On 6/8/2020 12:26 PM, Nicolas Saenz Julienne wrote:
> The board doesn't need the quirks to be run, and takes case of its own
(if you have to resubmit) takes care
> initialization trough a reset controller device. So let's bypass it
its quirk.
> quirk.
>
> Signed-off-by: Nicolas Saenz Julienne <[email protected]>
> ---
> drivers/usb/host/pci-quirks.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
> index 92150ecdb036..4b3be05d1290 100644
> --- a/drivers/usb/host/pci-quirks.c
> +++ b/drivers/usb/host/pci-quirks.c
> @@ -16,6 +16,8 @@
> #include <linux/export.h>
> #include <linux/acpi.h>
> #include <linux/dmi.h>
> +#include <linux/of.h>
> +
> #include "pci-quirks.h"
> #include "xhci-ext-caps.h"
>
> @@ -1248,6 +1250,16 @@ static void quirk_usb_early_handoff(struct pci_dev
> *pdev)
> */
> if (pdev->vendor == 0x184e) /* vendor Netlogic */
> return;
> +
> + /*
> + * Bypass the Raspberry Pi 4 controller xHCI controller, things are
> + * taken care by the board's co-processor.
taken care of by.
With that:
Reviewed-by: Florian Fainelli <[email protected]>
> + */
> + if (pdev->vendor == PCI_VENDOR_ID_VIA && pdev->device == 0x3483 &&
> + of_device_is_compatible(of_get_parent(pdev->bus->dev.of_node),
> + "brcm,bcm2711-pcie"))
> + return;
> +
> if (pdev->class != PCI_CLASS_SERIAL_USB_UHCI &&
> pdev->class != PCI_CLASS_SERIAL_USB_OHCI &&
> pdev->class != PCI_CLASS_SERIAL_USB_EHCI &&
>
--
Florian
