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From: Pierre Ossman <pierre@ossman.eu>
To: David Vrabel <david.vrabel@csr.com>
Cc: Ohad Ben-Cohen <ohad@wizery.com>,
	Philip Langdale <philipl@overt.org>,
	akpm@linux-foundation.org, ian@mnementh.co.uk,
	matt@console-pimps.org, roberto.foglietta@gmail.com,
	linux-mmc@vger.kernel.org
Subject: Re: [PATCH] sdio: add MMC_CAP_VDD_165_195 host capability
Date: Wed, 14 Oct 2009 13:05:02 +0200	[thread overview]
Message-ID: <20091014130502.1cbed7f8@mjolnir.ossman.eu> (raw)
In-Reply-To: <4AD5A942.3000207@csr.com>

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On Wed, 14 Oct 2009 11:34:42 +0100
David Vrabel <david.vrabel@csr.com> wrote:

> 
> It can be done per-card, the switch to the lower voltage just needs to
> be deferred.  Initially set the voltage to a standard one that's
> supported by the card and host.  After the card is fully initialized and
> enumerated, have a hook for per-card fixups.  For the particular
> non-standard card in question, this would then reduce the voltage to 1.8V.
> 

In theory. But it would require a bit of redesign of the code as it
would have to restart the whole init again.

Rgds
-- 
     -- Pierre Ossman

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  reply	other threads:[~2009-10-14 11:05 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-28 17:51 [PATCH] sdio: add MMC_CAP_VDD_165_195 host capability Ohad Ben-Cohen
2009-09-28 18:09 ` David Vrabel
2009-09-28 20:02   ` Ohad Ben-Cohen
2009-09-29  2:25   ` Philip Langdale
2009-09-29 18:28     ` Pierre Ossman
2009-09-29 20:20       ` Philip Langdale
2009-09-29 21:37         ` Pierre Ossman
2009-09-30  6:10           ` Philip Langdale
2009-10-08 18:38             ` Pierre Ossman
2009-10-10 18:42               ` Philip Langdale
2009-10-12 13:11                 ` David Vrabel
2009-10-13  2:39                   ` Philip Langdale
2009-10-14  7:56                     ` Ohad Ben-Cohen
2009-10-14  8:48                       ` Pierre Ossman
2009-10-14 10:34                         ` David Vrabel
2009-10-14 11:05                           ` Pierre Ossman [this message]
  -- strict thread matches above, loose matches on Subject: below --
2009-09-28 17:55 Ohad Ben-Cohen
2009-09-28 17:58 Ohad Ben-Cohen
2009-09-28 18:10 ` Matt Fleming
2009-09-28 20:10   ` Ohad Ben-Cohen
2009-09-28 22:59   ` Andrew Morton
2009-09-29  5:53     ` Matt Fleming

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