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Received: from nwd2mta2.analog.com (137.71.25.57) by BL2NAM02FT039.mail.protection.outlook.com (10.152.77.152) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.20.2451.23 via Frontend Transport; Wed, 13 Nov 2019 08:35:16 +0000 Received: from NWD2HUBCAS7.ad.analog.com (nwd2hubcas7.ad.analog.com [10.64.69.107]) by nwd2mta2.analog.com (8.13.8/8.13.8) with ESMTP id xAD8Z7Pk003224 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=OK); Wed, 13 Nov 2019 00:35:07 -0800 Received: from tachici-Precision-5530.ad.analog.com (10.48.65.123) by NWD2HUBCAS7.ad.analog.com (10.64.69.107) with Microsoft SMTP Server id 14.3.408.0; Wed, 13 Nov 2019 03:35:15 -0500 From: Alexandru Tachici To: , CC: , , Alexandru Tachici Subject: [PATCH] iio: dac: ad7303: use regulator get optional to check for ext supply Date: Wed, 13 Nov 2019 10:33:03 +0200 Message-ID: <20191113083303.2229-1-alexandru.tachici@analog.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ADIRoutedOnPrem: True X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:137.71.25.57;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(136003)(346002)(396003)(39860400002)(376002)(199004)(189003)(8936002)(48376002)(86362001)(7636002)(50226002)(305945005)(51416003)(486006)(1076003)(246002)(8676002)(126002)(70206006)(476003)(7696005)(70586007)(5660300002)(44832011)(2870700001)(2616005)(2906002)(50466002)(26005)(107886003)(336012)(4326008)(36756003)(47776003)(6666004)(316002)(54906003)(478600001)(186003)(106002)(426003)(356004)(110136005);DIR:OUT;SFP:1101;SCL:1;SRVR:BN7PR03MB3780;H:nwd2mta2.analog.com;FPR:;SPF:Pass;LANG:en;PTR:nwd2mail11.analog.com;A:1;MX:1; X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 66a035a0-4654-4cac-ba7b-08d7681468db X-MS-TrafficTypeDiagnostic: BN7PR03MB3780: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1079; X-Forefront-PRVS: 0220D4B98D X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: /Zs0XXy2MxmDJvWv+QkUAyn8of2wqloPl/vz2NGQBNKBrKUbe7nAr8Ra5bPebJWbXvKr52LybEhA1n75WObvp6daldU3NzEQhbpwCXW9zXEHdSXJWJsFAGyVNuTzImEbXg3eBBtocAuH2SbGhlaxp1etOWp7YpeextRekwFKX2oq/u5LYaG29SYPgIIF5z0DtBHzHu500NopZTjSosMX1Wl02v0M751Bs61L6k7iH2HYxoBY2Ik5AKrbNLzGMBZHSrhyNMGXY17ojYK1y+YDRTL7dvQGxUHCqREs/x9ueQAKFbRCWK/nOO/mJk9EwQbu5z14dTjR9kTINhTC/2+cnGO2HVgcheXNWXgaP+iSt3Zv3P9dhtt8eOM458wJoj0dGTJRyGRymZIcBBeEe2eqiBtcKUzsHv4EMJKTeUWNifsRMDo+sU9lf/EJy4xzJCCX X-OriginatorOrg: analog.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Nov 2019 08:35:16.3639 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 66a035a0-4654-4cac-ba7b-08d7681468db X-MS-Exchange-CrossTenant-Id: eaa689b4-8f87-40e0-9c6f-7228de4d754a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=eaa689b4-8f87-40e0-9c6f-7228de4d754a;Ip=[137.71.25.57];Helo=[nwd2mta2.analog.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN7PR03MB3780 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,18.0.572 definitions=2019-11-13_02:2019-11-13,2019-11-13 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 mlxscore=0 priorityscore=1501 suspectscore=0 phishscore=0 bulkscore=0 lowpriorityscore=0 mlxlogscore=981 malwarescore=0 adultscore=0 impostorscore=0 clxscore=1011 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-1911130078 Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Previously, the code was using the of_read_property_bool() to check if an external regulator was provided. However, this is redundant, as it's more simple/direct to just ask the regulator is provided, via a `devm_regulator_get_optional()` call. Signed-off-by: Alexandru Tachici --- drivers/iio/dac/ad7303.c | 23 +++++------------------ 1 file changed, 5 insertions(+), 18 deletions(-) diff --git a/drivers/iio/dac/ad7303.c b/drivers/iio/dac/ad7303.c index 14bbac6bee98..e0c5fed4475c 100644 --- a/drivers/iio/dac/ad7303.c +++ b/drivers/iio/dac/ad7303.c @@ -12,7 +12,6 @@ #include #include #include -#include #include #include @@ -202,7 +201,6 @@ static int ad7303_probe(struct spi_device *spi) const struct spi_device_id *id = spi_get_device_id(spi); struct iio_dev *indio_dev; struct ad7303_state *st; - bool ext_ref; int ret; indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); @@ -224,24 +222,13 @@ static int ad7303_probe(struct spi_device *spi) if (ret) return ret; - if (spi->dev.of_node) { - ext_ref = of_property_read_bool(spi->dev.of_node, - "REF-supply"); - } else { - struct ad7303_platform_data *pdata = spi->dev.platform_data; - if (pdata && pdata->use_external_ref) - ext_ref = true; - else - ext_ref = false; + st->vref_reg = devm_regulator_get_optional(&spi->dev, "REF"); + if (IS_ERR(st->vref_reg)) { + ret = PTR_ERR(st->vref_reg); + goto err_disable_vdd_reg; } - if (ext_ref) { - st->vref_reg = devm_regulator_get(&spi->dev, "REF"); - if (IS_ERR(st->vref_reg)) { - ret = PTR_ERR(st->vref_reg); - goto err_disable_vdd_reg; - } - + if (st->vref_reg) { ret = regulator_enable(st->vref_reg); if (ret) goto err_disable_vdd_reg; -- 2.20.1