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disk: disk_access_flash: align buffer

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Flash drivers may impose alignment requirements on the destination
buffers due to use of DMA transfers.  In particular Nordic QSPI flash
API requires that addresses, sizes, and buffers all be 4-byte aligned.
Align the ready/copy buffer to satisfy this requirement.

Signed-off-by: Peter A. Bigot <pab@pabigot.com>
This commit is contained in:
Peter A. Bigot 2020-04-18 22:23:01 -05:00 • committed by Carles Cufí
commit 2b33467a61
1 changed files with 1 additions and 1 deletions
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2
subsys/disk/disk_access_flash.c
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@ -19,7 +19,7 @@
static struct device *flash_dev;
/* flash read-copy-erase-write operation */
static u8_t read_copy_buf[CONFIG_DISK_ERASE_BLOCK_SIZE];
static u8_t __aligned(4) read_copy_buf[CONFIG_DISK_ERASE_BLOCK_SIZE];
static u8_t *fs_buff = read_copy_buf;
/* calculate number of blocks required for a given size */