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usb: renesas_usbhs: add extcon notifier to set mode for non-otg channel

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This patch adds extcon notifier callback to set the mode of
host/peripheral by using extcon state (e.g phy-rcar-gen3-usb2) for
non-otg channel (e.g. R-Car D3).

[Fengguang Wu: fixed sparse warning]

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

usb: renesas_usbhs: usbhs_rcar3_notifier() can be static

Fixes: 3a7cce26122e ("usb: renesas_usbhs: add extcon notifier to set mode for non-otg channel")
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Yoshihiro Shimoda
2017-12-13 15:47:00 +09:00
committed by Felipe Balbi
parent cd14247d5c
commit 8ada211d03
3 changed files with 21 additions and 0 deletions
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9
drivers/usb/renesas_usbhs/common.c
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@@ -581,6 +581,15 @@ static int usbhs_probe(struct platform_device *pdev)
break;
case USBHS_TYPE_RCAR_GEN3_WITH_PLL:
priv->pfunc = usbhs_rcar3_with_pll_ops;
if (!IS_ERR_OR_NULL(priv->edev)) {
priv->nb.notifier_call = priv->pfunc.notifier;
ret = devm_extcon_register_notifier(&pdev->dev,
priv->edev,
EXTCON_USB_HOST,
&priv->nb);
if (ret < 0)
dev_err(&pdev->dev, "no notifier registered\n");
}
break;
default:
if (!info->platform_callback.get_id) {