linux-kernel - [PATCH] mtd: hyperbus: Kconfig: Fix HBMC

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Message-ID: <20190719082912.10316-1-vigneshr@ti.com>
Date:   Fri, 19 Jul 2019 13:59:12 +0530
From:   Vignesh Raghavendra <vigneshr@...com>
To:     Vignesh Raghavendra <vigneshr@...com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>
CC:     Randy Dunlap <rdunlap@...radead.org>,
        <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        Mao Wenan <maowenan@...wei.com>
Subject: [PATCH] mtd: hyperbus: Kconfig: Fix HBMC_AM654 dependencies

On x86_64, when CONFIG_OF is not disabled:

WARNING: unmet direct dependencies detected for MUX_MMIO
  Depends on [n]: MULTIPLEXER [=y] && (OF [=n] || COMPILE_TEST [=n])
  Selected by [y]:
  - HBMC_AM654 [=y] && MTD [=y] && MTD_HYPERBUS [=y]

due to
config HBMC_AM654
	tristate "HyperBus controller driver for AM65x SoC"
	select MULTIPLEXER
	select MUX_MMIO

Fix this by making HBMC_AM654 imply MUX_MMIO instead of select so
that dependencies are taken care of. MUX_MMIO is optional for
functioning of driver.

Fixes: b07079f1642c ("mtd: hyperbus: Add driver for TI's HyperBus memory controller")
Reported-by: Randy Dunlap <rdunlap@...radead.org>
Signed-off-by: Vignesh Raghavendra <vigneshr@...com>
---
 drivers/mtd/hyperbus/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/hyperbus/Kconfig b/drivers/mtd/hyperbus/Kconfig
index cff6bbd226f5..1c691df8eff7 100644
--- a/drivers/mtd/hyperbus/Kconfig
+++ b/drivers/mtd/hyperbus/Kconfig
@@ -15,7 +15,7 @@ if MTD_HYPERBUS
 config HBMC_AM654
 	tristate "HyperBus controller driver for AM65x SoC"
 	select MULTIPLEXER
-	select MUX_MMIO
+	imply MUX_MMIO
 	help
 	 This is the driver for HyperBus controller on TI's AM65x and
 	 other SoCs
-- 
2.22.0