From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Christoph Hellwig <hch@infradead.org>
Cc: Michael Buesch <mb@bu3sch.de>,
Jesse Barnes <jbarnes@virtuousgeek.org>,
John Linville <linville@tuxdriver.com>,
Andi Kleen <andi@firstfloor.org>,
David Miller <davem@davemloft.net>, 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 17:29:13 +0100 [thread overview]
Message-ID: <20080501172913.08975881@core> (raw)
In-Reply-To: <20080501153618.GA470@infradead.org>
> Why do we need it? Is the call to set the 32bit mask when it fails
> a too big burden for the driver author?
We have tons of drivers that go
try and set 64bit
oh failed
try and set 32 bit
oh worked
When what most actually want is "set it no more than this wide" - a
request or even a "pci_set_best_mask()" type idea.
Lots less code duplication.
next prev parent reply other threads:[~2008-05-01 16:37 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
2008-05-01 17:27 ` Jesse Barnes
2008-05-01 17:33 ` Michael Buesch
2008-05-01 16:29 ` Alan Cox [this message]
2008-05-01 21:39 ` David Miller
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