mtd: nand: make mtk_ecc.c a separated module

this code will be used in mediatek snfi spi-mem controller with pipelined ECC engine. Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
intel-lab-lkp · Apr 3, 2022 · 48656e5 · 48656e5
1 parent e507188
commit 48656e5
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Showing 7 changed files with 12 additions and 4 deletions.
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
@@ -53,6 +53,13 @@ config MTD_NAND_ECC_MXIC
 	help
 	  This enables support for the hardware ECC engine from Macronix.
 
+config MTD_NAND_ECC_MEDIATEK
+	bool "Mediatek hardware ECC engine"
+	depends on HAS_IOMEM
+	select MTD_NAND_ECC
+	help
+	  This enables support for the hardware ECC engine from Mediatek.
+
 endmenu
 
 endmenu
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
@@ -11,3 +11,4 @@ nandcore-$(CONFIG_MTD_NAND_ECC) += ecc.o
 nandcore-$(CONFIG_MTD_NAND_ECC_SW_HAMMING) += ecc-sw-hamming.o
 nandcore-$(CONFIG_MTD_NAND_ECC_SW_BCH) += ecc-sw-bch.o
 nandcore-$(CONFIG_MTD_NAND_ECC_MXIC) += ecc-mxic.o
+nandcore-$(CONFIG_MTD_NAND_ECC_MEDIATEK) += ecc-mtk.o
diff --git a/drivers/mtd/nand/raw/mtk_ecc.c → drivers/mtd/nand/ecc-mtk.c b/drivers/mtd/nand/raw/mtk_ecc.c → drivers/mtd/nand/ecc-mtk.c
@@ -15,8 +15,7 @@
 #include <linux/of.h>
 #include <linux/of_platform.h>
 #include <linux/mutex.h>
-
-#include "mtk_ecc.h"
+#include <linux/mtd/nand-ecc-mtk.h>
 
 #define ECC_IDLE_MASK		BIT(0)
 #define ECC_IRQ_EN		BIT(0)

diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig
@@ -374,6 +374,7 @@ config MTD_NAND_QCOM
 
 config MTD_NAND_MTK
 	tristate "MTK NAND controller"
+	depends on MTD_NAND_ECC_MEDIATEK
 	depends on ARCH_MEDIATEK || COMPILE_TEST
 	depends on HAS_IOMEM
 	help

diff --git a/drivers/mtd/nand/raw/Makefile b/drivers/mtd/nand/raw/Makefile
@@ -48,7 +48,7 @@ obj-$(CONFIG_MTD_NAND_SUNXI)		+= sunxi_nand.o
 obj-$(CONFIG_MTD_NAND_HISI504)	        += hisi504_nand.o
 obj-$(CONFIG_MTD_NAND_BRCMNAND)		+= brcmnand/
 obj-$(CONFIG_MTD_NAND_QCOM)		+= qcom_nandc.o
-obj-$(CONFIG_MTD_NAND_MTK)		+= mtk_ecc.o mtk_nand.o
+obj-$(CONFIG_MTD_NAND_MTK)		+= mtk_nand.o
 obj-$(CONFIG_MTD_NAND_MXIC)		+= mxic_nand.o
 obj-$(CONFIG_MTD_NAND_TEGRA)		+= tegra_nand.o
 obj-$(CONFIG_MTD_NAND_STM32_FMC2)	+= stm32_fmc2_nand.o

diff --git a/drivers/mtd/nand/raw/mtk_nand.c b/drivers/mtd/nand/raw/mtk_nand.c
@@ -17,7 +17,7 @@
 #include <linux/iopoll.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
-#include "mtk_ecc.h"
+#include <linux/mtd/nand-ecc-mtk.h>
 
 /* NAND controller register definition */
 #define NFI_CNFG		(0x00)

diff --git a/drivers/mtd/nand/raw/mtk_ecc.h → include/linux/mtd/nand-ecc-mtk.h b/drivers/mtd/nand/raw/mtk_ecc.h → include/linux/mtd/nand-ecc-mtk.h