mtd: atmel_nand: increase chip_delay

Some nand with 8k page size like Micron MT29F32G08ABAAAWP need more than 20us.

Signed-off-by: Raphaël Poggi <poggi.raph@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index e321c56..77bd877 100644 (file)
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -2099,7 +2099,7 @@ static int atmel_nand_probe(struct platform_device *pdev)
        }
 
        nand_chip->ecc.mode = host->board.ecc_mode;
-       nand_chip->chip_delay = 20;             /* 20us command delay time */
+       nand_chip->chip_delay = 40;             /* 40us command delay time */
 
        if (host->board.bus_width_16)   /* 16-bit bus width */
                nand_chip->options |= NAND_BUSWIDTH_16;