Re: [patch 4/5] [RFC] Add MMC Password Protection (lock/unlock) supportV7: mmc_sysfs.diff

[Anderson Briglia]

ext Pierre Ossman wrote:
> Anderson Briglia wrote:
> > Hi Pierre,
> >
> > ext Pierre Ossman wrote:
> > > Patch looks ok. But I never got an answer what the difference between
> > > "change" and "assign" is.
> > You're right, the command is the same, but the difference is the
> > password's
> > length and password itself sent to the card.
> > According to MMC spec 4.1, when a password replacement is done, the
> > length value
> > (PWD_LEN) shall include both passwords, the old and the new one, and
> > the password
> > (PWD) shall include the old (currently) followed by the new password.
>
> So shouldn't this be something that userspace handles?

I merged the code for "change" and "assign". But the action (returned from kernel
to user space application continues as "change" and "assign" separately.

Anderson Briglia
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/