On Fri, Oct 09, 2026 at 07:02:23AM +0530, Balaji Selvanathan wrote:

> QCS615 platforms are equipped with eMMC storage only and do not
> support UFS or other SCSI-backed devices.
> 
> Disable SCSI support and set fastboot settings to use the MMC
> block interface with device 0.
> 
> Reviewed-by: Casey Connolly <[email protected]>
> Signed-off-by: Balaji Selvanathan <[email protected]>
> ---
>  configs/qcom_qcs615_defconfig | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/configs/qcom_qcs615_defconfig b/configs/qcom_qcs615_defconfig
> index ccc3bf24ab1..a0aa019316c 100644
> --- a/configs/qcom_qcs615_defconfig
> +++ b/configs/qcom_qcs615_defconfig
> @@ -24,3 +24,9 @@ CONFIG_TEXT_BASE=0x9fc00000
>  CONFIG_FASTBOOT_BUF_ADDR=0xa1600000
>  
>  CONFIG_WATCHDOG_AUTOSTART=y
> +
> +# CONFIG_SCSI is not set
> +
> +# QCS615 has eMMC only, not UFS/SCSI - override qcom_defconfig settings
> +CONFIG_FASTBOOT_FLASH_BLOCK_INTERFACE_NAME="mmc"
> +CONFIG_FASTBOOT_FLASH_BLOCK_DEVICE_ID=0

So I looked at this and asked myself, why are we adding comments? And I
see it's because we're starting with the intended to run anywhere
qcom_defconfig. Still, documentation of what / why belongs in the docs
files, and not the defconfig. It doesn't get lost here because they
don't get re-synced automatically but it still encourages other people
to do this on boards that do get resynced.

-- 
Tom

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