From: Arnd Bergmann <arnd@arndb.de>
To: Chen Gang <gang.chen@asianux.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>,
"dhowells@redhat.com" <dhowells@redhat.com>,
Paul McKenney <paulmck@linux.vnet.ibm.com>,
"sfr@canb.auug.org.au" <sfr@canb.auug.org.au>,
Rusty Russell <rusty@rustcorp.com.au>,
linux-m32r@ml.linux-m32r.org, linux-m32r-ja@ml.linux-m32r.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Linux-Arch <linux-arch@vger.kernel.org>
Subject: Re: [PATCH] arch: m32r: include: asm: add "dma-mapping-common.h"
Date: Thu, 27 Jun 2013 10:30:51 +0200 [thread overview]
Message-ID: <2831217.RWPZkclVnp@wuerfel> (raw)
In-Reply-To: <51CBC4B3.807@asianux.com>
On Thursday 27 June 2013 12:50:59 Chen Gang wrote:
> Need add generic "dma-mapping-common.h", or compiling may fail.
>
> The related error (with allmodconfig):
>
> CC [M] net/irda/irlan/irlan_eth.o
> drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_mmap’:
> drivers/media/v4l2-core/videobuf2-dma-contig.c:202:2: error: implicit declaration of function ‘dma_mmap_coherent’ [-Werror=implicit-function-declaration]
> drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_get_base_sgt’:
> drivers/media/v4l2-core/videobuf2-dma-contig.c:385:2: error: implicit declaration of function ‘dma_get_sgtable’ [-Werror=implicit-function-declaration]
>
>
> Signed-off-by: Chen Gang <gang.chen@asianux.com>
m32r does not provide the "common" version of the dma mapping API, so this
is certainly wrong.
Arnd
next prev parent reply other threads:[~2013-06-27 8:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-27 4:50 [PATCH] arch: m32r: include: asm: add "dma-mapping-common.h" Chen Gang
2013-06-27 8:30 ` Arnd Bergmann [this message]
2013-06-27 8:30 ` Arnd Bergmann
2013-06-27 9:27 ` Chen Gang
2013-06-27 9:40 ` Chen Gang
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