diff options
| author | Brian Norris <computersforpeace@gmail.com> | 2016-01-05 16:04:40 -0800 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2016-01-05 16:05:56 -0800 |
| commit | e576330033936d94a00068760a5744e27ce51a32 (patch) | |
| tree | e91b17f2e0820e506a4a6c91afc921a3cea4cd63 /drivers/mtd | |
| parent | 887e9d3a1f3e93a1c64294649c0dd301035a7892 (diff) | |
| parent | a32d5b726ff8cf32bf491522b0ac8ae2545a063e (diff) | |
| download | linux-e576330033936d94a00068760a5744e27ce51a32.tar.gz | |
mtd: merge MTD development from v4.4 into for-v4.5 development
Small conflict between some bugfixes for 4.4 and some refactoring for 4.5. Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/mtdcore.c | 26 | ||||
| -rw-r--r-- | drivers/mtd/spi-nor/spi-nor.c | 10 |
2 files changed, 21 insertions, 15 deletions
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 89d811e7b04a..309625130b21 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -427,15 +427,6 @@ int add_mtd_device(struct mtd_info *mtd) mtd->erasesize_mask = (1 << mtd->erasesize_shift) - 1; mtd->writesize_mask = (1 << mtd->writesize_shift) - 1; - if (mtd->dev.parent) { - if (!mtd->owner && mtd->dev.parent->driver) - mtd->owner = mtd->dev.parent->driver->owner; - if (!mtd->name) - mtd->name = dev_name(mtd->dev.parent); - } else { - pr_debug("mtd device won't show a device symlink in sysfs\n"); - } - /* Some chips always power up locked. Unlock them now */ if ((mtd->flags & MTD_WRITEABLE) && (mtd->flags & MTD_POWERUP_LOCK)) { error = mtd_unlock(mtd, 0, mtd->size); @@ -554,6 +545,21 @@ static int mtd_add_device_partitions(struct mtd_info *mtd, return 0; } +/* + * Set a few defaults based on the parent devices, if not provided by the + * driver + */ +static void mtd_set_dev_defaults(struct mtd_info *mtd) +{ + if (mtd->dev.parent) { + if (!mtd->owner && mtd->dev.parent->driver) + mtd->owner = mtd->dev.parent->driver->owner; + if (!mtd->name) + mtd->name = dev_name(mtd->dev.parent); + } else { + pr_debug("mtd device won't show a device symlink in sysfs\n"); + } +} /** * mtd_device_parse_register - parse partitions and register an MTD device. @@ -592,6 +598,8 @@ int mtd_device_parse_register(struct mtd_info *mtd, const char * const *types, struct mtd_partitions parsed; int ret; + mtd_set_dev_defaults(mtd); + memset(&parsed, 0, sizeof(parsed)); ret = parse_mtd_partitions(mtd, types, &parsed, parser_data); diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 7e5051e604b0..f8f36d47575f 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -539,8 +539,8 @@ static int stm_unlock(struct spi_nor *nor, loff_t ofs, uint64_t len) return status_old; /* Cannot unlock; would unlock larger region than requested */ - if (stm_is_locked_sr(nor, status_old, ofs - mtd->erasesize, - mtd->erasesize)) + if (stm_is_locked_sr(nor, ofs - mtd->erasesize, mtd->erasesize, + status_old)) return -EINVAL; /* @@ -1225,8 +1225,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode) if (JEDEC_MFR(info) == SNOR_MFR_ATMEL || JEDEC_MFR(info) == SNOR_MFR_INTEL || - JEDEC_MFR(info) == SNOR_MFR_SST || - JEDEC_MFR(info) == SNOR_MFR_WINBOND) { + JEDEC_MFR(info) == SNOR_MFR_SST) { write_enable(nor); write_sr(nor, 0); } @@ -1242,8 +1241,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode) mtd->_read = spi_nor_read; /* NOR protection support for STmicro/Micron chips and similar */ - if (JEDEC_MFR(info) == SNOR_MFR_MICRON || - JEDEC_MFR(info) == SNOR_MFR_WINBOND) { + if (JEDEC_MFR(info) == SNOR_MFR_MICRON) { nor->flash_lock = stm_lock; nor->flash_unlock = stm_unlock; nor->flash_is_locked = stm_is_locked; |