From: Arnd Bergmann <arnd@arndb.de>
To: James Hogan <james.hogan@imgtec.com>
Cc: linux-arch@vger.kernel.org,
"linux-kernel" <linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH v1 24/40] metag: DMA
Date: Fri, 23 Nov 2012 16:47:27 +0000 [thread overview]
Message-ID: <201211231647.27260.arnd@arndb.de> (raw)
In-Reply-To: <50AFA24D.4030501@imgtec.com>
On Friday 23 November 2012, James Hogan wrote:
> Subject: [PATCH 1/1] asm-generic/io.h: check CONFIG_VIRT_TO_BUS
>
> Make asm-generic/io.h check CONFIG_VIRT_TO_BUS before defining
> virt_to_bus() and bus_to_virt(), otherwise it's easy to accidentally
> have a silently failing incorrect direct mapped definition rather then
> no definition at all.
>
> Signed-off-by: James Hogan <james.hogan@imgtec.com>
Good catch!
Acked-by: Arnd Bergmann <arnd@arndb.de>
next prev parent reply other threads:[~2012-11-23 16:47 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1351700061-7203-1-git-send-email-james.hogan@imgtec.com>
[not found] ` <1351700061-7203-25-git-send-email-james.hogan@imgtec.com>
[not found] ` <201211091425.13492.arnd@arndb.de>
[not found] ` <50AF9C06.3010705@imgtec.com>
2012-11-23 16:20 ` [RFC PATCH v1 24/40] metag: DMA James Hogan
2012-11-23 16:47 ` Arnd Bergmann [this message]
2013-01-09 16:04 ` James Hogan
2013-01-09 16:08 ` Arnd Bergmann
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