usb: host: xhci-plat: Add support for XHCI_SG_TRB_CACHE_SIZE_QUIRK

Upstream commit bac1ec551434 ("usb: xhci: Set quirk for
XHCI_SG_TRB_CACHE_SIZE_QUIRK") introduced a new quirk in XHCI
which fixes XHC timeout, which was seen on synopsys XHCs while
using SG buffers. Currently this quirk can only be set using
xhci private data. But there are some drivers like dwc3/host.c
which adds adds quirks using software node for xhci device.
Hence set this xhci quirk by iterating over device properties.

Cc: stable@vger.kernel.org # 5.11
Fixes: bac1ec551434 ("usb: xhci: Set quirk for XHCI_SG_TRB_CACHE_SIZE_QUIRK")
Signed-off-by: Prashanth K <quic_prashk@quicinc.com>
Link: https://lore.kernel.org/r/20240116055816.1169821-3-quic_prashk@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index f04fde19f5514bed72d25aca8e6f07582b563ebb..3d071b8753088a5437c2e9f82031a6db4ad91208 100644 (file)
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -253,6 +253,9 @@ 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, "xhci-sg-trb-cache-size-quirk"))
+                       xhci->quirks |= XHCI_SG_TRB_CACHE_SIZE_QUIRK;
+
                device_property_read_u32(tmpdev, "imod-interval-ns",
                                         &xhci->imod_interval);
        }