From patchwork Fri Nov 1 11:36:03 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolin Chen X-Patchwork-Id: 3124221 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 90B80BEEB2 for ; Fri, 1 Nov 2013 11:39:48 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DED3D20435 for ; Fri, 1 Nov 2013 11:39:47 +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 267A020465 for ; Fri, 1 Nov 2013 11:39:43 +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 1VcD2y-0000RI-Er; Fri, 01 Nov 2013 11:37:49 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VcD2Z-0004tf-4G; Fri, 01 Nov 2013 11:37:23 +0000 Received: from mail-db8lp0184.outbound.messaging.microsoft.com ([213.199.154.184] helo=db8outboundpool.messaging.microsoft.com) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VcD2M-0004of-M3 for linux-arm-kernel@lists.infradead.org; Fri, 01 Nov 2013 11:37:11 +0000 Received: from mail104-db8-R.bigfish.com (10.174.8.229) by DB8EHSOBE019.bigfish.com (10.174.4.82) with Microsoft SMTP Server id 14.1.225.22; Fri, 1 Nov 2013 11:36:48 +0000 Received: from mail104-db8 (localhost [127.0.0.1]) by mail104-db8-R.bigfish.com (Postfix) with ESMTP id 6FBCEEC0077; Fri, 1 Nov 2013 11:36:48 +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 mail104-db8 (localhost.localdomain [127.0.0.1]) by mail104-db8 (MessageSwitch) id 1383305806677042_28049; Fri, 1 Nov 2013 11:36:46 +0000 (UTC) Received: from DB8EHSMHS004.bigfish.com (unknown [10.174.8.234]) by mail104-db8.bigfish.com (Postfix) with ESMTP id 9D2E6C4006C; Fri, 1 Nov 2013 11:36:46 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by DB8EHSMHS004.bigfish.com (10.174.4.14) with Microsoft SMTP Server (TLS) id 14.16.227.3; Fri, 1 Nov 2013 11:36:46 +0000 Received: from az84smr01.freescale.net (10.64.34.197) by 039-SN1MMR1-002.039d.mgd.msft.net (10.84.1.15) with Microsoft SMTP Server (TLS) id 14.3.158.2; Fri, 1 Nov 2013 11:36:44 +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 rA1Ba0uL029435; Fri, 1 Nov 2013 04:36:38 -0700 From: Nicolin Chen To: , , , , , , , , , , , , , , , , Subject: [PATCH 5/8] uio: uio_pruss: use gen_pool_dma_alloc() to allocate sram memory Date: Fri, 1 Nov 2013 19:36:03 +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_073710_956761_E38D45A5 X-CRM114-Status: UNSURE ( 8.73 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) 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/uio/uio_pruss.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/uio/uio_pruss.c b/drivers/uio/uio_pruss.c index f519da9..96c4a19 100644 --- a/drivers/uio/uio_pruss.c +++ b/drivers/uio/uio_pruss.c @@ -158,14 +158,12 @@ static int pruss_probe(struct platform_device *dev) if (pdata->sram_pool) { gdev->sram_pool = pdata->sram_pool; gdev->sram_vaddr = - gen_pool_alloc(gdev->sram_pool, sram_pool_sz); + (unsigned long)gen_pool_dma_alloc(gdev->sram_pool, + sram_pool_sz, &gdev->sram_paddr); if (!gdev->sram_vaddr) { dev_err(&dev->dev, "Could not allocate SRAM pool\n"); goto out_free; } - gdev->sram_paddr = - gen_pool_virt_to_phys(gdev->sram_pool, - gdev->sram_vaddr); } gdev->ddr_vaddr = dma_alloc_coherent(&dev->dev, extram_pool_sz,