diff mbox series

[v5,3/3] usb: dwc3: Pass quirk as platform data

Message ID ea34abd77a34e9587fb49868050e152094cf1403.1602853270.git.joglekar@synopsys.com (mailing list archive)
State Superseded
Headers show
Series Add logic to consolidate TRBs for Synopsys xHC | expand

Commit Message

Tejas Joglekar Oct. 16, 2020, 1:05 p.m. UTC 
This commit adds the platform device data to setup
the XHCI_SG_TRB_CACHE_SIZE_QUIRK quirk. DWC3 hosts
which are PCI devices does not use OF to create platform device
but create xhci-plat platform device at runtime. So
this patch allows parent device to supply the quirk
through platform data.

Signed-off-by: Tejas Joglekar <joglekar@synopsys.com>
---
 drivers/usb/dwc3/host.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff mbox series

Patch

diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
index e195176580de..0434bc8cec12 100644
--- a/drivers/usb/dwc3/host.c
+++ b/drivers/usb/dwc3/host.c
@@ -11,6 +11,11 @@ 
 #include <linux/platform_device.h>
 
 #include "core.h"
+#include "../host/xhci-plat.h"
+
+static const struct xhci_plat_priv dwc3_pdata = {
+	.quirks = XHCI_SG_TRB_CACHE_SIZE_QUIRK,
+};
 
 static int dwc3_host_get_irq(struct dwc3 *dwc)
 {
@@ -87,6 +92,11 @@  int dwc3_host_init(struct dwc3 *dwc)
 		goto err;
 	}
 
+	ret = platform_device_add_data(xhci, &dwc3_pdata, sizeof(dwc3_pdata));
+	if (ret) {
+		dev_err(dwc->dev, "couldn't add platform data to xHCI device\n");
+		goto err;
+	}
 	memset(props, 0, sizeof(struct property_entry) * ARRAY_SIZE(props));
 
 	if (dwc->usb3_lpm_capable)