From: Hideki EIRAKU <hdk@igel.co.jp>
To: Russell King <linux@arm.linux.org.uk>,
Pawel Osciak <pawel@osciak.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Mauro Carvalho Chehab <mchehab@infradead.org>,
Florian Tobias Schandinat <FlorianSchandinat@gmx.de>,
Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.de>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
linux-fbdev@vger.kernel.org, alsa-devel@alsa-project.org,
Katsuya MATSUBARA <matsu@igel.co.jp>,
Hideki EIRAKU <hdk@igel.co.jp>
Subject: [PATCH v2 1/4] ARM: dma-mapping: define ARCH_HAS_DMA_MMAP_COHERENT
Date: Thu, 26 Jul 2012 11:13:08 +0000 [thread overview]
Message-ID: <1343301191-26001-2-git-send-email-hdk@igel.co.jp> (raw)
In-Reply-To: <1343301191-26001-1-git-send-email-hdk@igel.co.jp>
ARCH_HAS_DMA_MMAP_COHERENT indicates that there is dma_mmap_coherent() API
in this architecture. The name is already defined in PowerPC.
Signed-off-by: Hideki EIRAKU <hdk@igel.co.jp>
---
arch/arm/include/asm/dma-mapping.h | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index bbef15d..f41cd30 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -187,6 +187,7 @@ extern int arm_dma_mmap(struct device *dev, struct vm_area_struct *vma,
struct dma_attrs *attrs);
#define dma_mmap_coherent(d, v, c, h, s) dma_mmap_attrs(d, v, c, h, s, NULL)
+#define ARCH_HAS_DMA_MMAP_COHERENT
static inline int dma_mmap_attrs(struct device *dev, struct vm_area_struct *vma,
void *cpu_addr, dma_addr_t dma_addr,
--
1.7.0.4
next prev parent reply other threads:[~2012-07-26 11:13 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-26 11:13 [PATCH v2 0/4] Use dma_mmap_coherent to support IOMMU mapper Hideki EIRAKU
2012-07-26 11:13 ` Hideki EIRAKU [this message]
2012-07-26 11:13 ` [PATCH v2 2/4] ALSA: pcm - Don't define ARCH_HAS_DMA_MMAP_COHERENT privately for ARM Hideki EIRAKU
2012-07-26 11:13 ` [PATCH v2 3/4] media: videobuf2-dma-contig: use dma_mmap_coherent if available Hideki EIRAKU
2012-07-30 7:43 ` Marek Szyprowski
2012-07-26 11:13 ` [PATCH v2 4/4] fbdev: sh_mobile_lcdc: " Hideki EIRAKU
2012-07-26 11:20 ` Laurent Pinchart
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