diff options
Diffstat (limited to 'drivers/mtd/spi-nor')
| -rw-r--r-- | drivers/mtd/spi-nor/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/mtd/spi-nor/debugfs.c | 1 | ||||
| -rw-r--r-- | drivers/mtd/spi-nor/spansion.c | 4 | ||||
| -rw-r--r-- | drivers/mtd/spi-nor/swp.c | 11 |
4 files changed, 13 insertions, 4 deletions
diff --git a/drivers/mtd/spi-nor/Kconfig b/drivers/mtd/spi-nor/Kconfig index 24cd25de2b8b..fd05a24d64a9 100644 --- a/drivers/mtd/spi-nor/Kconfig +++ b/drivers/mtd/spi-nor/Kconfig @@ -1,7 +1,6 @@ # SPDX-License-Identifier: GPL-2.0-only menuconfig MTD_SPI_NOR tristate "SPI NOR device support" - depends on MTD depends on MTD && SPI_MASTER select SPI_MEM help diff --git a/drivers/mtd/spi-nor/debugfs.c b/drivers/mtd/spi-nor/debugfs.c index 14ba1680c315..c0bd8f1149a5 100644 --- a/drivers/mtd/spi-nor/debugfs.c +++ b/drivers/mtd/spi-nor/debugfs.c @@ -29,6 +29,7 @@ static const char *const snor_f_names[] = { SNOR_F_NAME(RWW), SNOR_F_NAME(ECC), SNOR_F_NAME(NO_WP), + SNOR_F_NAME(SWAP16), }; #undef SNOR_F_NAME diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c index 8498c7003d88..b6023076903a 100644 --- a/drivers/mtd/spi-nor/spansion.c +++ b/drivers/mtd/spi-nor/spansion.c @@ -674,7 +674,9 @@ static int s25hx_t_late_init(struct spi_nor *nor) params->ready = cypress_nor_sr_ready_and_clear; cypress_nor_ecc_init(nor); - params->die_erase_opcode = SPINOR_OP_CYPRESS_DIE_ERASE; + if (params->n_dice > 1) + params->die_erase_opcode = SPINOR_OP_CYPRESS_DIE_ERASE; + return 0; } diff --git a/drivers/mtd/spi-nor/swp.c b/drivers/mtd/spi-nor/swp.c index e67a81dbb6bf..d5f4bf555cfc 100644 --- a/drivers/mtd/spi-nor/swp.c +++ b/drivers/mtd/spi-nor/swp.c @@ -282,8 +282,15 @@ static int spi_nor_sr_unlock(struct spi_nor *nor, loff_t ofs, u64 len) /* Prefer top, if both are valid */ use_top = can_be_top; - /* lock_len: length of region that should remain locked */ - if (use_top) + /* + * lock_len: length of region that should remain locked. + * + * When can_be_top and can_be_bottom booleans are true, both adjacent + * regions are unlocked, thus the entire flash can be unlocked. + */ + if (can_be_top && can_be_bottom) + lock_len = 0; + else if (use_top) lock_len = nor->params->size - (ofs + len); else lock_len = ofs; |