@@ -49,19 +49,6 @@
#include <plat/regs-nand.h>
#include <plat/nand.h>
-#ifdef CONFIG_MTD_NAND_S3C2410_HWECC
-static int hardware_ecc = 1;
-#else
-static int hardware_ecc = 0;
-#endif
-
-#ifdef CONFIG_MTD_NAND_S3C2410_CLKSTOP
-static const int clock_stop = 1;
-#else
-static const int clock_stop = 0;
-#endif
-
-
/* new oob placement block for use with hardware ecc generation
*/
@@ -170,7 +157,11 @@ static struct s3c2410_platform_nand *to_nand_plat(struct platform_device *dev)
static inline int allow_clk_suspend(struct s3c2410_nand_info *info)
{
- return clock_stop;
+#ifdef CONFIG_MTD_NAND_S3C2410_CLKSTOP
+ return 1;
+#else
+ return 0;
+#endif
}
/**
@@ -452,6 +443,7 @@ static int s3c2412_nand_devready(struct mtd_info *mtd)
/* ECC handling functions */
+#ifdef CONFIG_MTD_NAND_S3C2410_HWECC
static int s3c2410_nand_correct_data(struct mtd_info *mtd, u_char *dat,
u_char *read_ecc, u_char *calc_ecc)
{
@@ -601,6 +593,7 @@ static int s3c2440_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u
return 0;
}
+#endif
/* over-ride the standard functions for a little more speed. We can
* use read/write block to move the data buffers to/from the controller
@@ -821,32 +814,31 @@ static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info,
nmtd->mtd.owner = THIS_MODULE;
nmtd->set = set;
- if (hardware_ecc) {
+#ifdef CONFIG_MTD_NAND_S3C2410_HWECC
+ chip->ecc.calculate = s3c2410_nand_calculate_ecc;
+ chip->ecc.correct = s3c2410_nand_correct_data;
+ chip->ecc.mode = NAND_ECC_HW;
+ chip->ecc.strength = 1;
+
+ switch (info->cpu_type) {
+ case TYPE_S3C2410:
+ chip->ecc.hwctl = s3c2410_nand_enable_hwecc;
chip->ecc.calculate = s3c2410_nand_calculate_ecc;
- chip->ecc.correct = s3c2410_nand_correct_data;
- chip->ecc.mode = NAND_ECC_HW;
- chip->ecc.strength = 1;
-
- switch (info->cpu_type) {
- case TYPE_S3C2410:
- chip->ecc.hwctl = s3c2410_nand_enable_hwecc;
- chip->ecc.calculate = s3c2410_nand_calculate_ecc;
- break;
-
- case TYPE_S3C2412:
- chip->ecc.hwctl = s3c2412_nand_enable_hwecc;
- chip->ecc.calculate = s3c2412_nand_calculate_ecc;
- break;
-
- case TYPE_S3C2440:
- chip->ecc.hwctl = s3c2440_nand_enable_hwecc;
- chip->ecc.calculate = s3c2440_nand_calculate_ecc;
- break;
+ break;
- }
- } else {
- chip->ecc.mode = NAND_ECC_SOFT;
+ case TYPE_S3C2412:
+ chip->ecc.hwctl = s3c2412_nand_enable_hwecc;
+ chip->ecc.calculate = s3c2412_nand_calculate_ecc;
+ break;
+
+ case TYPE_S3C2440:
+ chip->ecc.hwctl = s3c2440_nand_enable_hwecc;
+ chip->ecc.calculate = s3c2440_nand_calculate_ecc;
+ break;
}
+#else
+ chip->ecc.mode = NAND_ECC_SOFT;
+#endif
if (set->ecc_layout != NULL)
chip->ecc.layout = set->ecc_layout;
Fixes the following checkpatch errors: ERROR: do not initialise statics to 0 or NULL +static int hardware_ecc = 0; ERROR: do not initialise statics to 0 or NULL +static const int clock_stop = 0; Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> --- Please ignore the previous patch (v1). This patch takes care of some compilation warnings introduced earlier. --- drivers/mtd/nand/s3c2410.c | 66 +++++++++++++++++++------------------------ 1 files changed, 29 insertions(+), 37 deletions(-)