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Mon, 12 Aug 2019 03:07:03 -0700 Received: from xsj-pvapsmtp01 (mailman.xilinx.com [149.199.38.66]) by xsj-smtp-dlp2.xlnx.xilinx.com (8.13.8/8.13.1) with ESMTP id x7CA6r2s032297; Mon, 12 Aug 2019 03:06:54 -0700 Received: from [10.140.6.6] (helo=xhdappanad40.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1hx7E5-0004OP-A3; Mon, 12 Aug 2019 03:06:53 -0700 From: Appana Durga Kedareswara rao To: wg@grandegger.com, mkl@pengutronix.de, davem@davemloft.net, michal.simek@xilinx.com Subject: [PATCH v2 1/5] can: xilinx_can: Skip error message on deferred probe Date: Mon, 12 Aug 2019 15:36:42 +0530 Message-Id: <1565604406-4920-2-git-send-email-appana.durga.rao@xilinx.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1565604406-4920-1-git-send-email-appana.durga.rao@xilinx.com> References: <1565604406-4920-1-git-send-email-appana.durga.rao@xilinx.com> X-RCIS-Action: ALLOW 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:149.199.60.100; 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Ip=[149.199.60.100]; Helo=[xsj-pvapsmtpgw02] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR02MB4823 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190812_030710_884691_2E49481C X-CRM114-Status: GOOD ( 11.76 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: netdev@vger.kernel.org, Venkatesh Yadav Abbarapu , linux-kernel@vger.kernel.org, linux-can@vger.kernel.org, Appana Durga Kedareswara rao , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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 "Device clock not found error". As this error message is not very userful to the end user, skip printing it in the case of deferred probe. Fixes: b1201e44 ("can: xilinx CAN controller support") Signed-off-by: Appana Durga Kedareswara rao Signed-off-by: Venkatesh Yadav Abbarapu 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 bd95cfa..ac175ab 100644 --- a/drivers/net/can/xilinx_can.c +++ b/drivers/net/can/xilinx_can.c @@ -1791,7 +1791,8 @@ static int xcan_probe(struct platform_device *pdev) /* Getting the CAN can_clk info */ priv->can_clk = devm_clk_get(&pdev->dev, "can_clk"); if (IS_ERR(priv->can_clk)) { - dev_err(&pdev->dev, "Device clock not found.\n"); + if (PTR_ERR(priv->can_clk) != -EPROBE_DEFER) + dev_err(&pdev->dev, "Device clock not found.\n"); ret = PTR_ERR(priv->can_clk); goto err_free; }