linux-kernel - [PATCH] ALSA: pcm - Don't define ARCH_HAS_DMA_MMAP

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Date:	Wed, 25 Jul 2012 18:01:00 +0200
From:	Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:	Hideki EIRAKU <hdk@...l.co.jp>
Cc:	Russell King <linux@....linux.org.uk>,
	Pawel Osciak <pawel@...iak.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Mauro Carvalho Chehab <mchehab@...radead.org>,
	Florian Tobias Schandinat <FlorianSchandinat@....de>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-media@...r.kernel.org, linux-fbdev@...r.kernel.org,
	Katsuya MATSUBARA <matsu@...l.co.jp>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>
Subject: [PATCH] ALSA: pcm - Don't define ARCH_HAS_DMA_MMAP_COHERENT privately for ARM

The ARM architecture now defines ARCH_HAS_DMA_MMAP_COHERENT, there's no
need to define it privately anymore.

Signed-off-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
---
 sound/core/pcm_native.c |    7 -------
 1 files changed, 0 insertions(+), 7 deletions(-)

Hi Eiraku-san,

Could you please add this cleanup patch to your "Use dma_mmap_coherent to
support IOMMU mapper" series ?

diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 53b5ada..84ead60 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -3156,13 +3156,6 @@ static const struct vm_operations_struct snd_pcm_vm_ops_data_fault = {
 	.fault =	snd_pcm_mmap_data_fault,
 };
 
-#ifndef ARCH_HAS_DMA_MMAP_COHERENT
-/* This should be defined / handled globally! */
-#ifdef CONFIG_ARM
-#define ARCH_HAS_DMA_MMAP_COHERENT
-#endif
-#endif
-
 /*
  * mmap the DMA buffer on RAM
  */
-- 
Regards,

Laurent Pinchart

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