diff mbox series

[RESEND,1/2] usb: host: xhci-plat: Add quirk-no-64-bit-support

Message ID 20231101101625.4151442-2-mnkumar@google.com (mailing list archive)
State New, archived
Headers show
Series Add a quirk in xhci-plat for parent nodes to specify no 64 bit support | expand

Commit Message

Naveen Kumar Nov. 1, 2023, 10:16 a.m. UTC 
From: Naveen Kumar M <mnkumar@google.com>

This patch exposes the existing quirk XHCI_NO_64BIT_SUPPORT so that dwc3
clients can also use this flag. Despite HCCPARAMS1 being set to 1 some
clients may not support 64 bit addressing.

Signed-off-by: Naveen Kumar M <mnkumar@google.com>
---
 drivers/usb/host/xhci-plat.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index b93161374293..d5f37decb7da 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -249,6 +249,9 @@  int xhci_plat_probe(struct platform_device *pdev, struct device *sysdev, const s
 		if (device_property_read_bool(tmpdev, "quirk-broken-port-ped"))
 			xhci->quirks |= XHCI_BROKEN_PORT_PED;
 
+		if (device_property_read_bool(tmpdev, "quirk-no-64-bit-support"))
+			xhci->quirks |= XHCI_NO_64BIT_SUPPORT;
+
 		device_property_read_u32(tmpdev, "imod-interval-ns",
 					 &xhci->imod_interval);
 	}