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flash: sam0: set write_block_size=1 when EMULATE_BYTE_PAGES is set

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The sam0 has a page size of 64 bytes, making it incompatible with
the nvs driver that specifies a maximum write block size of
32 bytes. When CONFIG_SOC_FLASH_SAM0_EMULATE_BYTE_PAGES is set,
it should report a write block size of 1 byte, which is compatible
with nvs.

Signed-off-by: Adam Serbinski <aserbinski@gmail.com>
This commit is contained in:
Adam Serbinski 2020-04-29 16:21:14 -04:00 • committed by Ioannis Glaropoulos
commit 26be827af8
1 changed files with 4 additions and 0 deletions
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4
drivers/flash/flash_sam0.c
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@ -417,7 +417,11 @@ static const struct flash_driver_api flash_sam0_api = {
#ifdef CONFIG_FLASH_PAGE_LAYOUT
.page_layout = flash_sam0_page_layout,
#endif
#if CONFIG_SOC_FLASH_SAM0_EMULATE_BYTE_PAGES
.write_block_size = 1,
#else
.write_block_size = FLASH_PAGE_SIZE,
#endif
};
static struct flash_sam0_data flash_sam0_data_0;