linux-kernel - [PATCH -mm 4/4] um: remove dma_sync_single

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Message-Id: <1265253206-17744-4-git-send-email-fujita.tomonori@lab.ntt.co.jp>
Date:	Thu,  4 Feb 2010 12:13:25 +0900
From:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To:	linux-kernel@...r.kernel.org
Cc:	fujita.tomonori@....ntt.co.jp, akpm@...ux-foundation.org,
	Jeff Dike <jdike@...toit.com>
Subject: [PATCH -mm 4/4] um: remove dma_sync_single_range

dma_sync_single_for_cpu/for_device supports a partial sync so there is
no point to have dma_sync_single_range (also dma_sync_single was
obsoleted long ago, replaced with dma_sync_single_for_cpu/for_device).

There is no user of dma_sync_single_range() in mainline and only Alpha
architecture supports dma_sync_single_range(). So it's unlikely that
someone out of the tree uses it.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Cc: Jeff Dike <jdike@...toit.com>
---
 arch/um/include/asm/dma-mapping.h |    8 --------
 1 files changed, 0 insertions(+), 8 deletions(-)

diff --git a/arch/um/include/asm/dma-mapping.h b/arch/um/include/asm/dma-mapping.h
index 378de4b..b948c14 100644
--- a/arch/um/include/asm/dma-mapping.h
+++ b/arch/um/include/asm/dma-mapping.h
@@ -104,14 +104,6 @@ dma_get_cache_alignment(void)
 }
 
 static inline void
-dma_sync_single_range(struct device *dev, dma_addr_t dma_handle,
-		      unsigned long offset, size_t size,
-		      enum dma_data_direction direction)
-{
-	BUG();
-}
-
-static inline void
 dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 	       enum dma_data_direction direction)
 {
-- 
1.5.6.5

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