From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934333AbcATJZ2 (ORCPT ); Wed, 20 Jan 2016 04:25:28 -0500 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:39762 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758116AbcATJY4 (ORCPT ); Wed, 20 Jan 2016 04:24:56 -0500 From: Jisheng Zhang To: , , , , , , , CC: , , , , , Jisheng Zhang Subject: [PATCH v2 2/4] net: mvneta: Try to get named core clock first Date: Wed, 20 Jan 2016 17:20:20 +0800 Message-ID: <1453281622-7829-3-git-send-email-jszhang@marvell.com> X-Mailer: git-send-email 2.7.0.rc3 In-Reply-To: <1453281622-7829-1-git-send-email-jszhang@marvell.com> References: <1453281622-7829-1-git-send-email-jszhang@marvell.com> MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-01-20_04:,, signatures=0 X-Proofpoint-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=2 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1507310008 definitions=main-1601200165 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some platforms may provide more than one clk for the mvneta IP, for example Marvell BG4CT provides "core" clk for the mac core, and "axi" clk for the AXI bus logic. To support for more than one clock, we'll need to distinguish between the clock by name. Change clock probing to first try to get "core" clock before falling back to unnamed clock. Signed-off-by: Jisheng Zhang Acked-by: Thomas Petazzoni --- drivers/net/ethernet/marvell/mvneta.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 8e85a53..736a9ec 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -3605,7 +3605,9 @@ static int mvneta_probe(struct platform_device *pdev) pp->indir[0] = rxq_def; - pp->clk = devm_clk_get(&pdev->dev, NULL); + pp->clk = devm_clk_get(&pdev->dev, "core"); + if (IS_ERR(pp->clk)) + pp->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(pp->clk)) { err = PTR_ERR(pp->clk); goto err_put_phy_node; -- 2.7.0.rc3