b0166f2106e087a197c528eb1e465071f5225b.zip | |
usb: ehci-s5p: skip phy setup for Exynos5440 based platforms
Exynos5440 does not require any explict USB phy configuration. So skip
the USB phy configuration for Exynos5440 based platforms.
Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Ackked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/ehci-s5p.c')
| -rw-r--r-- | drivers/usb/host/ehci-s5p.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c index 379037f51a2f..7cc26e621aa7 100644 --- a/drivers/usb/host/ehci-s5p.c +++ b/drivers/usb/host/ehci-s5p.c @@ -50,6 +50,8 @@ struct s5p_ehci_hcd { struct s5p_ehci_platdata *pdata; }; +static struct s5p_ehci_platdata empty_platdata; + #define to_s5p_ehci(hcd) (struct s5p_ehci_hcd *)(hcd_to_ehci(hcd)->priv) static void s5p_setup_vbus_gpio(struct platform_device *pdev) @@ -101,6 +103,13 @@ static int s5p_ehci_probe(struct platform_device *pdev) return -ENOMEM; } s5p_ehci = to_s5p_ehci(hcd); + + if (of_device_is_compatible(pdev->dev.of_node, + "samsung,exynos5440-ehci")) { + s5p_ehci->pdata = &empty_platdata; + goto skip_phy; + } + phy = devm_usb_get_phy(&pdev->dev, USB_PHY_TYPE_USB2); if (IS_ERR(phy)) { /* Fallback to pdata */ @@ -116,6 +125,8 @@ static int s5p_ehci_probe(struct platform_device *pdev) s5p_ehci->otg = phy->otg; } +skip_phy: + s5p_ehci->clk = devm_clk_get(&pdev->dev, "usbhost"); if (IS_ERR(s5p_ehci->clk)) { @@ -277,6 +288,7 @@ static const struct dev_pm_ops s5p_ehci_pm_ops = { #ifdef CONFIG_OF static const struct of_device_id exynos_ehci_match[] = { { .compatible = "samsung,exynos4210-ehci" }, + { .compatible = "samsung,exynos5440-ehci" }, {}, }; MODULE_DEVICE_TABLE(of, exynos_ehci_match); |