linux-kernel - [PATCH v1 1/1] fpga: m10bmc-sec: Fix kconfig dependencies

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Message-Id: <20221115001127.289890-1-russell.h.weight@intel.com>
Date:   Mon, 14 Nov 2022 16:11:27 -0800
From:   Russ Weight <russell.h.weight@...el.com>
To:     mdf@...nel.org, hao.wu@...el.com, yilun.xu@...el.com,
        trix@...hat.com, linux-fpga@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     lgoncalv@...hat.com, marpagan@...hat.com,
        matthew.gerlach@...ux.intel.com,
        basheer.ahmed.muddebihal@...el.com, tianfei.zhang@...el.com,
        Russ Weight <russell.h.weight@...el.com>,
        kernel test robot <lkp@...el.com>, stable@...r.kernel.org
Subject: [PATCH v1 1/1] fpga: m10bmc-sec: Fix kconfig dependencies

The secure update driver depends on the firmware-upload functionality of
the firmware-loader. The firmware-loader is carried in the firmware-class
driver which is enabled with the tristate CONFIG_FW_LOADER option. The
firmware-upload functionality is included in the firmware-class driver if
the bool FW_UPLOAD config is set.

The current dependency statement, "depends on FW_UPLOAD", is not adequate
because it does not implicitly turn on FW_LOADER. Instead of adding a
dependency, follow the convention used by drivers that require the
FW_LOADER_USER_HELPER functionality of the firmware-loader by using
select for both FW_LOADER and FW_UPLOAD.

Fixes: bdf86d0e6ca3 ("fpga: m10bmc-sec: create max10 bmc secure update")
Reported-by: kernel test robot <lkp@...el.com>
Cc: stable@...r.kernel.org
Signed-off-by: Russ Weight <russell.h.weight@...el.com>
---
 drivers/fpga/Kconfig | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig
index d1a8107fdcb3..6ce143dafd04 100644
--- a/drivers/fpga/Kconfig
+++ b/drivers/fpga/Kconfig
@@ -246,7 +246,9 @@ config FPGA_MGR_VERSAL_FPGA

 config FPGA_M10_BMC_SEC_UPDATE
 	tristate "Intel MAX10 BMC Secure Update driver"
-	depends on MFD_INTEL_M10_BMC && FW_UPLOAD
+	depends on MFD_INTEL_M10_BMC
+	select FW_LOADER
+	select FW_UPLOAD
 	help
 	  Secure update support for the Intel MAX10 board management
 	  controller.
-- 
2.25.1