From: David Brownell <david-b@pacbell.net>
To: Mark Underwood <basicmark@yahoo.com>
Cc: vitalhome@rbcmail.ru, linux-kernel@vger.kernel.org,
dpervushin@gmail.com, akpm@osdl.org, komal_shah802003@yahoo.com,
stephen@streetfiresound.com,
spi-devel-general@lists.sourceforge.net, Joachim_Jaeger@digi.com
Subject: Re: [PATCH 2.6-git] SPI core refresh
Date: Sat, 3 Dec 2005 15:50:01 -0800 [thread overview]
Message-ID: <200512031550.01695.david-b@pacbell.net> (raw)
In-Reply-To: <20051203171037.94369.qmail@web36914.mail.mud.yahoo.com>
On Saturday 03 December 2005 9:10 am, Mark Underwood wrote:
>
> David, how would you feel about adding a NOT_DMAABLE flag in the spi_message structure?
Not good; it'd mean that every controller driver would have to support
both PIO and DMA modes. This minor issue (despite the noise!) isn't
worth making such an intrusive demand on all drivers.
> The other solution is to do a kmalloc for each caller (would could try to be smart and only do
> that if the buffer is being used).
That's far preferable. You could just submit the patch against rc3-mm1
and that'll do the job.
- Dave
next prev parent reply other threads:[~2005-12-03 23:50 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-03 11:49 [PATCH 2.6-git] SPI core refresh vitalhome
2005-12-03 17:10 ` Mark Underwood
2005-12-03 19:19 ` [spi-devel-general] " Vitaly Wool
2005-12-03 23:50 ` David Brownell [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-12-03 11:44 vitalhome
2005-12-01 16:11 Vitaly Wool
2005-12-01 16:21 ` Russell King
2005-12-01 16:30 ` Vitaly Wool
2005-12-01 18:04 ` Stephen Street
2005-12-01 18:22 ` Greg KH
2005-12-02 6:06 ` Vitaly Wool
2005-12-02 18:50 ` Mark Underwood
2005-12-02 20:13 ` Greg KH
2005-12-05 18:01 ` Vitaly Wool
2005-12-08 1:59 ` David Brownell
2005-12-08 6:33 ` Vitaly Wool
2005-12-09 22:55 ` David Brownell
2005-12-10 11:15 ` Vitaly Wool
2005-12-11 12:36 ` Vitaly Wool
2005-11-30 16:50 Vitaly Wool
2005-11-30 19:17 ` Russell King
2005-11-30 19:54 ` Greg KH
2005-11-30 20:29 ` Mark Underwood
2005-12-01 7:17 ` Vitaly Wool
2005-12-01 18:31 ` David Brownell
2005-12-02 5:48 ` Vitaly Wool
2005-12-02 18:37 ` Mark Underwood
2005-11-30 21:26 ` David Brownell
2005-11-30 21:27 ` David Brownell
2005-12-12 16:57 ` Vitaly Wool
2005-12-13 22:16 ` David Brownell
2005-11-30 21:36 ` David Brownell
2005-11-30 21:59 ` Stephen Street
2005-12-01 7:31 ` Vitaly Wool
2005-12-01 7:24 ` Vitaly Wool
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