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author | Michael Walle <michael@walle.cc> | 2022-08-11 00:06:52 +0200 |
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committer | Tudor Ambarus <tudor.ambarus@microchip.com> | 2022-11-21 15:37:16 +0200 |
commit | 39eece67a3cf027aa5b39d7da5feadc4711504e6 (patch) | |
tree | 7eb592f34b579a04482c17cbbb3fae53fed97e5c /drivers/mtd/spi-nor | |
parent | fa06bb26a40ca08fa0d653b04d8ce92d243aa2ce (diff) | |
download | linux-39eece67a3cf027aa5b39d7da5feadc4711504e6.tar.gz linux-39eece67a3cf027aa5b39d7da5feadc4711504e6.tar.bz2 linux-39eece67a3cf027aa5b39d7da5feadc4711504e6.zip |
mtd: spi-nor: fix select_uniform_erase to skip 0 erase size
4bait will set the erase size to 0 if there is no corresponding
opcode for the 4byte erase. Fix spi_nor_select_uniform_erase to skip
the 0 erase size to avoid mtd device registration failure cases.
Reported-by: Jae Hyun Yoo <quic_jaehyoo@quicinc.com>
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20220810220654.1297699-6-michael@walle.cc
Diffstat (limited to 'drivers/mtd/spi-nor')
-rw-r--r-- | drivers/mtd/spi-nor/core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 1358f3c45d16..2bdc5b50d8da 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -2120,6 +2120,10 @@ spi_nor_select_uniform_erase(struct spi_nor_erase_map *map, tested_erase = &map->erase_type[i]; + /* Skip masked erase types. */ + if (!tested_erase->size) + continue; + /* * If the current erase size is the one, stop here: * we have found the right uniform Sector Erase command. |