From patchwork Mon Jul 16 11:01:44 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [4/6,Resend] mtd: s3c2410: Do not initialise statics to 0 or NULL Date: Mon, 16 Jul 2012 01:01:44 -0000 From: Sachin Kamat X-Patchwork-Id: 171165 Message-Id: <1342436504-15163-1-git-send-email-sachin.kamat@linaro.org> To: linux-mtd@lists.infradead.org Cc: sachin.kamat@linaro.org, dwmw2@infradead.org, David.Woodhouse@intel.com, ben-linux@fluff.org, patches@linaro.org 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 --- 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(-) diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c index 5907d1c..05fb4f7 100644 --- a/drivers/mtd/nand/s3c2410.c +++ b/drivers/mtd/nand/s3c2410.c @@ -49,19 +49,6 @@ #include #include -#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;