From: Krzysztof Kozlowski <krzk@kernel.org>
To: Akash Kumar <akash.kumar@oss.qualcomm.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH] arm64: defconfig: Enable USB_UAS in arm64 configuration
Date: Thu, 11 Jun 2026 11:20:37 +0200 [thread overview]
Message-ID: <d30e1417-1cff-43bd-a459-435f05b8a490@kernel.org> (raw)
In-Reply-To: <20260611090946.2790631-1-akash.kumar@oss.qualcomm.com>
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@qti.qualcomm.com>
> ---
> 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
prev parent reply other threads:[~2026-06-11 9:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-11 9:09 [PATCH] arm64: defconfig: Enable USB_UAS in arm64 configuration Akash Kumar
2026-06-11 9:15 ` sashiko-bot
2026-06-11 9:24 ` Krzysztof Kozlowski
2026-06-11 9:20 ` Krzysztof Kozlowski [this message]
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