linux-kernel - Re: [mmc] alternative TI FM MMC/SD driver for 2.6.21-rc7

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Date:	Mon, 23 Apr 2007 06:16:16 -0700 (PDT)
From:	Alex Dubov <oakad@...oo.com>
To:	Sergey Yanovich <ynvich@...il.com>
Cc:	linux-kernel@...r.kernel.org, Matthew Garrett <mjg59@...f.ucam.org>
Subject: Re: [mmc] alternative TI FM MMC/SD driver for 2.6.21-rc7

--- Sergey Yanovich <ynvich@...il.com> wrote:

> > > For a typical, non-linux-geek user there are just two states of the device -
> > > available and not available. Ububtu is famous for its end-user support.
> > > They ship your driver since linux-2.6.17. But they pack it in one module.
> > > And that is _much_ easier, then a hotplug script.
> >
> > No, we ship a udev script.
> 
> OK, me bad for using the present tense. But you had a single module
> in Oct 2006, didn't you? And maybe, you would like to post the script.

Here's a simple udev rule that will do what you want:

SUBSYSTEM=="tifm", ACTION=="add", TIFM_CARD_TYPE=="SD", RUN+="/sbin/modprobe tifm_sd"

(just stick it somewhere in the udev rules).

You shall take into consideration that mmc currently lacks uevent support, so mmc_block must be
loaded manually (this is a long pending todo thingy; supposedly it waits for the first sdio
driver). There's no direct dependency of tifm_sd on mmc_block (only on mmc_core).

May be I'll add a modalias entry later so the explicit rule will not be needed.

As a side note: I have some very good reasons for the current driver architecture. You may want to
look them up in the mail archive (I outlined them during the initial driver submission).

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