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mtd: davinci-nand: disable subpage write for keystone-nand

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Sub page write doesn't work because of hw issue in controller found on
Keystone SOCs. AEMIF controller is also used on DaVinci SOCs which
don't seems to have any issue. So add "ti,keysone-nand" compatible
to nand driver in order to set NAND_NO_SUBPAGE_WRITE option.

Cc: Warner Losh <imp@bsdimp.com>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Murali Karicheri 2014-03-20 22:08:32 +02:00 committed by Brian Norris
parent c9eaa447e7
commit 28c015a9da
1 changed files with 6 additions and 0 deletions
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6
drivers/mtd/nand/davinci_nand.c
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@ -523,6 +523,7 @@ static struct nand_ecclayout hwecc4_2048 = {
#if defined(CONFIG_OF)
static const struct of_device_id davinci_nand_of_match[] = {
{.compatible = "ti,davinci-nand", },
{.compatible = "ti,keystone-nand", },
{},
};
MODULE_DEVICE_TABLE(of, davinci_nand_of_match);
@ -581,6 +582,11 @@ static struct davinci_nand_pdata
of_property_read_bool(pdev->dev.of_node,
"ti,davinci-nand-use-bbt"))
pdata->bbt_options = NAND_BBT_USE_FLASH;
if (of_device_is_compatible(pdev->dev.of_node,
"ti,keystone-nand")) {
pdata->options |= NAND_NO_SUBPAGE_WRITE;
}
}
return dev_get_platdata(&pdev->dev);