2020-04-10 02:47:05 +00:00
|
|
|
From 0767542941c535ebb156087593426bb1fb25e967 Mon Sep 17 00:00:00 2001
|
|
|
|
|
From: Li Jun <jun.li@nxp.com>
|
|
|
|
|
Date: Tue, 28 Nov 2017 21:43:18 +0800
|
|
|
|
|
Subject: [PATCH] MLK-16604-1 usb: host: xhci-plat: add XHCI_MISSING_CAS quirk
|
|
|
|
|
|
|
|
|
|
i.MX8MQ USB3 host needs XHCI_MISSING_CAS quirk to warm reset the port to
|
|
|
|
|
enum the USB3 device plugged in while system sleep, as the port state is
|
|
|
|
|
stuck in polling mode after resume.
|
|
|
|
|
|
|
|
|
|
Signed-off-by: Li Jun <jun.li@nxp.com>
|
|
|
|
|
Acked-by: Peter Chen <peter.chen@nxp.com>
|
|
|
|
|
(cherry picked from commit 9f1f4316775a061d3ad46c63f84a377e2ffd015d)
|
|
|
|
|
---
|
|
|
|
|
drivers/usb/host/xhci-plat.c | 4 ++++
|
|
|
|
|
1 file changed, 4 insertions(+)
|
|
|
|
|
|
|
|
|
|
--- a/drivers/usb/host/xhci-plat.c
|
|
|
|
|
+++ b/drivers/usb/host/xhci-plat.c
|
2021-02-10 16:20:24 +00:00
|
|
|
@@ -303,6 +303,10 @@ static int xhci_plat_probe(struct platfo
|
2020-04-10 02:47:05 +00:00
|
|
|
|
|
|
|
|
device_property_read_u32(tmpdev, "imod-interval-ns",
|
|
|
|
|
&xhci->imod_interval);
|
|
|
|
|
+
|
|
|
|
|
+ if (device_property_read_bool(tmpdev,
|
|
|
|
|
+ "usb3-resume-missing-cas"))
|
|
|
|
|
+ xhci->quirks |= XHCI_MISSING_CAS;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
hcd->usb_phy = devm_usb_get_phy_by_phandle(sysdev, "usb-phy", 0);
|
