From 568d841b6837fc2bb5c45d6f3e56b65ffb5ecac2 Mon Sep 17 00:00:00 2001 From: Boris Brezillon Date: Sun, 3 May 2020 17:53:40 +0200 Subject: [PATCH] mtd: cmdlinepart: Add an slc option to use SLC mode on a part Add a new option to set the MTD_SLC_ON_MLC_EMULATION flag. Signed-off-by: Boris Brezillon Signed-off-by: Miquel Raynal Link: https://lore.kernel.org/linux-mtd/20200503155341.16712-8-miquel.raynal@bootlin.com --- drivers/mtd/parsers/cmdlinepart.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/parsers/cmdlinepart.c b/drivers/mtd/parsers/cmdlinepart.c index c86f2db8c882..af712f1519c5 100644 --- a/drivers/mtd/parsers/cmdlinepart.c +++ b/drivers/mtd/parsers/cmdlinepart.c @@ -9,7 +9,7 @@ * * mtdparts=[; := :[,] - * := [@][][ro][lk] + * := [@][][ro][lk][slc] * := unique name used in mapping driver/device (mtd->name) * := standard linux memsize OR "-" to denote all remaining space * size is automatically truncated at end of device @@ -92,7 +92,7 @@ static struct mtd_partition * newpart(char *s, int name_len; unsigned char *extra_mem; char delim; - unsigned int mask_flags; + unsigned int mask_flags, add_flags; /* fetch the partition size */ if (*s == '-') { @@ -109,6 +109,7 @@ static struct mtd_partition * newpart(char *s, /* fetch partition name and flags */ mask_flags = 0; /* this is going to be a regular partition */ + add_flags = 0; delim = 0; /* check for offset */ @@ -152,6 +153,12 @@ static struct mtd_partition * newpart(char *s, s += 2; } + /* if slc is found use emulated SLC mode on this partition*/ + if (!strncmp(s, "slc", 3)) { + add_flags |= MTD_SLC_ON_MLC_EMULATION; + s += 3; + } + /* test if more partitions are following */ if (*s == ',') { if (size == SIZE_REMAINING) { @@ -184,6 +191,7 @@ static struct mtd_partition * newpart(char *s, parts[this_part].size = size; parts[this_part].offset = offset; parts[this_part].mask_flags = mask_flags; + parts[this_part].add_flags = add_flags; if (name) strlcpy(extra_mem, name, name_len + 1); else -- 2.17.1