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From: David Rientjes <rientjes@google.com>
To: Andrew Morton <akpm@linux-foundation.org>,
Adam Belay <abelay@mit.edu>, Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
Russell King <linux@arm.linux.org.uk>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [patch 1/4] pnp: only assign IORESOURCE_DMA if CONFIG_ISA_DMA_API is enabled
Date: Thu, 3 Feb 2011 12:01:55 -0800 (PST) [thread overview]
Message-ID: <alpine.DEB.2.00.1102031201430.27201@chino.kir.corp.google.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1101261912200.7809@chino.kir.corp.google.com>
On Wed, 26 Jan 2011, David Rientjes wrote:
> IORESOURCE_DMA cannot be assigned without utilizing the interface
> provided by CONFIG_ISA_DMA_API, specifically request_dma() and
> free_dma(). Thus, there's a strict dependency on the config option and
> limits IORESOURCE_DMA only to architectures that support ISA-style DMA.
>
> ia64 is not one of those architectures, so pnp_check_dma() no longer
> needs to be special-cased for that architecture.
>
> pnp_assign_resources() will now return -EINVAL if IORESOURCE_DMA is
> attempted on such a kernel.
>
> Signed-off-by: David Rientjes <rientjes@google.com>
Are there any objections to merging this?
prev parent reply other threads:[~2011-02-03 20:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-27 3:14 David Rientjes
2011-01-27 3:14 ` [patch 2/4] x86: only compile 8237A " David Rientjes
2011-01-27 3:14 ` [patch 3/4] x86: only compile floppy driver " David Rientjes
2011-01-27 3:14 ` [patch 4/4] x86: allow CONFIG_ISA_DMA_API to be disabled David Rientjes
2011-01-27 8:23 ` Arnd Bergmann
2011-01-27 21:48 ` [patch v2 " David Rientjes
2011-02-03 20:01 ` David Rientjes [this message]
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