diff options
| author | John Crispin <blogic@openwrt.org> | 2012-04-30 19:30:47 +0200 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-05-13 23:16:53 -0500 |
| commit | b4f7aa84d6ff44327ab91a2973ebf0c2a7797d24 (patch) | |
| tree | a9210282810f07266f7b86cc2f1a6402ea6ac6bb | |
| parent | a4f203512be974dbd7425f8f1d3d40720bf36997 (diff) | |
| download | op-kernel-dev-b4f7aa84d6ff44327ab91a2973ebf0c2a7797d24.zip op-kernel-dev-b4f7aa84d6ff44327ab91a2973ebf0c2a7797d24.tar.gz | |
mtd: add read_byte support to plat_nand
Lantiq SoCs have a External Bus Unit (EBU) that is used to attach MTD media.
As we need to co-exist with PCI on the same bus, certain swapping settings must
be applied. Similar to the NOR map driver we need to apply a fix to make NAND
work. The easiest way is to use byte reads.
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
| -rw-r--r-- | drivers/mtd/nand/plat_nand.c | 1 | ||||
| -rw-r--r-- | include/linux/mtd/nand.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mtd/nand/plat_nand.c b/drivers/mtd/nand/plat_nand.c index fd2d2a1..1bcb520 100644 --- a/drivers/mtd/nand/plat_nand.c +++ b/drivers/mtd/nand/plat_nand.c @@ -79,6 +79,7 @@ static int __devinit plat_nand_probe(struct platform_device *pdev) data->chip.select_chip = pdata->ctrl.select_chip; data->chip.write_buf = pdata->ctrl.write_buf; data->chip.read_buf = pdata->ctrl.read_buf; + data->chip.read_byte = pdata->ctrl.read_byte; data->chip.chip_delay = pdata->chip.chip_delay; data->chip.options |= pdata->chip.options; data->chip.bbt_options |= pdata->chip.bbt_options; diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 627f0c5..94a6679 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -654,6 +654,7 @@ struct platform_nand_ctrl { void (*cmd_ctrl)(struct mtd_info *mtd, int dat, unsigned int ctrl); void (*write_buf)(struct mtd_info *mtd, const uint8_t *buf, int len); void (*read_buf)(struct mtd_info *mtd, uint8_t *buf, int len); + unsigned char (*read_byte)(struct mtd_info *mtd); void *priv; }; |
