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cmd: mvebu/bubt: a38x: Do not hardcode SATA block size to 512

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Find SATA block device by blk_get_devnum_by_uclass_id() function and read
from it the real block size of the SATA disk. In case of error, fallback
back to 512 bytes.

Signed-off-by: Pali Rohár <pali@kernel.org>
This commit is contained in:
Pali Rohár 2023-04-11 20:35:51 +02:00 • committed by Stefan Roese
parent fa06a6df65
commit 4548b37a29
1 changed files with 5 additions and 2 deletions
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7
cmd/mvebu/bubt.c
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@ -924,8 +924,11 @@ static int check_image_header(void)
offset = le32_to_cpu(hdr->srcaddr); offset = le32_to_cpu(hdr->srcaddr);
size = le32_to_cpu(hdr->blocksize); size = le32_to_cpu(hdr->blocksize);
if (hdr->blockid == 0x78) /* SATA id */ if (hdr->blockid == 0x78) { /* SATA id */
offset *= 512; struct blk_desc *blk_dev = IS_ENABLED(BLK) ? blk_get_devnum_by_uclass_id(UCLASS_SCSI, 0) : NULL;
unsigned long blksz = blk_dev ? blk_dev->blksz : 512;
offset *= blksz;
}
if (offset % 4 != 0 || size < 4 || size % 4 != 0) { if (offset % 4 != 0 || size < 4 || size % 4 != 0) {
printf("Error: Bad A38x image blocksize.\n"); printf("Error: Bad A38x image blocksize.\n");