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28 lines
932 B
Diff
28 lines
932 B
Diff
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From 355f342af78a54051f38ffa4b4018e6ea6b9e3d4 Mon Sep 17 00:00:00 2001
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From: Li Jun <jun.li@nxp.com>
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Date: Mon, 28 Jan 2019 11:19:03 +0800
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Subject: [PATCH] usb: dwc3: gadget: increase timeout value for send ep cmd
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In case the USB3 PHY enters P3, then ep command may need a long
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time to complete, per test of ep0out enable, the dwc3 trace time
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stamp shows the time is more then 280us, so increase the timeout
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loop count to be 2000, this has no side effect for HW which has
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no this problem.
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Signed-off-by: Li Jun <jun.li@nxp.com>
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---
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drivers/usb/dwc3/gadget.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/usb/dwc3/gadget.c
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+++ b/drivers/usb/dwc3/gadget.c
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@@ -270,7 +270,7 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_
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{
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const struct usb_endpoint_descriptor *desc = dep->endpoint.desc;
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struct dwc3 *dwc = dep->dwc;
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- u32 timeout = 1000;
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+ u32 timeout = 2000;
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u32 saved_config = 0;
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u32 reg;
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