linux-kernel - [PATCH] mtd: nand: MTD_NAND_ECC_MEDIATEK should depend on ARCH

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Date:   Mon,  9 May 2022 15:50:02 +0200
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Chuanhong Guo <gch981213@...il.com>
Cc:     linux-mtd@...ts.infradead.org, linux-mediatek@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH] mtd: nand: MTD_NAND_ECC_MEDIATEK should depend on ARCH_MEDIATEK

The MediaTek Hardware ECC Engine is only present on MediaTek MT27xx and
MT76xx SoCs.  The driver for this engine is a dependency for the
MediaTek NAND controller (MTD_NAND_MTK) and the MediaTek SPI NAND Flash
Interface (SPI_MTK_SNFI) drivers, both of which already depend on
ARCH_MEDIATEK.

Hence add a dependency on ARCH_MEDIATEK to the Hardware ECC Engine
driver, too, to prevent asking the user about this driver when
configuring a kernel without MediaTek SoC support.

Fixes: 4fd62f15afa0d0da ("mtd: nand: make mtk_ecc.c a separated module")
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 drivers/mtd/nand/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 2f3e02ab72ede6fa..5b0c2c95f10cb8ca 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -56,6 +56,7 @@ config MTD_NAND_ECC_MXIC
 config MTD_NAND_ECC_MEDIATEK
 	tristate "Mediatek hardware ECC engine"
 	depends on HAS_IOMEM
+	depends on ARCH_MEDIATEK || COMPILE_TEST
 	select MTD_NAND_ECC
 	help
 	  This enables support for the hardware ECC engine from Mediatek.
-- 
2.25.1