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| author | Gabor Juhos <juhosg@openwrt.org> | 2012-11-20 16:29:43 +0000 |
|---|---|---|
| committer | Gabor Juhos <juhosg@openwrt.org> | 2012-11-20 16:29:43 +0000 |
| commit | 188908e8858c46c0245efa12be87c021d71ff53c (patch) | |
| tree | c82af8246d73dada3914ab2ec3696b0a846b80c1 /target/linux/ar71xx/files/drivers | |
| parent | 819423778947e01613bfe8f8664639f34e5750b6 (diff) | |
| download | upstream-188908e8858c46c0245efa12be87c021d71ff53c.tar.gz upstream-188908e8858c46c0245efa12be87c021d71ff53c.tar.bz2 upstream-188908e8858c46c0245efa12be87c021d71ff53c.zip | |
ar71xx: make rb750_nand driver compatible with 3.7
Also add compatibility patches for the currently
supported kernels.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
SVN-Revision: 34279
Diffstat (limited to 'target/linux/ar71xx/files/drivers')
| -rw-r--r-- | target/linux/ar71xx/files/drivers/mtd/nand/rb750_nand.c | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/target/linux/ar71xx/files/drivers/mtd/nand/rb750_nand.c b/target/linux/ar71xx/files/drivers/mtd/nand/rb750_nand.c index 9a0eadb93d..94dedd8e44 100644 --- a/target/linux/ar71xx/files/drivers/mtd/nand/rb750_nand.c +++ b/target/linux/ar71xx/files/drivers/mtd/nand/rb750_nand.c @@ -110,8 +110,7 @@ static void rb750_nand_write(const u8 *buf, unsigned len) __raw_readl(base + AR71XX_GPIO_REG_OE); } -static int rb750_nand_read_verify(u8 *read_buf, unsigned len, - const u8 *verify_buf) +static void rb750_nand_read(u8 *read_buf, unsigned len) { void __iomem *base = ath79_gpio_base; unsigned i; @@ -131,13 +130,8 @@ static int rb750_nand_read_verify(u8 *read_buf, unsigned len, /* deactivate RE line */ __raw_writel(RB750_NAND_NRE, base + AR71XX_GPIO_REG_SET); - if (read_buf) - read_buf[i] = data; - else if (verify_buf && verify_buf[i] != data) - return -EFAULT; + read_buf[i] = data; } - - return 0; } static void rb750_nand_select_chip(struct mtd_info *mtd, int chip) @@ -212,13 +206,13 @@ static void rb750_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, static u8 rb750_nand_read_byte(struct mtd_info *mtd) { u8 data = 0; - rb750_nand_read_verify(&data, 1, NULL); + rb750_nand_read(&data, 1); return data; } static void rb750_nand_read_buf(struct mtd_info *mtd, u8 *buf, int len) { - rb750_nand_read_verify(buf, len, NULL); + rb750_nand_read(buf, len); } static void rb750_nand_write_buf(struct mtd_info *mtd, const u8 *buf, int len) @@ -226,11 +220,6 @@ static void rb750_nand_write_buf(struct mtd_info *mtd, const u8 *buf, int len) rb750_nand_write(buf, len); } -static int rb750_nand_verify_buf(struct mtd_info *mtd, const u8 *buf, int len) -{ - return rb750_nand_read_verify(NULL, len, buf); -} - static void __init rb750_nand_gpio_init(struct rb750_nand_info *info) { void __iomem *base = ath79_gpio_base; @@ -285,7 +274,6 @@ static int __devinit rb750_nand_probe(struct platform_device *pdev) info->chip.read_byte = rb750_nand_read_byte; info->chip.write_buf = rb750_nand_write_buf; info->chip.read_buf = rb750_nand_read_buf; - info->chip.verify_buf = rb750_nand_verify_buf; info->chip.chip_delay = 25; info->chip.ecc.mode = NAND_ECC_SOFT; |