From patchwork Tue Sep 19 08:10:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luo Jie X-Patchwork-Id: 724430 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 568DDCD54A7 for ; Tue, 19 Sep 2023 08:11:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230364AbjISILU (ORCPT ); Tue, 19 Sep 2023 04:11:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37280 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230316AbjISILR (ORCPT ); Tue, 19 Sep 2023 04:11:17 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 26890114; Tue, 19 Sep 2023 01:11:11 -0700 (PDT) Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38J7RMD3012566; Tue, 19 Sep 2023 08:10:59 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-transfer-encoding : content-type; s=qcppdkim1; bh=ZuD+kzTK3GMqMh4cRFD6FbY1OqwfVp6oqKPDZbwG/ng=; b=o0hR73CeMSERtwXvo+u8YqIJLL3tRdHXCzb6j8b//HZqiqrzafJeaC+XkG/G3tX2r7Ge Biz51Xcqslg3DTaKvYR44DbtxsMqMpuVl42qxUOGRIsCLbrlK/lujajJGokylrDyPE28 lZmPenuytEsyjDuVEc33T7nYY8oQVmqahxgdkr/z/tzCabZLuTieDkZq9wJKVJ0Ny/Ns 6kN5NH8VHLtZLD2fVc0sxvvf6+UWfpSn4QNBBeVnqH5u70TaSMrUG3qyrtMMm5iFb9wh x+FIiOk5ugdupirxOtFQ95MDzDqX4iwEj40cM8dXvkFuNVRCLzENbKar7I/MKvwvdDcQ fQ== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3t72ngrgxg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 19 Sep 2023 08:10:59 +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 38J8AwPv013890 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 19 Sep 2023 08:10:58 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, 19 Sep 2023 01:10:54 -0700 From: Luo Jie To: , , , , , , , , , , CC: , , , , Subject: [PATCH v8 1/4] clk: qcom: branch: Add clk_branch2_prepare_ops Date: Tue, 19 Sep 2023 16:10:26 +0800 Message-ID: <20230919081029.30324-2-quic_luoj@quicinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230919081029.30324-1-quic_luoj@quicinc.com> References: <20230919081029.30324-1-quic_luoj@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) 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: pvZy0lJyZD8_F67K_qgfyO8D4yqLtBg8 X-Proofpoint-ORIG-GUID: pvZy0lJyZD8_F67K_qgfyO8D4yqLtBg8 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-19_02,2023-09-18_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 clxscore=1015 priorityscore=1501 malwarescore=0 mlxscore=0 bulkscore=0 impostorscore=0 adultscore=0 mlxlogscore=799 phishscore=0 suspectscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309190067 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add the clk_branch2_prepare_ops for supporting clock controller where the hardware register is accessed by MDIO bus, and the spin lock 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_prepare_ops is used. Signed-off-by: Luo Jie Acked-by: Stephen Boyd --- 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..e22cdcf694f6 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_prepare_ops = { + .prepare = clk_branch2_enable, + .unprepare = clk_branch2_disable, + .is_prepared = clk_is_enabled_regmap, +}; +EXPORT_SYMBOL_GPL(clk_branch2_prepare_ops); diff --git a/drivers/clk/qcom/clk-branch.h b/drivers/clk/qcom/clk-branch.h index 0cf800b9d08d..f6f355f28b71 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_prepare_ops; #define to_clk_branch(_hw) \ container_of(to_clk_regmap(_hw), struct clk_branch, clkr)