Re: [U-Boot] [PATCH] Nand: Implement raw read/write and biterr

On Wed, Sep 30, 2009 at 02:22:09PM -0500, Tom wrote:

John Rigby wrote:

...

@@ -494,13 +600,16 @@ U_BOOT_CMD(nand, CONFIG_SYS_MAXARGS, 1, do_nand, "nand write - addr off|partition size\n" " read/write 'size' bytes starting at offset 'off'\n" " to/from memory address 'addr', skipping bad blocks.\n"

• " .oob - reads/writes oob only.\n"
• " .raw - reads/writes both main and oob with no error\n"
• " detection or correction\n"

Writing the oob area directly is UNSAFE. Having done to myself, it was a pain to undo. You should put at least document that.

If we warn about oob being unsafe, the same warning should be made for raw.

-Scott