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From e315036cdbf8dad7cff4df9dfe8bcff2eddf2277 Mon Sep 17 00:00:00 2001
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From: Chunfeng Yun <chunfeng.yun@mediatek.com>
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Date: Fri, 13 Oct 2017 17:10:45 +0800
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Subject: [PATCH 111/224] usb: mtu3: set invalid dr_mode as dual-role mode
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Treat dr_mode of USB_DR_MODE_UNKNOWN as USB_DR_MODE_OTG to
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enhance functional robustness.
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Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
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Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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---
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drivers/usb/mtu3/mtu3_plat.c | 6 ++----
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1 file changed, 2 insertions(+), 4 deletions(-)
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--- a/drivers/usb/mtu3/mtu3_plat.c
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+++ b/drivers/usb/mtu3/mtu3_plat.c
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@@ -283,10 +283,8 @@ static int get_ssusb_rscs(struct platfor
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return PTR_ERR(ssusb->ippc_base);
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ssusb->dr_mode = usb_get_dr_mode(dev);
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- if (ssusb->dr_mode == USB_DR_MODE_UNKNOWN) {
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- dev_err(dev, "dr_mode is error\n");
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- return -EINVAL;
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- }
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+ if (ssusb->dr_mode == USB_DR_MODE_UNKNOWN)
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+ ssusb->dr_mode = USB_DR_MODE_OTG;
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if (ssusb->dr_mode == USB_DR_MODE_PERIPHERAL)
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return 0;
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