linux-kernel - Re: [PATCH V1] scsi: ufs: Get boot device storage type from command line

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Message-ID: <a09de6e0-700b-0715-06a8-150ab41e8e7f@acm.org>
Date:   Wed, 27 Jul 2022 10:46:03 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Chetan C R <quic_cchinnad@...cinc.com>, jejb@...ux.ibm.com
Cc:     linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: Re: [PATCH V1] scsi: ufs: Get boot device storage type from command
 line

On 7/27/22 01:28, Chetan C R wrote:
> diff --git a/drivers/ufs/Kconfig b/drivers/ufs/Kconfig
> index 90226f7..9d2f84e 100644
> --- a/drivers/ufs/Kconfig
> +++ b/drivers/ufs/Kconfig
> @@ -9,6 +9,7 @@ menuconfig SCSI_UFSHCD
>   	select PM_DEVFREQ
>   	select DEVFREQ_GOV_SIMPLE_ONDEMAND
>   	select NLS
> +	select UFS_QCOM_CMDLINE if ARCH_QCOM
>   	help
>   	  Enables support for UFS (Universal Flash Storage) host controllers.
>   	  A UFS host controller is an electronic component that is able to

[ ... ]

> +__setup("androidboot.bootdevice=", get_android_boot_dev_v3);

How can this work since __setup() declarations should occur in the core 
kernel and since the ufshcd driver can be built as a kernel module?

Thanks,

Bart.