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mtd: spi-nor: fix select_uniform_erase to skip 0 erase size

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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
This commit is contained in:
Michael Walle 2022-08-11 00:06:52 +02:00 committed by Tudor Ambarus
parent fa06bb26a4
commit 39eece67a3
1 changed files with 4 additions and 0 deletions
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4
drivers/mtd/spi-nor/core.c
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@ -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.