From patchwork Wed Jun 5 12:45:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jie Luo X-Patchwork-Id: 13686854 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E7977188CAD; Wed, 5 Jun 2024 12:46:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717591573; cv=none; b=OVwNc8O1VD0DupLhmk9bBrD4MIghU2adQHLxuRuZFcgrQy70JpWv3oyPmdX/kNxodO02MzG1ZFoShvICXSGadDn7uNRSdBYsnqVhgMc0mC7l4+5Z/BI7V0Vekrft5+RY9gsJJO+wwzLdOIRWY0c6lEES/5q3p1Y8tq0Xfxprg3s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717591573; c=relaxed/simple; bh=Ch3CWjOSmEjNjTZ7SHlJr5S6yjUweCAKcDHefoaSG9M=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=jAKvKLIn8kHOumNuzMfU3FgtvR6HyAxMosAlGldE4GECHkr+PP0NBLU3jron+rm6rhgbslzdrek1PNyvcd0L5NW+eaqB8L+1E1qyR3n7/hprbUNPaiZvo9cupnHmjZN+lzxSW/V92RdSjOVdLfNQQBzbhdMM/GoBiNUcj/aFKw8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=Q6ShRD4+; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="Q6ShRD4+" Received: from pps.filterd (m0279864.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 455B1Zbn031042; Wed, 5 Jun 2024 12:46:05 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= TdtnQX3UxdvebW48f7tnydCq4mOF0SfKR6i6gTwXTPw=; b=Q6ShRD4+Dsucax+4 UBpogMenfCZkF11L0b3sFekhHbvg3b+SRw1LVBsf/7jkpoGAVI7rEqcWLBgqGGpq bFpD18GhEXHFt0k1gMHM+Tt78bS5/+QQtgCz+pX9vvhvW7bDKboVXW46V/pIqaOF 6LmsMcgraTM0rRLwcHeynZNalR70XuQh1Z3yXJPcO+BAP3g4Dpfjac/eEF8eWUoO nZ1vDQmbDdB4f552ZxOiz6UIe1SGPnqRHhVDMUFjdj8UUk2C7axIi9ZiC2jJsRX1 1mL/2+2ATHrsYw9rYtcbwFRjtXIMdEitCmw0/WJpCIfmMsP5J0vTF2BVGbBBwfai ozLXIA== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3yj87rj0ra-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 05 Jun 2024 12:46:04 +0000 (GMT) Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 455Ck2Hh022087 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 5 Jun 2024 12:46:02 GMT Received: from luoj-gv.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 15.2.1544.9; Wed, 5 Jun 2024 05:45:58 -0700 From: Luo Jie To: , , , , , , CC: , , , , Subject: [PATCH v15 1/4] clk: qcom: branch: Add clk_branch2_prepare_ops Date: Wed, 5 Jun 2024 20:45:38 +0800 Message-ID: <20240605124541.2711467-2-quic_luoj@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240605124541.2711467-1-quic_luoj@quicinc.com> References: <20240605124541.2711467-1-quic_luoj@quicinc.com> Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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: QmZqDMvj5JrJlXHLZDWronzWIEE0bwTt X-Proofpoint-ORIG-GUID: QmZqDMvj5JrJlXHLZDWronzWIEE0bwTt X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-05_02,2024-06-05_02,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 phishscore=0 impostorscore=0 malwarescore=0 bulkscore=0 clxscore=1015 spamscore=0 mlxlogscore=889 adultscore=0 lowpriorityscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2406050097 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. Acked-by: Stephen Boyd 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 c1dba33ac31a..229480c5b075 100644 --- a/drivers/clk/qcom/clk-branch.c +++ b/drivers/clk/qcom/clk-branch.c @@ -191,3 +191,10 @@ 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 f1b3b635ff32..292756435f53 100644 --- a/drivers/clk/qcom/clk-branch.h +++ b/drivers/clk/qcom/clk-branch.h @@ -109,6 +109,7 @@ 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_mem_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)