From: Masahiro Yamada Date: Thu, 23 Mar 2017 00:17:50 +0000 (+0900) Subject: mtd: nand: do not check R/B# for CMD_SET_FEATURES in nand_command(_lp) X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c5d664aa5a4c4b257a54eb35045031630d105f49;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git mtd: nand: do not check R/B# for CMD_SET_FEATURES in nand_command(_lp) Set Features (0xEF) command toggles the R/B# pin after 4 sub feature parameters are written. Currently, nand_command(_lp) calls chip->dev_ready immediately after the address cycle because NAND_CMD_SET_FEATURES falls into default: label. No wait is needed at this point. If you see nand_onfi_set_features(), R/B# is already cared by the chip->waitfunc call. Signed-off-by: Masahiro Yamada Signed-off-by: Boris Brezillon --- diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index b7daedee23b5..c4c3386e4c0a 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -669,6 +669,7 @@ static void nand_command(struct mtd_info *mtd, unsigned int command, case NAND_CMD_SEQIN: case NAND_CMD_STATUS: case NAND_CMD_READID: + case NAND_CMD_SET_FEATURES: return; case NAND_CMD_RESET: @@ -788,6 +789,7 @@ static void nand_command_lp(struct mtd_info *mtd, unsigned int command, case NAND_CMD_SEQIN: case NAND_CMD_STATUS: case NAND_CMD_READID: + case NAND_CMD_SET_FEATURES: return; case NAND_CMD_RNDIN: