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Mon, 02 Dec 2019 05:02:34 -0800 Received: from [10.140.6.6] (helo=xhdappanad40.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1iblLL-0007b6-SA; Mon, 02 Dec 2019 05:02:24 -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 V2 1/2] can: xilinx_can: skip error message on deferred probe Date: Mon, 2 Dec 2019 18:32:10 +0530 Message-Id: <1575291731-11022-2-git-send-email-srinivas.neeli@xilinx.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1575291731-11022-1-git-send-email-srinivas.neeli@xilinx.com> References: <1575291731-11022-1-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)(376002)(346002)(396003)(39860400002)(136003)(199004)(189003)(50466002)(6636002)(7696005)(9786002)(305945005)(16586007)(106002)(316002)(48376002)(54906003)(8936002)(5660300002)(81156014)(70586007)(70206006)(76176011)(50226002)(14444005)(51416003)(26005)(336012)(2616005)(186003)(47776003)(6666004)(2906002)(36386004)(36756003)(81166006)(8676002)(15650500001)(107886003)(11346002)(446003)(478600001)(44832011)(356004)(426003)(4326008);DIR:OUT;SFP:1101;SCL:1;SRVR:BY5PR02MB6115;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: 1686023c-d87a-48e0-ab00-08d77727e98c X-MS-TrafficTypeDiagnostic: BY5PR02MB6115: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:6108; X-Forefront-PRVS: 0239D46DB6 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: FzRZLwUZUYKheN8ma0ph9iQmk9DygY6fPBQDd+Lr+M8YQpxmmjuEa2nETqm9zDQ61aaYnPbohk1/xZc8y3OZ57fTqorfJbTr+HX7DuqwcxnhCqN/zGfHNDNvD6DC9aDKoP1Ji6gegVi491Otuzb3sLF+X4eavclfl4iaTDYQsvFE2L40EeKv3suIyNmx5LpcIpCecG2BgkSQ+Yf+7jzkPblDaqJfKY4Xsv+5Eragn6Mu1UZRaktxpWwo3ClfN+bVBJF77uEILSk1d8ILgmYk1aP5AJUBHV6DCwD/shr6dXIwPqbxnIWSHmvt2VW3Cc69MNNTOUdPEgfQAWBx3MREA3y5sq77Axr3hx1RkCUMZHpmdDT1WcLr9CKB880KrxcA3QMPRKmMSH+ZIsTU6uvEBMsvwHAy2Ff6T0PeTM+Z3A/YQ5NEBWMm0QgwE2WaP3uv X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Dec 2019 13:02:40.0213 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1686023c-d87a-48e0-ab00-08d77727e98c 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: BY5PR02MB6115 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 bus 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 Reviewed-by: Appana Durga Kedareswara Rao --- 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