+ drivers-dma-mmp_tdmac-use-gen_pool_dma_alloc-to-allocate-descriptor.patch added to -mm tree

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Subject: + drivers-dma-mmp_tdmac-use-gen_pool_dma_alloc-to-allocate-descriptor.patch added to -mm tree
To: b42378@xxxxxxxxxxxxx,dan.j.williams@xxxxxxxxx,grant.likely@xxxxxxxxxx,vinod.koul@xxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 04 Nov 2013 14:17:11 -0800


The patch titled
     Subject: drivers/dma/mmp_tdma.c: use gen_pool_dma_alloc() to allocate descriptor
has been added to the -mm tree.  Its filename is
     drivers-dma-mmp_tdmac-use-gen_pool_dma_alloc-to-allocate-descriptor.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/drivers-dma-mmp_tdmac-use-gen_pool_dma_alloc-to-allocate-descriptor.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/drivers-dma-mmp_tdmac-use-gen_pool_dma_alloc-to-allocate-descriptor.patch

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------------------------------------------------------
From: Nicolin Chen <b42378@xxxxxxxxxxxxx>
Subject: drivers/dma/mmp_tdma.c: use gen_pool_dma_alloc() to allocate descriptor

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

Signed-off-by: Nicolin Chen <b42378@xxxxxxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Vinod Koul <vinod.koul@xxxxxxxxx>
Cc: Grant Likely <grant.likely@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 drivers/dma/mmp_tdma.c |    7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff -puN drivers/dma/mmp_tdma.c~drivers-dma-mmp_tdmac-use-gen_pool_dma_alloc-to-allocate-descriptor drivers/dma/mmp_tdma.c
--- a/drivers/dma/mmp_tdma.c~drivers-dma-mmp_tdmac-use-gen_pool_dma_alloc-to-allocate-descriptor
+++ a/drivers/dma/mmp_tdma.c
@@ -378,12 +378,7 @@ struct mmp_tdma_desc *mmp_tdma_alloc_des
 	if (!gpool)
 		return NULL;
 
-	tdmac->desc_arr = (void *)gen_pool_alloc(gpool, size);
-	if (!tdmac->desc_arr)
-		return NULL;
-
-	tdmac->desc_arr_phys = gen_pool_virt_to_phys(gpool,
-			(unsigned long)tdmac->desc_arr);
+	tdmac->desc_arr = gen_pool_dma_alloc(gpool, size, &tdmac->desc_arr_phys);
 
 	return tdmac->desc_arr;
 }
_

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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