openwrt/target/linux/layerscape/patches-5.4/820-usb-0020-MLK-16604-1-usb-host-xhci-plat-add-XHCI_MISSING_CAS-.patch
Yangbo Lu cddd459140 layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/

For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.

The patches are sorted into the following categories:
  301-arch-xxxx
  302-dts-xxxx
  303-core-xxxx
  701-net-xxxx
  801-audio-xxxx
  802-can-xxxx
  803-clock-xxxx
  804-crypto-xxxx
  805-display-xxxx
  806-dma-xxxx
  807-gpio-xxxx
  808-i2c-xxxx
  809-jailhouse-xxxx
  810-keys-xxxx
  811-kvm-xxxx
  812-pcie-xxxx
  813-pm-xxxx
  814-qe-xxxx
  815-sata-xxxx
  816-sdhc-xxxx
  817-spi-xxxx
  818-thermal-xxxx
  819-uart-xxxx
  820-usb-xxxx
  821-vfio-xxxx

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
2020-05-07 12:53:06 +02:00

30 lines
1.0 KiB
Diff

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
@@ -291,6 +291,10 @@ static int xhci_plat_probe(struct platfo
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);