From patchwork Tue Aug 15 08:52:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jie Luo X-Patchwork-Id: 13353661 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D4630C07E8B for ; Tue, 15 Aug 2023 08:53:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235780AbjHOIxE (ORCPT ); Tue, 15 Aug 2023 04:53:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54690 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235799AbjHOIws (ORCPT ); Tue, 15 Aug 2023 04:52:48 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 36ADE10C0; Tue, 15 Aug 2023 01:52:43 -0700 (PDT) Received: from pps.filterd (m0279864.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 37F5pSCQ012429; Tue, 15 Aug 2023 08:52:30 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=d5c9eEeOrOTIve0kKm0OG7ZS1ardCuiImIVcJbHWnF0=; b=Ra2Rr6d2ScAmOBCA142B4EKotUN6UFV8/g87OQKR9iyZKOmyEFu3BTiX2pzQrvws+ykh YZdoYu28UL9TLiy+g24HUu6ljotaVjyn48IYiBZDqNimT7aI1ne2IUy49XG4p6OdFCY1 QmRemwq9BpZ7PughKv5cBXeHJpE0B6PpCOPYr+g2nsYm1v3UqWyPxXmB9LYzmgdadM8U rbanVpHXa1icMCD+Bf1+TZktpEQE9E9X+tiYw3/rTu6Fzx24Tgl0N4vWh06yUoPTl2r6 NXKpVBx9Pt8pXw2ACLfUlWkYXGVTc3Inb/sCHMBzzhQ9XuUvSvKuFUmXz9bfEsIK6T4/ IQ== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3sfqp2sdeh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 15 Aug 2023 08:52:29 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 37F8qS8A025682 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 15 Aug 2023 08:52:28 GMT Received: from akronite-sh-dev02.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Tue, 15 Aug 2023 01:52:24 -0700 From: Luo Jie To: , , , , , , , , , , CC: , , , , , Luo Jie Subject: [PATCH v4 1/4] clk: qcom: branch: Add clk_branch2_mdio_ops Date: Tue, 15 Aug 2023 16:52:02 +0800 Message-ID: <20230815085205.9868-2-quic_luoj@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230815085205.9868-1-quic_luoj@quicinc.com> References: <20230815085205.9868-1-quic_luoj@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: Rw6huAXtS9OVmGxm0AfiN8kX_tkh3_9L X-Proofpoint-ORIG-GUID: Rw6huAXtS9OVmGxm0AfiN8kX_tkh3_9L X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-08-15_08,2023-08-10_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 malwarescore=0 suspectscore=0 mlxscore=0 impostorscore=0 phishscore=0 adultscore=0 mlxlogscore=900 clxscore=1015 spamscore=0 priorityscore=1501 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2308150079 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add the clk_branch2_mdio_ops for supporting clock controller where the hardware register is accessed by MDIO bus, and the spin clock can't be used because of sleep during the MDIO operation. The clock is enabled by the .prepare instead of .enable when the clk_branch2_mdio_ops is used. Signed-off-by: Luo Jie --- drivers/clk/qcom/clk-branch.c | 7 +++++++ drivers/clk/qcom/clk-branch.h | 1 + 2 files changed, 8 insertions(+) diff --git a/drivers/clk/qcom/clk-branch.c b/drivers/clk/qcom/clk-branch.c index fc4735f74f0f..5e08c026ca4a 100644 --- a/drivers/clk/qcom/clk-branch.c +++ b/drivers/clk/qcom/clk-branch.c @@ -153,3 +153,10 @@ const struct clk_ops clk_branch_simple_ops = { .is_enabled = clk_is_enabled_regmap, }; EXPORT_SYMBOL_GPL(clk_branch_simple_ops); + +const struct clk_ops clk_branch2_mdio_ops = { + .prepare = clk_branch2_enable, + .unprepare = clk_branch2_disable, + .is_prepared = clk_is_enabled_regmap, +}; +EXPORT_SYMBOL_GPL(clk_branch2_mdio_ops); diff --git a/drivers/clk/qcom/clk-branch.h b/drivers/clk/qcom/clk-branch.h index 0cf800b9d08d..4b006e8eec5e 100644 --- a/drivers/clk/qcom/clk-branch.h +++ b/drivers/clk/qcom/clk-branch.h @@ -85,6 +85,7 @@ extern const struct clk_ops clk_branch_ops; extern const struct clk_ops clk_branch2_ops; extern const struct clk_ops clk_branch_simple_ops; extern const struct clk_ops clk_branch2_aon_ops; +extern const struct clk_ops clk_branch2_mdio_ops; #define to_clk_branch(_hw) \ container_of(to_clk_regmap(_hw), struct clk_branch, clkr)