linux-kernel - Re: [PATCH 1/7] spi: Add support for device table matching

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Date:	Thu, 30 Jul 2009 06:12:50 +0400
From:	Anton Vorontsov <avorontsov@...mvista.com>
To:	Ben Dooks <ben-linux@...ff.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	David Brownell <dbrownell@...rs.sourceforge.net>,
	David Woodhouse <dwmw2@...radead.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Jean Delvare <khali@...ux-fr.org>,
	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
	lm-sensors@...sensors.org, linuxppc-dev@...abs.org
Subject: Re: [PATCH 1/7] spi: Add support for device table matching

On Thu, Jul 30, 2009 at 02:40:50AM +0400, Anton Vorontsov wrote:
[...]
> - If you don't store "id" in the device struct, you'll have
>   to look up the device table twice (at first during bus->match(),
>   and second time in drivers' probe() hook, i.e.
>   probe(struct bus_dev *dev) {
>   	id = bus_get_devid(dev); /* here */
>   }

Hm... actually, we're doing this anyway, but in spi core.

So, doing something like spi_get_device_id() might be a good
idea.

Thanks,

-- 
Anton Vorontsov
email: cbouatmailru@...il.com
irc://irc.freenode.net/bd2
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