From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Anderson Briglia <briglia.anderson@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [patch 0/5] [RFC] Add MMC password protection (lock/unlock) support
Date: Wed, 14 Dec 2005 14:23:55 +0000 [thread overview]
Message-ID: <20051214142355.GA7124@flint.arm.linux.org.uk> (raw)
In-Reply-To: <e55525570512140529v8aafdd4m1290cf2c2069a7c8@mail.gmail.com>
On Wed, Dec 14, 2005 at 09:29:25AM -0400, Anderson Briglia wrote:
> - Currently, some host drivers assume the block length will always be a power
> of 2. This is not true for the MMC_LOCK_UNLOCK command, which is a block
> command that accepts arbitratry block lengths. We have made the necessary
> changes to the omap.c driver (present on the linux-omap tree), but the same
> needs to be done for other hosts' drivers.
Some MMC hosts require that the data transfer be a multiple of the
block size. Therefore, set blksz_bits to the biggest power of two
which represents the buffer, and use "blocks" to set the length of
the transfer.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
prev parent reply other threads:[~2005-12-14 14:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-14 13:29 [patch 0/5] [RFC] Add MMC password protection (lock/unlock) support Anderson Briglia
2005-12-14 14:23 ` Russell King [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20051214142355.GA7124@flint.arm.linux.org.uk \
--to=rmk+lkml@arm.linux.org.uk \
--cc=briglia.anderson@gmail.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox