linux-kernel - [PATCH][RESEND 3/8] dma: mmp_tdma: use gen_pool_dma

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <b7d5dce9fcc118a60261824196c820de6fb434a2.1383306365.git.b42378@freescale.com>
Date:	Fri, 1 Nov 2013 19:48:16 +0800
From:	Nicolin Chen <b42378@...escale.com>
To:	<akpm@...ux-foundation.org>, <joe@...ches.com>, <nsekhar@...com>,
	<khilman@...prootsystems.com>, <linux@....linux.org.uk>,
	<dan.j.williams@...el.com>, <vinod.koul@...el.com>,
	<m.chehab@...sung.com>, <hjk@...sjkoch.de>,
	<gregkh@...uxfoundation.org>, <perex@...ex.cz>, <tiwai@...e.de>,
	<lgirdwood@...il.com>, <broonie@...nel.org>,
	<rmk+kernel@....linux.org.uk>, <eric.y.miao@...il.com>,
	<haojian.zhuang@...il.com>
CC:	<linux-kernel@...r.kernel.org>,
	<davinci-linux-open-source@...ux.davincidsp.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	<dmaengine@...r.kernel.org>, <linux-media@...r.kernel.org>,
	<alsa-devel@...a-project.org>
Subject: [PATCH][RESEND 3/8] dma: mmp_tdma: 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@...escale.com>
---
 drivers/dma/mmp_tdma.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c
index 2b4026d..3ddacc1 100644
--- a/drivers/dma/mmp_tdma.c
+++ b/drivers/dma/mmp_tdma.c
@@ -378,12 +378,7 @@ struct mmp_tdma_desc *mmp_tdma_alloc_descriptor(struct mmp_tdma_chan *tdmac)
 	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;
 }
-- 
1.8.4


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/