On Tue, Aug 05, 2008 at 03:36:43PM +0200, Guennadi Liakhovetski wrote:
> /*
> - * offs has to be aligned to a block address!
> + * offs has to be aligned to a page address!
> */
> block = offs / CFG_NAND_BLOCK_SIZE;
> + /* Recalculate offs as an offset inside a block */
> + offs -= CFG_NAND_BLOCK_SIZE * block;
> blockcopy_count = 0;
>
> - while (blockcopy_count < (uboot_size / CFG_NAND_BLOCK_SIZE)) {
> - if (!nand_is_bad_block(mtd, block)) {
> - /*
> - * Skip bad blocks
> - */
> - for (page = 0; page < CFG_NAND_PAGE_COUNT; page++) {
> - nand_read_page(mtd, block, page, dst);
> - dst += CFG_NAND_PAGE_SIZE;
> + while (blockcopy_count < ((uboot_size + CFG_NAND_BLOCK_SIZE - 1) /
> + CFG_NAND_BLOCK_SIZE)) {
If you're going to allow offs to be block-unaligned, I think this
calculation needs to change. For example: blocksize 16K, offset 14K, and
length 256K would try to read 16 blocks, when it needs to read 17.
-Scott
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