From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/usb/host/xhci-ext-caps.c | 19 +++++++++++++++++++
1 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/kernel/drivers/usb/host/xhci-ext-caps.c b/kernel/drivers/usb/host/xhci-ext-caps.c
index 399113f..3351d07 100644
--- a/kernel/drivers/usb/host/xhci-ext-caps.c
+++ b/kernel/drivers/usb/host/xhci-ext-caps.c
@@ -6,10 +6,19 @@
*/
#include <linux/platform_device.h>
+#include <linux/property.h>
+#include <linux/pci.h>
#include "xhci.h"
#define USB_SW_DRV_NAME "intel_xhci_usb_sw"
#define USB_SW_RESOURCE_SIZE 0x400
+
+#define PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI 0x22b5
+
+static const struct property_entry role_switch_props[] = {
+ PROPERTY_ENTRY_BOOL("sw_switch_disable"),
+ {},
+};
static void xhci_intel_unregister_pdev(void *arg)
{
@@ -21,6 +30,7 @@
struct usb_hcd *hcd = xhci_to_hcd(xhci);
struct device *dev = hcd->self.controller;
struct platform_device *pdev;
+ struct pci_dev *pci = to_pci_dev(dev);
struct resource res = { 0, };
int ret;
@@ -43,6 +53,15 @@
return ret;
}
+ if (pci->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI) {
+ ret = platform_device_add_properties(pdev, role_switch_props);
+ if (ret) {
+ dev_err(dev, "failed to register device properties\n");
+ platform_device_put(pdev);
+ return ret;
+ }
+ }
+
pdev->dev.parent = dev;
ret = platform_device_add(pdev);
--
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