[RESEND PATCH v2 25/53] mtd: nand: denali: remove unnecessary writes to ECC_CORRECTION
Masahiro Yamada
yamada.masahiro at socionext.com
Wed Mar 22 13:07:24 PDT 2017
Because SUPPORT_15BITECC is defined, the following is dead code:
#elif SUPPORT_8BITECC
iowrite32(8, denali->flash_reg + ECC_CORRECTION);
#endif
Such ifdefs are useless and unacceptable coding style.
These writes are not needed in the first place since ECC_CORRECTION
is set up by the nand_init() function.
Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
---
Changes in v2: None
drivers/mtd/nand/denali.c | 15 +--------------
drivers/mtd/nand/denali.h | 3 ---
2 files changed, 1 insertion(+), 17 deletions(-)
diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index 5e89709..a190cb2 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -62,8 +62,6 @@ MODULE_PARM_DESC(onfi_timing_mode,
*/
#define CHIP_SELECT_INVALID -1
-#define SUPPORT_8BITECC 1
-
/*
* This macro divides two integers and rounds fractional values up
* to the nearest integer value.
@@ -347,14 +345,8 @@ static void get_toshiba_nand_para(struct denali_nand_info *denali)
* spare area size for some kind of Toshiba NAND device
*/
if ((ioread32(denali->flash_reg + DEVICE_MAIN_AREA_SIZE) == 4096) &&
- (ioread32(denali->flash_reg + DEVICE_SPARE_AREA_SIZE) == 64)) {
+ (ioread32(denali->flash_reg + DEVICE_SPARE_AREA_SIZE) == 64))
iowrite32(216, denali->flash_reg + DEVICE_SPARE_AREA_SIZE);
-#if SUPPORT_15BITECC
- iowrite32(15, denali->flash_reg + ECC_CORRECTION);
-#elif SUPPORT_8BITECC
- iowrite32(8, denali->flash_reg + ECC_CORRECTION);
-#endif
- }
}
static void get_hynix_nand_para(struct denali_nand_info *denali,
@@ -367,11 +359,6 @@ static void get_hynix_nand_para(struct denali_nand_info *denali,
iowrite32(4096, denali->flash_reg + DEVICE_MAIN_AREA_SIZE);
iowrite32(224, denali->flash_reg + DEVICE_SPARE_AREA_SIZE);
iowrite32(0, denali->flash_reg + DEVICE_WIDTH);
-#if SUPPORT_15BITECC
- iowrite32(15, denali->flash_reg + ECC_CORRECTION);
-#elif SUPPORT_8BITECC
- iowrite32(8, denali->flash_reg + ECC_CORRECTION);
-#endif
break;
default:
dev_warn(denali->dev,
diff --git a/drivers/mtd/nand/denali.h b/drivers/mtd/nand/denali.h
index 58a8042..d9232e4 100644
--- a/drivers/mtd/nand/denali.h
+++ b/drivers/mtd/nand/denali.h
@@ -303,9 +303,6 @@
#define CLK_X 5
#define CLK_MULTI 4
-#define SUPPORT_15BITECC 1
-#define SUPPORT_8BITECC 1
-
#define ONFI_BLOOM_TIME 1
#define MODE5_WORKAROUND 0
--
2.7.4
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