From: Michael Buesch <mb@bu3sch.de>
To: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Christoph Hellwig <hch@infradead.org>,
John Linville <linville@tuxdriver.com>,
Andi Kleen <andi@firstfloor.org>,
David Miller <davem@davemloft.net>,
Alan Cox <alan@lxorguk.ukuu.org.uk>, Ingo Molnar <mingo@elte.hu>,
bcm43xx-dev@lists.berlios.de, linux-wireless@vger.kernel.org,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/3] Add API for weak DMA masks
Date: Thu, 1 May 2008 19:25:45 +0200 [thread overview]
Message-ID: <200805011925.46200.mb@bu3sch.de> (raw)
In-Reply-To: <200805011022.55390.jbarnes@virtuousgeek.org>
On Thursday 01 May 2008 19:22:55 Jesse Barnes wrote:
> On Thursday, May 01, 2008 10:16 am Michael Buesch wrote:
> > Ok, will redo the patches with that added and the name changed.
> >
> > > Most drivers just do the fallback themselves, right?
> >
> > Right.
> >
> > > So it makes sense to
> > > just update the current code to fallback, and update drivers wanting
> > > specific mask values to check afterwards. I hate to inflict that kind of
> > > driver wide update on Michael though... :)
> >
> > Well, that's a lot of work and I'm not sure it's worth it.
> > I could live with having dma_set_mask as an API that fails on bad masks
> > and dma_request_mask as an API above that which retries. I think that's
> > just fine. Drivers can be migrated over time to the new API (or not. That
> > can be the driver maintainer's choice).
>
> Can you also update the docs with the new call, indicating that it should
> probably used in all but special cases?
Yeah sure. Forgot that.
--
Greetings Michael.
next prev parent reply other threads:[~2008-05-01 17:26 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-01 14:38 [PATCH 0/3] Add API for weak DMA masks Michael Buesch
2008-05-01 9:00 ` Arjan van de Ven
2008-05-01 14:40 ` [PATCH 1/3] Add dma_set_mask_weak() API Michael Buesch
2008-05-01 16:20 ` Alan Cox
2008-05-01 17:11 ` Michael Buesch
2008-05-01 14:41 ` [PATCH 2/3] ssb: Add weak DMA-mask API Michael Buesch
2008-05-01 14:43 ` [PATCH 3/3] b43: Use the new " Michael Buesch
2008-05-01 15:36 ` [PATCH 0/3] Add API for weak DMA masks Christoph Hellwig
2008-05-01 15:42 ` Michael Buesch
2008-05-01 15:43 ` Christoph Hellwig
2008-05-01 15:47 ` Michael Buesch
2008-05-01 15:58 ` Christoph Hellwig
2008-05-01 16:07 ` Michael Buesch
2008-05-01 16:30 ` Jesse Barnes
2008-05-01 17:16 ` Michael Buesch
2008-05-01 17:22 ` Jesse Barnes
2008-05-01 17:25 ` Michael Buesch [this message]
2008-05-01 17:27 ` Jesse Barnes
2008-05-01 17:33 ` Michael Buesch
2008-05-01 16:29 ` Alan Cox
2008-05-01 21:39 ` David Miller
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