On Tue, May 24, 2011 at 10:18:37AM -0400, Ben Gardiner wrote:
> diff --git a/common/cmd_nand.c b/common/cmd_nand.c
> index e7db4c9..786f179 100644
> --- a/common/cmd_nand.c
> +++ b/common/cmd_nand.c
> @@ -575,6 +575,16 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char
> * const argv[])
> else
> ret = nand_write_skip_bad(nand, off, &rwsize,
> (u_char *)addr, 0);
> +#ifdef CONFIG_CMD_NAND_TRIMFFS
> + } else if (!strcmp(s, ".trimffs")) {
> + if (read) {
> + printf("Unknown nand command suffix '%s'\n", s);
> + return 1;
> + }
> + ret = nand_write_skip_bad(nand, off, &rwsize,
> + (u_char *)addr,
> + WITH_DROP_FFS);
> +#endif
> #ifdef CONFIG_CMD_NAND_YAFFS
> } else if (!strcmp(s, ".yaffs")) {
Should these really be modes rather than flags?
> + nand write.trimffs addr ofs|partition size
> + Enabled by the CONFIG_CMD_NAND_TRIMFFS macro. This command will write
> to
> + the NAND flash in a manner identical to the 'nand write' command
> described
> + above -- with the additional check that all pages at the end of
> + eraseblocks which contain only 0xff data will not be written to the
> NAND
> + flash. This behaviour is required when flashing UBI images containing
> + UBIFS volumes as per the UBI FAQ[1].
Please wrap at 80 columns.
-Scott
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