linux-kernel - [PATCH] mtd: rawnand: ingenic: Fix build error

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Date:   Sat, 15 Jun 2019 21:44:30 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <miquel.raynal@...tlin.com>, <richard@....at>,
        <dwmw2@...radead.org>, <computersforpeace@...il.com>,
        <marek.vasut@...il.com>, <vigneshr@...com>, <paul@...pouillou.net>,
        <gregkh@...uxfoundation.org>
CC:     <linux-kernel@...r.kernel.org>, <linux-mtd@...ts.infradead.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH] mtd: rawnand: ingenic: Fix build error

If MTD_NAND_JZ4780 is y and MTD_NAND_JZ4780_BCH is m,
which select CONFIG_MTD_NAND_INGENIC_ECC to m, building fails:

drivers/mtd/nand/raw/ingenic/ingenic_nand.o: In function `ingenic_nand_remove':
ingenic_nand.c:(.text+0x177): undefined reference to `ingenic_ecc_release'
drivers/mtd/nand/raw/ingenic/ingenic_nand.o: In function `ingenic_nand_ecc_correct':
ingenic_nand.c:(.text+0x2ee): undefined reference to `ingenic_ecc_correct'

Select MTD_NAND_INGENIC_ECC if MTD_NAND_JZ4780 is set

Reported-by: Hulk Robot <hulkci@...wei.com>
Fiexes: 15de8c6efd0e ("mtd: rawnand: ingenic: Separate top-level and SoC specific code")
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/mtd/nand/raw/ingenic/Kconfig | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/raw/ingenic/Kconfig b/drivers/mtd/nand/raw/ingenic/Kconfig
index 19a96ce..d0b1909 100644
--- a/drivers/mtd/nand/raw/ingenic/Kconfig
+++ b/drivers/mtd/nand/raw/ingenic/Kconfig
@@ -9,6 +9,7 @@ config MTD_NAND_JZ4740
 config MTD_NAND_JZ4780
 	tristate "JZ4780 NAND controller"
 	depends on JZ4780_NEMC
+	select MTD_NAND_INGENIC_ECC
 	help
 	  Enables support for NAND Flash connected to the NEMC on JZ4780 SoC
 	  based boards, using the BCH controller for hardware error correction.
@@ -20,7 +21,6 @@ config MTD_NAND_INGENIC_ECC
 
 config MTD_NAND_JZ4740_ECC
 	tristate "Hardware BCH support for JZ4740 SoC"
-	select MTD_NAND_INGENIC_ECC
 	help
 	  Enable this driver to support the Reed-Solomon error-correction
 	  hardware present on the JZ4740 SoC from Ingenic.
@@ -30,7 +30,6 @@ config MTD_NAND_JZ4740_ECC
 
 config MTD_NAND_JZ4725B_BCH
 	tristate "Hardware BCH support for JZ4725B SoC"
-	select MTD_NAND_INGENIC_ECC
 	help
 	  Enable this driver to support the BCH error-correction hardware
 	  present on the JZ4725B SoC from Ingenic.
@@ -40,7 +39,6 @@ config MTD_NAND_JZ4725B_BCH
 
 config MTD_NAND_JZ4780_BCH
 	tristate "Hardware BCH support for JZ4780 SoC"
-	select MTD_NAND_INGENIC_ECC
 	help
 	  Enable this driver to support the BCH error-correction hardware
 	  present on the JZ4780 SoC from Ingenic.
-- 
2.7.4