mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-30 23:41:53 +02:00
9364d77535
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
64 lines
1.8 KiB
Diff
64 lines
1.8 KiB
Diff
--- a/drivers/mtd/nand/rb750_nand.c
|
|
+++ b/drivers/mtd/nand/rb750_nand.c
|
|
@@ -110,7 +110,8 @@ static void rb750_nand_write(const u8 *b
|
|
__raw_readl(base + AR71XX_GPIO_REG_OE);
|
|
}
|
|
|
|
-static void rb750_nand_read(u8 *read_buf, unsigned len)
|
|
+static int rb750_nand_read_verify(u8 *read_buf, unsigned len,
|
|
+ const u8 *verify_buf)
|
|
{
|
|
void __iomem *base = ath79_gpio_base;
|
|
unsigned i;
|
|
@@ -130,8 +131,13 @@ static void rb750_nand_read(u8 *read_buf
|
|
/* deactivate RE line */
|
|
__raw_writel(RB750_NAND_NRE, base + AR71XX_GPIO_REG_SET);
|
|
|
|
- read_buf[i] = data;
|
|
+ if (read_buf)
|
|
+ read_buf[i] = data;
|
|
+ else if (verify_buf && verify_buf[i] != data)
|
|
+ return -EFAULT;
|
|
}
|
|
+
|
|
+ return 0;
|
|
}
|
|
|
|
static void rb750_nand_select_chip(struct mtd_info *mtd, int chip)
|
|
@@ -206,13 +212,13 @@ static void rb750_nand_cmd_ctrl(struct m
|
|
static u8 rb750_nand_read_byte(struct mtd_info *mtd)
|
|
{
|
|
u8 data = 0;
|
|
- rb750_nand_read(&data, 1);
|
|
+ rb750_nand_read_verify(&data, 1, NULL);
|
|
return data;
|
|
}
|
|
|
|
static void rb750_nand_read_buf(struct mtd_info *mtd, u8 *buf, int len)
|
|
{
|
|
- rb750_nand_read(buf, len);
|
|
+ rb750_nand_read_verify(buf, len, NULL);
|
|
}
|
|
|
|
static void rb750_nand_write_buf(struct mtd_info *mtd, const u8 *buf, int len)
|
|
@@ -220,6 +226,11 @@ static void rb750_nand_write_buf(struct
|
|
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;
|
|
@@ -274,6 +285,7 @@ static int __devinit rb750_nand_probe(st
|
|
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;
|