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SubjectRe: [patch 1/5] Add MMC password protection (lock/unlock) support V3
Tony Lindgren wrote:
> * Russell King <rmk+lkml@arm.linux.org.uk> [060111 06:44]:
>
>>On Wed, Jan 11, 2006 at 09:16:28AM -0400, Anderson Briglia wrote:
>>
>>>Russell King wrote:
>>>
>>>
>>>>On Mon, Jan 09, 2006 at 06:15:00PM -0400, Anderson Briglia wrote:
>>>>
>>>>
>>>>
>>>>>When a card is locked, only commands from the "basic" and "lock card" classes
>>>>>are accepted. To be able to use the other commands, the card must be unlocked
>>>>>first.
>>>>>
>>>>>
>>>>
>>>>I don't think this works as you intend.
>>>>
>>>>When a card is initially inserted, we discover the cards via mmc_setup()
>>>>and mmc_discover_cards(). This means that we'll never set the locked
>>>>status for newly inserted cards.
>>>>
>>>>
>>>
>>>mmc_setup() calls mmc_check_cards(). Our patch adds the necessary code
>>>to mmc_check_cards() to set the locked state when the card is locked.
>>
>>Not in Linus' kernel, it doesn't.
>>
>>If you're working off the OMAP tree, bear in mind that I've found in
>>the past that they have a large number of wrong or inappropriate
>>changes to the MMC layer in there. They don't regularly merge either,
>>and they certainly don't forward any bug fixes for review in a timely
>>manner.
>
>
> I agree the omap MMC driver should be cleaned-up and finally merged.
>
> Anderson, since you are already patching it, do you want to take care of
> cleaning it up a bit and posting it here?

OK Tony. I'll do it and post here asap.

Regards,

Anderson Briglia
INdT - Manaus


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