+ arch-arm-mach-davinci-sramc-use-gen_pool_dma_alloc-to-sramc.patch added to -mm tree

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Subject: + arch-arm-mach-davinci-sramc-use-gen_pool_dma_alloc-to-sramc.patch added to -mm tree
To: b42378@xxxxxxxxxxxxx,khilman@xxxxxxxxxxxxxxxxxxx,linux@xxxxxxxxxxxxxxxx,nsekhar@xxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 04 Nov 2013 14:17:10 -0800


The patch titled
     Subject: arch/arm/mach-davinci/sram.c: use gen_pool_dma_alloc() to sram.c
has been added to the -mm tree.  Its filename is
     arch-arm-mach-davinci-sramc-use-gen_pool_dma_alloc-to-sramc.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/arch-arm-mach-davinci-sramc-use-gen_pool_dma_alloc-to-sramc.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/arch-arm-mach-davinci-sramc-use-gen_pool_dma_alloc-to-sramc.patch

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------------------------------------------------------
From: Nicolin Chen <b42378@xxxxxxxxxxxxx>
Subject: arch/arm/mach-davinci/sram.c: use gen_pool_dma_alloc() to sram.c

Since gen_pool_dma_alloc() is introduced, we implement it to simplify code.

Signed-off-by: Nicolin Chen <b42378@xxxxxxxxxxxxx>
Cc: Sekhar Nori <nsekhar@xxxxxx>
Cc: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 arch/arm/mach-davinci/sram.c |    9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff -puN arch/arm/mach-davinci/sram.c~arch-arm-mach-davinci-sramc-use-gen_pool_dma_alloc-to-sramc arch/arm/mach-davinci/sram.c
--- a/arch/arm/mach-davinci/sram.c~arch-arm-mach-davinci-sramc-use-gen_pool_dma_alloc-to-sramc
+++ a/arch/arm/mach-davinci/sram.c
@@ -25,7 +25,6 @@ struct gen_pool *sram_get_gen_pool(void)
 
 void *sram_alloc(size_t len, dma_addr_t *dma)
 {
-	unsigned long vaddr;
 	dma_addr_t dma_base = davinci_soc_info.sram_dma;
 
 	if (dma)
@@ -33,13 +32,7 @@ void *sram_alloc(size_t len, dma_addr_t
 	if (!sram_pool || (dma && !dma_base))
 		return NULL;
 
-	vaddr = gen_pool_alloc(sram_pool, len);
-	if (!vaddr)
-		return NULL;
-
-	if (dma)
-		*dma = gen_pool_virt_to_phys(sram_pool, vaddr);
-	return (void *)vaddr;
+	return gen_pool_dma_alloc(sram_pool, len, dma);
 
 }
 EXPORT_SYMBOL(sram_alloc);
_

Patches currently in -mm which might be from b42378@xxxxxxxxxxxxx are

linux-next.patch
lib-genalloc-add-a-helper-function-for-dma-buffer-allocation.patch
arch-arm-mach-davinci-sramc-use-gen_pool_dma_alloc-to-sramc.patch
drivers-dma-mmp_tdmac-use-gen_pool_dma_alloc-to-allocate-descriptor.patch
drivers-media-platform-codac-use-gen_pool_dma_alloc-to-allocate-iram-buffer.patch
drivers-uio-uio_prussc-use-gen_pool_dma_alloc-to-allocate-sram-memory.patch
sound-soc-davinci-davinci-pcmc-use-gen_pool_dma_alloc-in-davinci-pcmc.patch
sound-soc-pxa-mmp-pcmc-use-gen_pool_dma_alloc-to-allocate-dma-buffer.patch
sound-core-memallocc-use-gen_pool_dma_alloc-to-allocate-iram-buffer.patch

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