From e2c1ef18cddb426b9eea79599aec892717bead48 Mon Sep 17 00:00:00 2001 From: Han Xu Date: Thu, 15 Aug 2019 21:45:50 -0500 Subject: [PATCH] nand: raw: workaround for EDO high speed mode Found issue for EDO high speed mode, set to low speed mode as a workaround. Signed-off-by: Han Xu --- drivers/mtd/nand/raw/nand_base.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -940,7 +940,8 @@ static int nand_init_data_interface(stru modes = GENMASK(chip->onfi_timing_mode_default, 0); } - for (mode = fls(modes) - 1; mode >= 0; mode--) { + /* for (mode = fls(modes) - 1; mode >= 0; mode--) { */ + for (mode = 1; mode >= 0; mode--) { ret = onfi_fill_data_interface(chip, NAND_SDR_IFACE, mode); if (ret) continue;