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SubjectRe: [PATCH] scsi: mpi3mr: add explicit dependency on CONFIG_SCSI_SAS_ATTRS
On Mon, Oct 17, 2022 at 10:13:58AM -0400, James Bottomley wrote:
> On Mon, 2022-10-17 at 16:05 +0200, Michal Kubecek wrote:
> > Starting with commit 42fc9fee116f ("scsi: mpi3mr: Add helper
> > functions to
> > manage device's port"), kernel configured with CONFIG_SCSI_MPI3MR=m
> > and
> > CONFIG_SCSI_SAS_ATTRS=n fails to build because modpost cannot find
> > symbols
> > used in mpi3mr_transport.c:
> >
> > ERROR: modpost: "sas_port_alloc_num"
> > [drivers/scsi/mpi3mr/mpi3mr.ko] undefined!
> > ERROR: modpost: "sas_remove_host" [drivers/scsi/mpi3mr/mpi3mr.ko]
> > undefined!
> > ERROR: modpost: "sas_phy_alloc" [drivers/scsi/mpi3mr/mpi3mr.ko]
> > undefined!
> > ERROR: modpost: "sas_phy_free" [drivers/scsi/mpi3mr/mpi3mr.ko]
> > undefined!
> > ...
> >
> > Add an explicit dependency of CONFIG_SCSI_MPI3MR on
> > CONFIG_SCSI_SAS_ATTRS
> > to prevent inconsistent configs.
> >
> > Fixes: 42fc9fee116f ("scsi: mpi3mr: Add helper functions to manage
> > device's port")
> > Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
> > ---
> > drivers/scsi/mpi3mr/Kconfig | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/scsi/mpi3mr/Kconfig
> > b/drivers/scsi/mpi3mr/Kconfig
> > index 8997531940c2..8ada8e8d25ac 100644
> > --- a/drivers/scsi/mpi3mr/Kconfig
> > +++ b/drivers/scsi/mpi3mr/Kconfig
> > @@ -2,7 +2,7 @@
> >
> > config SCSI_MPI3MR
> > tristate "Broadcom MPI3 Storage Controller Device Driver"
> > - depends on PCI && SCSI
> > + depends on PCI && SCSI && SCSI_SAS_ATTRS
>
> This should probably be select not depends.
>
> All transport attributes are designed to be selected. The reason is to
> avoid people having to figure out what attributes they have to set in
> Kconfig before they see the HBAs they're interested in.

OK, I'll send v2 with select in a moment.

Michal

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