Re: [PATCH] scsi: hisi_sas: Fix build error without SATA_HOST

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On 4/2/20 9:30 AM, John Garry wrote:
> On 02/04/2020 07:30, YueHaibing wrote:
> 
> +
> 
>> If SATA_HOST is n, build fails:
>>
>> drivers/scsi/hisi_sas/hisi_sas_main.o: In function `hisi_sas_fill_ata_reset_cmd':
>> hisi_sas_main.c:(.text+0x2500): undefined reference to `ata_tf_to_fis'
>>
>> Select SATA_HOST to fix this.

Sorry for missing hisi_sas and thanks for fixing it.

>> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
>> Fixes: 7c594f0407de ("scsi: hisi_sas: add softreset function for SATA disk")
> 
> That's not right. SATA_HOST was only introduced recently in the ATA code. It would fix those kconfig changes.

Yes, this should be:

Fixes: bd322af15ce9 ("ata: make SATA_PMP option selectable only if any SATA host driver is enabled")

>> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
>> ---
>>   drivers/scsi/hisi_sas/Kconfig | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/scsi/hisi_sas/Kconfig b/drivers/scsi/hisi_sas/Kconfig
>> index 90a17452a50d..13ed9073fc72 100644
>> --- a/drivers/scsi/hisi_sas/Kconfig
>> +++ b/drivers/scsi/hisi_sas/Kconfig
>> @@ -6,6 +6,7 @@ config SCSI_HISI_SAS
>>       select SCSI_SAS_LIBSAS
>>       select BLK_DEV_INTEGRITY
>>       depends on ATA
>> +    select SATA_HOST
> 
> That does not feel right.
> 
> SCSI_HISI_SAS depends on ATA, but SATA_HOST also depends on ATA, so it seems better to just depend on SATA_HOST (and omit explicit ATA dependency), rather than select it.

SATA_HOST config option is invisible to user so it needs to be
selected.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics



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