From: Sumit Garg <sumit.garg@kernel.org>
To: Balaji Selvanathan <balaji.selvanathan@oss.qualcomm.com>
Cc: trini@konsulko.com, casey.connolly@linaro.org,
neil.armstrong@linaro.org, lukma@denx.de,
aswin.murugan@oss.qualcomm.com, rui.silva@linaro.org,
david.wronek@mainlining.org, ilias.apalodimas@linaro.org,
luca.weiss@fairphone.com, jorge.ramirez@oss.qualcomm.com,
stephan.gerhold@linaro.org, quic_varada@quicinc.com,
u-boot-qcom@groups.io, u-boot@lists.denx.de
Subject: Re: [PATCH v1 3/3] board: qualcomm: Remove SCSI scan from default preboot environment
Date: Tue, 27 Jan 2026 12:55:31 +0530 [thread overview]
Message-ID: <aXhoa9sfIhoMZWq0@sumit-xelite> (raw)
In-Reply-To: <20260126155938.2717540-4-balaji.selvanathan@oss.qualcomm.com>
On Mon, Jan 26, 2026 at 09:29:38PM +0530, Balaji Selvanathan wrote:
> Remove "scsi scan" from the preboot command sequence in the default
> Qualcomm board environment.
This is the default environment configuration expected to work on all
Qcom platforms, wouln't it break platforms supporting UFS boot?
> The SCSI scan command fails on eMMC-based
> boot configurations, causing unnecessary boot delays and potential
> error messages during the preboot phase.
Say if UFS isn't supported as the boot target then this SCSI scan should
just bail out. Can you share the error messages and boot delays seen
here?
-Sumit
>
> This change improves boot reliability on platforms using eMMC storage
> as the primary boot device.
>
> Signed-off-by: Balaji Selvanathan <balaji.selvanathan@oss.qualcomm.com>
> ---
> board/qualcomm/default.env | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/board/qualcomm/default.env b/board/qualcomm/default.env
> index dbf6f4e7260..7cfa8e0ce2a 100644
> --- a/board/qualcomm/default.env
> +++ b/board/qualcomm/default.env
> @@ -1,7 +1,7 @@
> stdin=serial,button-kbd
> stdout=serial,vidconsole
> stderr=serial,vidconsole
> -preboot=scsi scan; usb start
> +preboot=usb start
> fastboot=fastboot -l $fastboot_addr_r usb 0
> do_boot=bootefi bootmgr
> bootmenu_0=Boot first available device=run do_boot
> --
> 2.34.1
>
next prev parent reply other threads:[~2026-01-27 7:25 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-26 15:59 [PATCH v1 0/3] Enable eMMC/SDCC support for QCS615 platform Balaji Selvanathan
2026-01-26 15:59 ` [PATCH v1 1/3] clk: qcom: Add QCS615 SDCC clock support and RPMH-CLK compatibility Balaji Selvanathan
2026-01-27 6:28 ` Sumit Garg
2026-02-09 18:56 ` Casey Connolly
2026-01-26 15:59 ` [PATCH v1 2/3] arm: snapdragon: Remove QCS615 MMC node disable fixup Balaji Selvanathan
2026-01-27 7:18 ` Sumit Garg
2026-01-26 15:59 ` [PATCH v1 3/3] board: qualcomm: Remove SCSI scan from default preboot environment Balaji Selvanathan
2026-01-27 7:25 ` Sumit Garg [this message]
2026-02-09 19:16 ` Casey Connolly
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