diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/820-usb-0020-MLK-16604-1-usb-host-xhci-plat-add-XHCI_MISSING_CAS-.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/820-usb-0020-MLK-16604-1-usb-host-xhci-plat-add-XHCI_MISSING_CAS-.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/820-usb-0020-MLK-16604-1-usb-host-xhci-plat-add-XHCI_MISSING_CAS-.patch b/target/linux/layerscape/patches-5.4/820-usb-0020-MLK-16604-1-usb-host-xhci-plat-add-XHCI_MISSING_CAS-.patch new file mode 100644 index 0000000000..ff150319ed --- /dev/null +++ b/target/linux/layerscape/patches-5.4/820-usb-0020-MLK-16604-1-usb-host-xhci-plat-add-XHCI_MISSING_CAS-.patch @@ -0,0 +1,29 @@ +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); |