This is a note to let you know that I've just added the patch titled
usb: dwc3: pci: Enable dis_uX_susphy_quirk for Intel Merrifield
to the 5.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-dwc3-pci-enable-dis_ux_susphy_quirk-for-intel-me.patch
and it can be found in the queue-5.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 4979ad4f9cbd1e6f8cab0f3defb494124665c9fb
Author: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Date: Mon Mar 22 14:52:44 2021 +0200
usb: dwc3: pci: Enable dis_uX_susphy_quirk for Intel Merrifield
[ Upstream commit b522f830d35189e0283fa4d5b4b3ef8d7a78cfcb ]
It seems that on Intel Merrifield platform the USB PHY shouldn't be suspended.
Otherwise it can't be enabled by simply change the cable in the connector.
Enable corresponding quirk for the platform in question.
Fixes: e5f4ca3fce90 ("usb: dwc3: ulpi: Fix USB2.0 HS/FS/LS PHY suspend regression")
Suggested-by: Serge Semin <fancer.lancer@xxxxxxxxx>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210322125244.79407-1-andriy.shevchenko@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index bae6a70664c8..598daed8086f 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -118,6 +118,8 @@ static const struct property_entry dwc3_pci_intel_properties[] = {
static const struct property_entry dwc3_pci_mrfld_properties[] = {
PROPERTY_ENTRY_STRING("dr_mode", "otg"),
PROPERTY_ENTRY_STRING("linux,extcon-name", "mrfld_bcove_pwrsrc"),
+ PROPERTY_ENTRY_BOOL("snps,dis_u3_susphy_quirk"),
+ PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"),
PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
{}
};
