Re: [PATCH] arm64: defconfig: Enable USB_UAS in arm64 configuration

[Krzysztof Kozlowski]

On 11/06/2026 11:09, Akash Kumar wrote:
> The USB Attached SCSI (UAS) protocol is supported by many modern USB
> storage devices. It provides significantly higher performance than the
> legacy Mass Storage Class (MSC) by supporting multiple outstanding
> commands and command queuing.
> 
> Enable CONFIG_USB_UAS=y in the default arm64 configuration to provide
> better out-of-the-box performance for USB storage devices on arm64
> platforms.

Anyone in upstream actually uses it for development? Care to show some
examples?

This is not a distro config, you know...

> 
> Signed-off-by: Akash Kumar <akakum@xxxxxxxxxxxxxxxx>
> ---
>  arch/arm64/configs/defconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index d905a0777f93..f82e9df77941 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -1216,6 +1216,7 @@ CONFIG_USB_RENESAS_USBHS_HCD=m
>  CONFIG_USB_RENESAS_USBHS=m
>  CONFIG_USB_ACM=m
>  CONFIG_USB_STORAGE=y
> +CONFIG_USB_UAS=y

For sure not built-in...


Best regards,
Krzysztof