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path: root/drivers/mtd/spi-nor/core.c
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Diffstat (limited to 'drivers/mtd/spi-nor/core.c')
-rw-r--r--drivers/mtd/spi-nor/core.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c
index 9a7bea365acb..dc4d86ceee44 100644
--- a/drivers/mtd/spi-nor/core.c
+++ b/drivers/mtd/spi-nor/core.c
@@ -2440,6 +2440,9 @@ static void spi_nor_init_flags(struct spi_nor *nor)
if (flags & NO_CHIP_ERASE)
nor->flags |= SNOR_F_NO_OP_CHIP_ERASE;
+
+ if (flags & SPI_NOR_RWW)
+ nor->flags |= SNOR_F_RWW;
}
/**
@@ -2578,6 +2581,12 @@ static void spi_nor_init_default_params(struct spi_nor *nor)
params->hwcaps.mask |= SNOR_HWCAPS_PP;
spi_nor_set_pp_settings(&params->page_programs[SNOR_CMD_PP],
SPINOR_OP_PP, SNOR_PROTO_1_1_1);
+
+ if (info->flags & SPI_NOR_QUAD_PP) {
+ params->hwcaps.mask |= SNOR_HWCAPS_PP_1_1_4;
+ spi_nor_set_pp_settings(&params->page_programs[SNOR_CMD_PP_1_1_4],
+ SPINOR_OP_PP_1_1_4, SNOR_PROTO_1_1_4);
+ }
}
/**
@@ -2933,6 +2942,9 @@ static void spi_nor_set_mtd_info(struct spi_nor *nor)
mtd->name = dev_name(dev);
mtd->type = MTD_NORFLASH;
mtd->flags = MTD_CAP_NORFLASH;
+ /* Unset BIT_WRITEABLE to enable JFFS2 write buffer for ECC'd NOR */
+ if (nor->flags & SNOR_F_ECC)
+ mtd->flags &= ~MTD_BIT_WRITEABLE;
if (nor->info->flags & SPI_NOR_NO_ERASE)
mtd->flags |= MTD_NO_ERASE;
else