On Thursday 20 March 2014 04:08 PM, Ivan Khoronzhuk wrote: > From: Murali Karicheri <m-karicheri2@xxxxxx> > > 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: Brian Norris <computersforpeace@xxxxxxxxx> > Cc: Warner Losh <imp@xxxxxxxxxx> > Cc: Santosh Shilimkar <santosh.shilimkar@xxxxxx> > > Signed-off-by: Murali Karicheri <m-karicheri2@xxxxxx> > Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@xxxxxx> > --- > Acked-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx> > This patch is a result of discussion on patch v1: > https://lkml.org/lkml/2014/3/20/461 > > drivers/mtd/nand/davinci_nand.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c > index 4615d79..b922c8e 100644 > --- a/drivers/mtd/nand/davinci_nand.c > +++ b/drivers/mtd/nand/davinci_nand.c > @@ -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); > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
