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Sun, 26 May 2019 23:55:24 -0700 Received: from saturn.analog.com (10.50.1.244) by NWD2HUBCAS7.ad.analog.com (10.64.69.107) with Microsoft SMTP Server id 14.3.408.0; Mon, 27 May 2019 02:55:23 -0400 From: Alexandru Ardelean To: CC: Alexandru Ardelean Subject: [PATCH 3/3][V3] dmaengine: axi-dmac: assign `copy_align` property Date: Mon, 27 May 2019 09:55:18 +0300 Message-ID: <20190527065518.18613-3-alexandru.ardelean@analog.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190527065518.18613-1-alexandru.ardelean@analog.com> References: <20190527065518.18613-1-alexandru.ardelean@analog.com> MIME-Version: 1.0 X-ADIRoutedOnPrem: True X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:137.71.25.55;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(136003)(376002)(39860400002)(396003)(346002)(2980300002)(189003)(199004)(5660300002)(186003)(4744005)(77096007)(26005)(7636002)(70206006)(53416004)(48376002)(50466002)(50226002)(8936002)(316002)(16586007)(47776003)(2351001)(478600001)(86362001)(305945005)(70586007)(6916009)(2906002)(106002)(126002)(7696005)(11346002)(426003)(44832011)(1076003)(336012)(486006)(36756003)(107886003)(4326008)(8676002)(246002)(6666004)(356004)(446003)(51416003)(2616005)(76176011)(476003)(81973001);DIR:OUT;SFP:1101;SCL:1;SRVR:MWHPR03MB3136;H:nwd2mta1.analog.com;FPR:;SPF:Pass;LANG:en;PTR:nwd2mail10.analog.com;MX:1;A:1; X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: b30776f0-3c48-4eb5-c7b7-08d6e2704bb4 X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(4709054)(1401327)(2017052603328);SRVR:MWHPR03MB3136; X-MS-TrafficTypeDiagnostic: MWHPR03MB3136: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5516; X-Forefront-PRVS: 0050CEFE70 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam-Message-Info: NF2hvDjdrcpSUaunWsOEBuh9FeQnZRR/sD7MJBYTQqTL2WqlNH6pv6pMlgds1VGvo5Y8CNRo87dBA1hDyARkB1P6d+1jPhBx8I3C/2QSI5G9VOfk9zqIVYDHLaTVOh9wA6o+cp5ouIserdkLyWJXON+lCleatyVySsH0x+uhvpN8Pz2/TcW1joi2ihkTW107XD/zFuICcBgspwXGJj/5WpsCS/PhtU3t7+YPYiuYxgvrdr937rgeoRHZPU52SgdqN3nfu1XPGRCb4ILaTOkuIlDZEv56yXrMq/grBrdPlSv9XJgvIQApvlPREJRcPUiKtxWzzt3TVDWQJ3Z4u2q2rC1UIJg26dk0fh0si9f8vOyUbQkMYDBWa3RjyHGydivttYqtTHXkE2hgXf775PWAlrzkKroGT2nafFuOdmYB3Xo= X-OriginatorOrg: analog.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 May 2019 06:55:25.0934 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b30776f0-3c48-4eb5-c7b7-08d6e2704bb4 X-MS-Exchange-CrossTenant-Id: eaa689b4-8f87-40e0-9c6f-7228de4d754a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=eaa689b4-8f87-40e0-9c6f-7228de4d754a;Ip=[137.71.25.55];Helo=[nwd2mta1.analog.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR03MB3136 Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The `copy_align` property is a generic property that describes alignment for DMA memcpy & sg ops. It serves mostly an informational purpose, and can be used in DMA tests, to pass the info to know what alignment to expect. Signed-off-by: Alexandru Ardelean --- drivers/dma/dma-axi-dmac.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c index 74ae6246d9a5..d5e29bbc3d43 100644 --- a/drivers/dma/dma-axi-dmac.c +++ b/drivers/dma/dma-axi-dmac.c @@ -763,6 +763,8 @@ static int axi_dmac_probe(struct platform_device *pdev) if (ret) goto err_clk_disable; + dma_dev->copy_align = (dmac->chan.address_align_mask + 1); + axi_dmac_write(dmac, AXI_DMAC_REG_IRQ_MASK, 0x00); ret = dma_async_device_register(dma_dev);