diff options
| author | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-11-20 16:29:43 +0000 |
|---|---|---|
| committer | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-11-20 16:29:43 +0000 |
| commit | 9364d7753578d5df5362f1be7ee4a0391acdf2ea (patch) | |
| tree | f0bdddc6cbc90e27198ad27a60d88ee259754263 /target/linux/ar71xx/files | |
| parent | c7120182addb4b4957b7a750c3adb76e7c6d24da (diff) | |
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>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34279 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar71xx/files')
| -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 9a0eadb93..94dedd8e4 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; |