From: Chen Gang <gang.chen@asianux.com>
To: Arnd Bergmann <arnd@arndb.de>
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 17:40:33 +0800 [thread overview]
Message-ID: <51CC0891.9050704@asianux.com> (raw)
In-Reply-To: <51CC0598.2080409@asianux.com>
On 06/27/2013 05:27 PM, Chen Gang wrote:
> On 06/27/2013 04:30 PM, Arnd Bergmann wrote:
>> > 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.
>> >
Oh, sorry, the reply below is incorrect, I will check it, again, thanks.
> But m32r really has pci.h, and also can cause this issue.
--
Chen Gang
prev parent reply other threads:[~2013-06-27 9:41 UTC|newest]
Thread overview: 4+ 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
2013-06-27 9:27 ` Chen Gang
2013-06-27 9:40 ` Chen Gang [this message]
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