linux-kernel - Re: [PATCH] scsi: ufs: Kconfig: SCSI_UFS

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Date:   Fri, 24 Sep 2021 10:07:27 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Anders Roxell <anders.roxell@...aro.org>, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, jdelvare@...e.com, linux@...ck-us.net
Cc:     avri.altman@....com, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-hwmon@...r.kernel.org
Subject: Re: [PATCH] scsi: ufs: Kconfig: SCSI_UFS_HWMON depens on HWMON=y

On 9/24/21 9:45 AM, Anders Roxell wrote:
> When building an allmodconfig kernel, the following build error shows
> up:
> 
> aarch64-linux-gnu-ld: drivers/scsi/ufs/ufs-hwmon.o: in function `ufs_hwmon_probe':
> /kernel/next/drivers/scsi/ufs/ufs-hwmon.c:177: undefined reference to `hwmon_device_register_with_info'
> /kernel/next/drivers/scsi/ufs/ufs-hwmon.c:177:(.text+0x510): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `hwmon_device_register_with_info'
> aarch64-linux-gnu-ld: drivers/scsi/ufs/ufs-hwmon.o: in function `ufs_hwmon_remove':
> /kernel/next/drivers/scsi/ufs/ufs-hwmon.c:195: undefined reference to `hwmon_device_unregister'
> /kernel/next/drivers/scsi/ufs/ufs-hwmon.c:195:(.text+0x5c8): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `hwmon_device_unregister'
> aarch64-linux-gnu-ld: drivers/scsi/ufs/ufs-hwmon.o: in function `ufs_hwmon_notify_event':
> /kernel/next/drivers/scsi/ufs/ufs-hwmon.c:206: undefined reference to `hwmon_notify_event'
> /kernel/next/drivers/scsi/ufs/ufs-hwmon.c:206:(.text+0x64c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `hwmon_notify_event'
> aarch64-linux-gnu-ld: /home/anders/src/kernel/next/drivers/scsi/ufs/ufs-hwmon.c:209: undefined reference to `hwmon_notify_event'
> /kernel/next/drivers/scsi/ufs/ufs-hwmon.c:209:(.text+0x66c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `hwmon_notify_event'
> 
> Since fragment 'SCSI_UFS_HWMON' can't be build as a module,
> 'SCSI_UFS_HWMON' has to depend on 'HWMON=y'.
> 
> Fixes: e88e2d32200a ("scsi: ufs: core: Probe for temperature notification support")
> Signed-off-by: Anders Roxell <anders.roxell@...aro.org>
> ---
>   drivers/scsi/ufs/Kconfig | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/scsi/ufs/Kconfig b/drivers/scsi/ufs/Kconfig
> index 565e8aa6319d..30c6edb53be9 100644
> --- a/drivers/scsi/ufs/Kconfig
> +++ b/drivers/scsi/ufs/Kconfig
> @@ -202,7 +202,7 @@ config SCSI_UFS_FAULT_INJECTION
>   
>   config SCSI_UFS_HWMON
>   	bool "UFS  Temperature Notification"
> -	depends on SCSI_UFSHCD && HWMON
> +	depends on SCSI_UFSHCD && HWMON=y
>   	help
>   	  This provides support for UFS hardware monitoring. If enabled,
>   	  a hardware monitoring device will be created for the UFS device.
> 

Also-Reported-by: Randy Dunlap <rdunlap@...radead.org>
Acked-by: Randy Dunlap <rdunlap@...radead.org> # build-tested

Thanks.

-- 
~Randy