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authorFerry Toth <ftoth@exalondelft.nl>2021-04-25 18:09:47 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-05-19 11:13:15 +0300
commit42bb80ae01657b8201ea8b5fa6ac96e272429383 (patch)
treebd0ee06da67593b65bafe1ab8c2d27e5e57ade48
parent95e3da5b53baae5a75567be9b0449953d08545e2 (diff)
downloadlinux-42bb80ae01657b8201ea8b5fa6ac96e272429383.tar.xz
usb: dwc3: pci: Enable usb2-gadget-lpm-disable for Intel Merrifield
commit 04357fafea9c7ed34525eb9680c760245c3bb958 upstream. On Intel Merrifield LPM is causing host to reset port after a timeout. By disabling LPM entirely this is prevented. Fixes: 066c09593454 ("usb: dwc3: pci: Enable extcon driver for Intel Merrifield") Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Ferry Toth <ftoth@exalondelft.nl> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210425150947.5862-1-ftoth@exalondelft.nl Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/dwc3/dwc3-pci.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 598daed8086f..17117870f6ce 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -120,6 +120,7 @@ static const struct property_entry dwc3_pci_mrfld_properties[] = {
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("snps,usb2-gadget-lpm-disable"),
PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
{}
};