From: "Chang, Rebecca Swee Fun" <[email protected]>
Baytrail has 2 USB controllers, namely, EHCI controller and XHCI controller. This patch will add PCI device ID for Baytrail to have USB EHCI and XHCI controller support. Signed-off-by: Chang, Rebecca Swee Fun <[email protected]> --- ...upport-for-Intel-Baytrail-USB-controllers.patch | 60 ++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 meta/cfg/kernel-cache/features/valleyisland-io/0011-usb-add-support-for-Intel-Baytrail-USB-controllers.patch diff --git a/meta/cfg/kernel-cache/features/valleyisland-io/0011-usb-add-support-for-Intel-Baytrail-USB-controllers.patch b/meta/cfg/kernel-cache/features/valleyisland-io/0011-usb-add-support-for-Intel-Baytrail-USB-controllers.patch new file mode 100644 index 0000000..f0978ee --- /dev/null +++ b/meta/cfg/kernel-cache/features/valleyisland-io/0011-usb-add-support-for-Intel-Baytrail-USB-controllers.patch @@ -0,0 +1,60 @@ +usb: add support for Baytrail USB controllers + +Intel Baytrail has 1 EHCI controller and 1 XHCI controller. + +Signed-off-by: Chang, Rebecca Swee Fun <[email protected]> +--- + drivers/usb/host/ehci-pci.c | 3 ++- + drivers/usb/host/pci-quirks.c | 12 +++++++++++- + 2 files changed, 13 insertions(+), 2 deletions(-) + +diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c +index 170b939..2f9e35a 100644 +--- a/drivers/usb/host/ehci-pci.c ++++ b/drivers/usb/host/ehci-pci.c +@@ -332,7 +332,8 @@ static bool usb_is_intel_switchable_ehci(struct pci_dev *pdev) + (pdev->device == 0x1E26 || + pdev->device == 0x8C2D || + pdev->device == 0x8C26 || +- pdev->device == 0x9C26); ++ pdev->device == 0x9C26 || ++ pdev->device == 0x0F34); + } + + static void ehci_enable_xhci_companion(void) +diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c +index 4c338ec..4375c5e 100644 +--- a/drivers/usb/host/pci-quirks.c ++++ b/drivers/usb/host/pci-quirks.c +@@ -724,6 +724,7 @@ static int handshake(void __iomem *ptr, u32 mask, u32 done, + + #define PCI_DEVICE_ID_INTEL_LYNX_POINT_XHCI 0x8C31 + #define PCI_DEVICE_ID_INTEL_LYNX_POINT_LP_XHCI 0x9C31 ++#define PCI_DEVICE_ID_INTEL_BYT_XHCI 0x0F35 + + bool usb_is_intel_ppt_switchable_xhci(struct pci_dev *pdev) + { +@@ -741,10 +742,19 @@ bool usb_is_intel_lpt_switchable_xhci(struct pci_dev *pdev) + pdev->device == PCI_DEVICE_ID_INTEL_LYNX_POINT_LP_XHCI); + } + ++/* The Intel BYT also has switchable ports. */ ++bool usb_is_intel_byt_switchable_xhci(struct pci_dev *pdev) ++{ ++ return pdev->class == PCI_CLASS_SERIAL_USB_XHCI && ++ pdev->vendor == PCI_VENDOR_ID_INTEL && ++ pdev->device == PCI_DEVICE_ID_INTEL_BYT_XHCI; ++} ++ + bool usb_is_intel_switchable_xhci(struct pci_dev *pdev) + { + return usb_is_intel_ppt_switchable_xhci(pdev) || +- usb_is_intel_lpt_switchable_xhci(pdev); ++ usb_is_intel_lpt_switchable_xhci(pdev)|| ++ usb_is_intel_byt_switchable_xhci(pdev); + } + EXPORT_SYMBOL_GPL(usb_is_intel_switchable_xhci); + +-- +1.7.10.4 + -- 1.7.10.4 _______________________________________________ linux-yocto mailing list [email protected] https://lists.yoctoproject.org/listinfo/linux-yocto
