linux-kernel - [PATCH] scsi: mpi3mr: add explicit dependency on CONFIG_SCSI_SAS

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Date:   Mon, 17 Oct 2022 16:05:33 +0200 (CEST)
From:   Michal Kubecek <mkubecek@...e.cz>
To:     mpi3mr-linuxdrv.pdl@...adcom.com,
        Sathya Prakash Veerichetty <sathya.prakash@...adcom.com>,
        Kashyap Desai <kashyap.desai@...adcom.com>,
        Sumit Saxena <sumit.saxena@...adcom.com>,
        Sreekanth Reddy <sreekanth.reddy@...adcom.com>
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] scsi: mpi3mr: add explicit dependency on
 CONFIG_SCSI_SAS_ATTRS

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@...e.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
 	select BLK_DEV_BSGLIB
 	help
 	MPI3 based Storage & RAID Controllers Driver.
-- 
2.38.0