Merge "usb: xhci-plat: Add support to modify imod from sysfs" (9828e52b) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/usb/host/xhci-plat.c

+33 −0

Original line number	Diff line number	Diff line
		@@ -148,6 +148,33 @@ static const struct of_device_id usb_xhci_of_match[] = {
		MODULE_DEVICE_TABLE(of, usb_xhci_of_match);
		#endif

		static ssize_t config_imod_store(struct device *pdev,
		struct device_attribute attr, const char buff, size_t size)
		{
		struct usb_hcd *hcd = dev_get_drvdata(pdev);
		struct xhci_hcd *xhci = hcd_to_xhci(hcd);
		u32 imod;

		if (kstrtouint(buff, 10, &imod) != 1)
		return 0;

		xhci = hcd_to_xhci(hcd);
		xhci->imod_interval = imod;

		return size;
		}

		static ssize_t config_imod_show(struct device *pdev,
		struct device_attribute attr, char buff)
		{
		struct usb_hcd *hcd = dev_get_drvdata(pdev);
		struct xhci_hcd *xhci = hcd_to_xhci(hcd);

		return snprintf(buff, PAGE_SIZE, "%08u\n", xhci->imod_interval);
		}

		static DEVICE_ATTR_RW(config_imod);

		static int xhci_plat_probe(struct platform_device *pdev)
		{
		const struct xhci_plat_priv *priv_match;
		@@ -310,6 +337,11 @@ static int xhci_plat_probe(struct platform_device *pdev)
		if (ret)
		goto dealloc_usb2_hcd;

		ret = device_create_file(&pdev->dev, &dev_attr_config_imod);
		if (ret)
		dev_err(&pdev->dev, "%s: unable to create imod sysfs entry\n",
		__func__);

		device_enable_async_suspend(&pdev->dev);
		pm_runtime_put_noidle(&pdev->dev);

		@@ -356,6 +388,7 @@ static int xhci_plat_remove(struct platform_device *dev)

		xhci->xhc_state \|= XHCI_STATE_REMOVING;

		device_remove_file(&dev->dev, &dev_attr_config_imod);
		usb_remove_hcd(xhci->shared_hcd);
		usb_phy_shutdown(hcd->usb_phy);