lkml.org 
[lkml]   [2017]   [Mar]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] scsi: hisi_sas: fix SATA dependency
From
Date
On 28/03/2017 15:22, Arnd Bergmann wrote:
> Removing the 'select SCSI_SAS_LIBSAS' statement in Kconfig resulted
> in a link failure in configurations that have hisi_sas built-in
> but libsas as a loadable module:
>
> drivers/scsi/built-in.o: In function `hisi_sas_scan_finished':
> hisi_sas_main.c:(.text+0x37ce9): undefined reference to `sas_drain_work'
> drivers/scsi/built-in.o: In function `hisi_sas_slave_configure':
> hisi_sas_main.c:(.text+0x37d17): undefined reference to `sas_slave_configure'
> hisi_sas_main.c:(.text+0x37d40): undefined reference to `sas_change_queue_depth'
> drivers/scsi/built-in.o: In function `hisi_sas_remove':
>
> All other libsas users have the 'select' statement, so we should do the
> same here for consistency. For all I can tell, the patch that added
> the sata softreset does not actually introduce a dependency on SCSI_SAS_ATA
> but instead adds calls into libata itself, so we can express that with
> a more specific dependency.
>
> We cannot have 'select SCSI_SAS_LIBSAS; depends on SCSI_SAS_ATA' as that
> would cause a dependency loop.
>

Hi Arnd,

Thanks for the fix. So we missed that SCSI_SAS_ATA is a bool and not a
tristate, like SCSI_SAS_LIBSAS. Just adding the dependency on ATA is better.


> Fixes: 7c594f0407de ("scsi: hisi_sas: add softreset function for SATA disk")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Signed-off-by: John Garry <john.garry@huawei.com>

> ---
> drivers/scsi/hisi_sas/Kconfig | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/scsi/hisi_sas/Kconfig b/drivers/scsi/hisi_sas/Kconfig
> index ded2c201071d..374a329b91fc 100644
> --- a/drivers/scsi/hisi_sas/Kconfig
> +++ b/drivers/scsi/hisi_sas/Kconfig
> @@ -2,7 +2,8 @@ config SCSI_HISI_SAS
> tristate "HiSilicon SAS"
> depends on HAS_DMA && HAS_IOMEM
> depends on ARM64 || COMPILE_TEST
> - depends on SCSI_SAS_ATA
> + select SCSI_SAS_LIBSAS
> select BLK_DEV_INTEGRITY
> + depends on ATA
> help
> This driver supports HiSilicon's SAS HBA
>


\
 
 \ /
  Last update: 2017-03-28 18:52    [W:0.047 / U:0.096 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site