diff options
| -rw-r--r-- | drivers/usb/core/hcd-pci.c | 3 | ||||
| -rw-r--r-- | drivers/usb/core/quirks.c | 37 | ||||
| -rw-r--r-- | drivers/usb/host/pci-quirks.c | 12 | ||||
| -rw-r--r-- | include/linux/usb/hcd.h | 3 |
4 files changed, 55 insertions, 0 deletions
diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index b9d3c43e385..dfe9d0f2297 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -215,6 +215,9 @@ int usb_hcd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) goto disable_pci; } + hcd->amd_resume_bug = (usb_hcd_amd_remote_wakeup_quirk(dev) && + driver->flags & (HCD_USB11 | HCD_USB3)) ? 1 : 0; + if (driver->flags & HCD_MEMORY) { /* EHCI, OHCI */ hcd->rsrc_start = pci_resource_start(dev, 0); diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 5b44cd47da5..74d18c8b7a8 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -13,6 +13,7 @@ #include <linux/usb.h> #include <linux/usb/quirks.h> +#include <linux/usb/hcd.h> #include "usb.h" /* Lists of quirky USB devices, split in device quirks and interface quirks. @@ -155,6 +156,21 @@ static const struct usb_device_id usb_interface_quirk_list[] = { { } /* terminating entry must be last */ }; +static const struct usb_device_id usb_amd_resume_quirk_list[] = { + /* Lenovo Mouse with Pixart controller */ + { USB_DEVICE(0x17ef, 0x602e), .driver_info = USB_QUIRK_RESET_RESUME }, + + /* Pixart Mouse */ + { USB_DEVICE(0x093a, 0x2500), .driver_info = USB_QUIRK_RESET_RESUME }, + { USB_DEVICE(0x093a, 0x2510), .driver_info = USB_QUIRK_RESET_RESUME }, + { USB_DEVICE(0x093a, 0x2521), .driver_info = USB_QUIRK_RESET_RESUME }, + + /* Logitech Optical Mouse M90/M100 */ + { USB_DEVICE(0x046d, 0xc05a), .driver_info = USB_QUIRK_RESET_RESUME }, + + { } /* terminating entry must be last */ +}; + static bool usb_match_any_interface(struct usb_device *udev, const struct usb_device_id *id) { @@ -181,6 +197,18 @@ static bool usb_match_any_interface(struct usb_device *udev, return false; } +int usb_amd_resume_quirk(struct usb_device *udev) +{ + struct usb_hcd *hcd; + + hcd = bus_to_hcd(udev->bus); + /* The device should be attached directly to root hub */ + if (udev->level == 1 && hcd->amd_resume_bug == 1) + return 1; + + return 0; +} + static u32 __usb_detect_quirks(struct usb_device *udev, const struct usb_device_id *id) { @@ -206,6 +234,15 @@ static u32 __usb_detect_quirks(struct usb_device *udev, void usb_detect_quirks(struct usb_device *udev) { udev->quirks = __usb_detect_quirks(udev, usb_quirk_list); + + /* + * Pixart-based mice would trigger remote wakeup issue on AMD + * Yangtze chipset, so set them as RESET_RESUME flag. + */ + if (usb_amd_resume_quirk(udev)) + udev->quirks |= __usb_detect_quirks(udev, + usb_amd_resume_quirk_list); + if (udev->quirks) dev_dbg(&udev->dev, "USB quirks for this device: %x\n", udev->quirks); diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index d1e68d887f6..17eb1916e65 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -250,6 +250,18 @@ commit: } EXPORT_SYMBOL_GPL(usb_amd_find_chipset_info); +int usb_hcd_amd_remote_wakeup_quirk(struct pci_dev *pdev) +{ + /* Make sure amd chipset type has already been initialized */ + usb_amd_find_chipset_info(); + if (amd_chipset.sb_type.gen != AMD_CHIPSET_YANGTZE) + return 0; + + dev_dbg(&pdev->dev, "QUIRK: Enable AMD remote wakeup fix\n"); + return 1; +} +EXPORT_SYMBOL_GPL(usb_hcd_amd_remote_wakeup_quirk); + /* * The hardware normally enables the A-link power management feature, which * lets the system lower the power consumption in idle states. diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index 8c865134c88..fc64b6825f5 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -141,6 +141,7 @@ struct usb_hcd { unsigned wireless:1; /* Wireless USB HCD */ unsigned authorized_default:1; unsigned has_tt:1; /* Integrated TT in root hub */ + unsigned amd_resume_bug:1; /* AMD remote wakeup quirk */ unsigned int irq; /* irq allocated */ void __iomem *regs; /* device memory/io */ @@ -435,6 +436,8 @@ extern int usb_hcd_pci_probe(struct pci_dev *dev, extern void usb_hcd_pci_remove(struct pci_dev *dev); extern void usb_hcd_pci_shutdown(struct pci_dev *dev); +extern int usb_hcd_amd_remote_wakeup_quirk(struct pci_dev *dev); + #ifdef CONFIG_PM extern const struct dev_pm_ops usb_hcd_pci_pm_ops; #endif |