On Mon, May 2, 2011 at 04:53, Prafulla Wadaskar wrote:
> From: Simon Guinot [mailto:sgui...@lacie.com]
>> --- a/drivers/mtd/spi/macronix.c
>> +++ b/drivers/mtd/spi/macronix.c
>> +     if (macronix_disable_protect(&mcx->flash))
>> +             printf("SF: disable write protection failed\n");
>
> This will forced disable the flash being written.
> What if some one has purposely protected certain flash sectors?
>
> This feature should be addressed through protect CLI

there is no spi flash protect api today, so until that happens, what
Simon is proposing is correct
-mike
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