linux-kernel - Re: Putting the sdhci to sleep safely [with attachments]

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Message-ID: <20061225211432.GA2460@elf.ucw.cz>
Date:	Mon, 25 Dec 2006 22:14:32 +0100
From:	Pavel Machek <pavel@....cz>
To:	Tony Mobily <merc@...ily.com>
Cc:	Greg Kroah-Hartman <gregkh@...e.de>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: Putting the sdhci to sleep safely [with attachments]

Hi!

(Please always cc: linux-kernel@ with such stuff).

> I am the Editor In Chief of Free Software Magazine
> (http://www.freesoftwaremagazine.com)
> I am in a bit of a mission: I would like to see the module sdhci put my
> card reader to sleep without getting the system highly
> unstable. This is

Well, suspend works for me, and my machine seems to have sdhci:

0000:15:00.2 0805: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host
Adapter (rev 18)

> Pierre Ossman, the maintainer of the sdhci module, wrote to me:
> 
> "Anyway, as far as I know, this isn't a bug in the driver, so there is
> not very much I can do. The problem is somewhere in the PCI interaction,
> but I've sent numerous mail to the kernel PCI hackers, but have yet to
> receive a single reply."

I've certainly not seen such a mail. Can you get info what is wrong
with that, and cc lkml, me and greg?

> This is why I felt there was no point for me to file a big report...

> So, here I am... please find attache my lspci and the log of what
> happens when the computer is put to sleep.
> 
> I would also be happy to organise a bounty for this bug to be fixed.

:-). Just hunt it yourself. It is probably easier than organizing a bounty.

Ouch... you failed to mention what kernel you are using?
								Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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