From patchwork Fri Nov 1 11:36:01 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolin Chen X-Patchwork-Id: 3124111 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 28A119F2D6 for ; Fri, 1 Nov 2013 11:38:53 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EE7152049C for ; Fri, 1 Nov 2013 11:38:51 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CFC4720458 for ; Fri, 1 Nov 2013 11:38:46 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VcD2d-0000ER-NB; Fri, 01 Nov 2013 11:37:28 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VcD2L-0004s2-Rt; Fri, 01 Nov 2013 11:37:09 +0000 Received: from co9ehsobe003.messaging.microsoft.com ([207.46.163.26] helo=co9outboundpool.messaging.microsoft.com) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VcD2B-0004nF-3S for linux-arm-kernel@lists.infradead.org; Fri, 01 Nov 2013 11:36:59 +0000 Received: from mail51-co9-R.bigfish.com (10.236.132.233) by CO9EHSOBE028.bigfish.com (10.236.130.91) with Microsoft SMTP Server id 14.1.225.22; Fri, 1 Nov 2013 11:36:37 +0000 Received: from mail51-co9 (localhost [127.0.0.1]) by mail51-co9-R.bigfish.com (Postfix) with ESMTP id E14681C0316; Fri, 1 Nov 2013 11:36:36 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 6 X-BigFish: VS6(zzzz1f42h2148h208ch1ee6h1de0h1fdah2073h2146h1202h1e76h1d1ah1d2ah1fc6h1082kz70kz1de098h8275bh1de097hz2dh2a8h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1b2fh2222h1fb3h1d0ch1d2eh1d3fh1dfeh1dffh1e23h1fe8h1ff5h2218h2216h1155h) Received: from mail51-co9 (localhost.localdomain [127.0.0.1]) by mail51-co9 (MessageSwitch) id 1383305794690376_13543; Fri, 1 Nov 2013 11:36:34 +0000 (UTC) Received: from CO9EHSMHS024.bigfish.com (unknown [10.236.132.242]) by mail51-co9.bigfish.com (Postfix) with ESMTP id A0BD17C00A2; Fri, 1 Nov 2013 11:36:34 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by CO9EHSMHS024.bigfish.com (10.236.130.34) with Microsoft SMTP Server (TLS) id 14.16.227.3; Fri, 1 Nov 2013 11:36:32 +0000 Received: from az84smr01.freescale.net (10.64.34.197) by 039-SN1MMR1-001.039d.mgd.msft.net (10.84.1.13) with Microsoft SMTP Server (TLS) id 14.3.158.2; Fri, 1 Nov 2013 11:36:32 +0000 Received: from rio.ap.freescale.net (rio.ap.freescale.net [10.192.242.9]) by az84smr01.freescale.net (8.14.3/8.14.0) with ESMTP id rA1Ba0uJ029435; Fri, 1 Nov 2013 04:36:26 -0700 From: Nicolin Chen To: , , , , , , , , , , , , , , , , Subject: [PATCH 3/8] dma: mmp_tdma: use gen_pool_dma_alloc() to allocate descriptor Date: Fri, 1 Nov 2013 19:36:01 +0800 Message-ID: X-Mailer: git-send-email 1.8.4 In-Reply-To: References: MIME-Version: 1.0 X-OriginatorOrg: freescale.com X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20131101_073659_310248_CB358352 X-CRM114-Status: UNSURE ( 7.99 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -4.2 (----) Cc: davinci-linux-open-source@linux.davincidsp.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Since gen_pool_dma_alloc() is introduced, we implement it to simplify code. Signed-off-by: Nicolin Chen --- 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; }