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Wed, 20 Nov 2019 04:11:39 -0800 Received: from [10.140.6.6] (helo=xhdappanad40.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1iXOpb-0002fi-AQ; Wed, 20 Nov 2019 04:11:35 -0800 From: Srinivas Neeli To: wg@grandegger.com, mkl@pengutronix.de, davem@davemloft.net, michal.simek@xilinx.com, appanad@xilinx.com Cc: linux-can@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, git@xilinx.com, nagasure@xilinx.com, Venkatesh Yadav Abbarapu , Srinivas Neeli Subject: [PATCH 1/2] can: xilinx_can: skip error message on deferred probe Date: Wed, 20 Nov 2019 17:41:04 +0530 Message-Id: <1574251865-19592-2-git-send-email-srinivas.neeli@xilinx.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1574251865-19592-1-git-send-email-srinivas.neeli@xilinx.com> References: <1574251865-19592-1-git-send-email-srinivas.neeli@xilinx.com> X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23620.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:149.199.60.83;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(4636009)(346002)(136003)(376002)(396003)(39860400002)(199004)(189003)(316002)(9786002)(26005)(186003)(5660300002)(47776003)(11346002)(107886003)(81156014)(8676002)(51416003)(7696005)(2616005)(50466002)(4326008)(48376002)(478600001)(14444005)(36756003)(50226002)(6666004)(356004)(16586007)(6636002)(305945005)(15650500001)(2906002)(54906003)(81166006)(446003)(106002)(126002)(476003)(486006)(44832011)(426003)(76176011)(336012)(70586007)(70206006)(36386004)(8936002);DIR:OUT;SFP:1101;SCL:1;SRVR:SN6PR02MB5038;H:xsj-pvapsmtpgw01;FPR:;SPF:Pass;LANG:en;PTR:unknown-60-83.xilinx.com;A:1;MX:1; MIME-Version: 1.0 Content-Type: text/plain X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 109d125b-3e66-497f-6c05-08d76db2cf7b X-MS-TrafficTypeDiagnostic: SN6PR02MB5038: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:6108; X-Forefront-PRVS: 02272225C5 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: cMJ2x88RAudW8Bvgfxrj8mRnmqcN90L29p3V8kNkxExu/3HezvsEH9sGjSkfUhmFW7VnTKvIevOuNh+UI9L8oMr2PP60Y6ipA2pDc/+443gczspAy1NVZcczQpSJPpZTgiMtlGsgb6/1KBprTcN1ZCpVY0DUtcNMNETWRo768p5ygf3RZi22atXTjFlYlwlY4HHwrQIApc6TuPUCCAx1e4AuL2NoUgfWxc62ziKYNZIJHTRkrGkPrRxOUN7PnUc6hNxea+WIB4EJEl0Ho49Co5aM434/QES/7JlFhKMgb9U7KAKB6pDKwYfk7fqIMxM2SwDyzXIDfL8JTGi/ZGQXfDokojJ6o5aZrT68BIoXvV8lVNlmw2N/biezdyxllDRPYqUVj1Z/Em2lOcTP9VfPuAcCg/YjveJgRy/mkv+dIJ+ImRQmKRxLlpvh5exLmz4L X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Nov 2019 12:11:44.7502 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 109d125b-3e66-497f-6c05-08d76db2cf7b X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.60.83];Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR02MB5038 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Venkatesh Yadav Abbarapu When can clock is provided from the clock wizard, clock wizard driver may not be available when can driver probes resulting to the error message "bus clock not found error". As this error message is not very useful to the end user, skip printing in the case of deferred probe. Signed-off-by: Venkatesh Yadav Abbarapu Signed-off-by: Srinivas Neeli Signed-off-by: Michal Simek --- drivers/net/can/xilinx_can.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c index 4a96e2dd7d77..c5f05b994435 100644 --- a/drivers/net/can/xilinx_can.c +++ b/drivers/net/can/xilinx_can.c @@ -1772,7 +1772,8 @@ static int xcan_probe(struct platform_device *pdev) priv->bus_clk = devm_clk_get(&pdev->dev, devtype->bus_clk_name); if (IS_ERR(priv->bus_clk)) { - dev_err(&pdev->dev, "bus clock not found\n"); + if (PTR_ERR(priv->bus_clk) != -EPROBE_DEFER) + dev_err(&pdev->dev, "bus clock not found\n"); ret = PTR_ERR(priv->bus_clk); goto err_free; } -- 2.7.4