From: Pekon Gupta Date: Mon, 3 Mar 2014 10:08:30 +0000 (+0530) Subject: mtd: nand: omap: ecc.hwctl: rename omap3_enable_hwecc_bch to omap_enable_hwecc_bch X-Git-Tag: firefly_0821_release~176^2~4119^2~53 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7c977c3eb29837191f4154d819e552786bc42003;p=firefly-linux-kernel-4.4.55.git mtd: nand: omap: ecc.hwctl: rename omap3_enable_hwecc_bch to omap_enable_hwecc_bch This patch - renames omap3_enable_hwecc_bch -> omap_enable_hwecc_bch to keep nomenclature independent of any device family. - using '__maybe_unused' instead of `ifdef based conditional compilation to suppress warning for un-used functions Signed-off-by: Pekon Gupta Signed-off-by: Brian Norris --- diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index fa8143624384..fad1d946c449 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -1039,9 +1039,8 @@ static int omap_dev_ready(struct mtd_info *mtd) } } -#if defined(CONFIG_MTD_NAND_ECC_BCH) || defined(CONFIG_MTD_NAND_OMAP_BCH) /** - * omap3_enable_hwecc_bch - Program OMAP3 GPMC to perform BCH ECC correction + * omap_enable_hwecc_bch - Program GPMC to perform BCH ECC calculation * @mtd: MTD device structure * @mode: Read/Write mode * @@ -1052,7 +1051,7 @@ static int omap_dev_ready(struct mtd_info *mtd) * eccsize0 = 0 (no additional protected byte in spare area) * eccsize1 = 32 (skip 32 nibbles = 16 bytes per sector in spare area) */ -static void omap3_enable_hwecc_bch(struct mtd_info *mtd, int mode) +static void __maybe_unused omap_enable_hwecc_bch(struct mtd_info *mtd, int mode) { int nerrors; unsigned int dev_width, nsectors; @@ -1120,7 +1119,7 @@ static void omap3_enable_hwecc_bch(struct mtd_info *mtd, int mode) /* Clear ecc and enable bits */ writel(ECCCLEAR | ECC1, info->reg.gpmc_ecc_control); } -#endif + static u8 bch4_polynomial[] = {0x28, 0x13, 0xcc, 0x39, 0x96, 0xac, 0x7f}; static u8 bch8_polynomial[] = {0xef, 0x51, 0x2e, 0x09, 0xed, 0x93, 0x9a, 0xc2, 0x97, 0x79, 0xe5, 0x24, 0xb5}; @@ -1763,7 +1762,7 @@ static int omap_nand_probe(struct platform_device *pdev) nand_chip->ecc.size = 512; nand_chip->ecc.bytes = 7; nand_chip->ecc.strength = 4; - nand_chip->ecc.hwctl = omap3_enable_hwecc_bch; + nand_chip->ecc.hwctl = omap_enable_hwecc_bch; nand_chip->ecc.correct = nand_bch_correct_data; nand_chip->ecc.calculate = omap_calculate_ecc_bch; /* define ECC layout */ @@ -1803,7 +1802,7 @@ static int omap_nand_probe(struct platform_device *pdev) /* 14th bit is kept reserved for ROM-code compatibility */ nand_chip->ecc.bytes = 7 + 1; nand_chip->ecc.strength = 4; - nand_chip->ecc.hwctl = omap3_enable_hwecc_bch; + nand_chip->ecc.hwctl = omap_enable_hwecc_bch; nand_chip->ecc.correct = omap_elm_correct_data; nand_chip->ecc.calculate = omap_calculate_ecc_bch; nand_chip->ecc.read_page = omap_read_page_bch; @@ -1838,7 +1837,7 @@ static int omap_nand_probe(struct platform_device *pdev) nand_chip->ecc.size = 512; nand_chip->ecc.bytes = 13; nand_chip->ecc.strength = 8; - nand_chip->ecc.hwctl = omap3_enable_hwecc_bch; + nand_chip->ecc.hwctl = omap_enable_hwecc_bch; nand_chip->ecc.correct = nand_bch_correct_data; nand_chip->ecc.calculate = omap_calculate_ecc_bch; /* define ECC layout */ @@ -1879,7 +1878,7 @@ static int omap_nand_probe(struct platform_device *pdev) /* 14th bit is kept reserved for ROM-code compatibility */ nand_chip->ecc.bytes = 13 + 1; nand_chip->ecc.strength = 8; - nand_chip->ecc.hwctl = omap3_enable_hwecc_bch; + nand_chip->ecc.hwctl = omap_enable_hwecc_bch; nand_chip->ecc.correct = omap_elm_correct_data; nand_chip->ecc.calculate = omap_calculate_ecc_bch; nand_chip->ecc.read_page = omap_read_page_bch;