Re: [PATCH v2 5/5] usb: host: xhci-plat: Add support for XHCI_WRITE_64_HI_LO_QUIRK

Krzysztof Kozlowski
2024-05-31T08:12:40Z

On 31/05/2024 08:07, Daehwan Jung wrote:
> This is set by dwc3 parent node to support writing high-low order.
>
> Signed-off-by: Daehwan Jung <dh10.jung@samsung.com>
> ---
> drivers/usb/host/xhci-plat.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
> index 3d071b8..31bdfa5 100644
> --- a/drivers/usb/host/xhci-plat.c
> +++ b/drivers/usb/host/xhci-plat.c
> @@ -256,6 +256,9 @@ int xhci_plat_probe(struct platform_device *pdev, struct device *sysdev, const s
> if (device_property_read_bool(tmpdev, "xhci-sg-trb-cache-size-quirk"))
> xhci->quirks |= XHCI_SG_TRB_CACHE_SIZE_QUIRK;
>
> + if (device_property_read_bool(tmpdev, "write-64-hi-lo-quirk"))
> + xhci->quirks |= XHCI_WRITE_64_HI_LO;

Where is any user of this property (DTS)? Just to clarify: your
downstream does not matter really.

Best regards,
Krzysztof