From patchwork Tue May 7 13:05:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jie Luo X-Patchwork-Id: 13656870 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 D590115E218; Tue, 7 May 2024 13:06:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715087168; cv=none; b=PEiJGbOYTjDZDZ0Y7TYa/VKnZmCyCIY/GtQLZwW0JdObGdsaZzqSWP9vN095Op9EKGNSCJty3JiOBkON3b9HgpuVcgS0656BmUdi79L22qVixx2HRdO33woCb1h7A7DUQHmUJ0768GUmjs/rTOFYwVpomh+qcgl1MTLwgW5OkLc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715087168; c=relaxed/simple; bh=HGCQPQ8x93bOIwr55Kq5+6ZUP9VipvONFNTY8lTlIO8=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ioE1txa2RbBq4TXEPpS5Vz2cBcIF4r+2q6tj91n7OJhv1E7USGqNkN22E6Vs0652gGsb8QLr8OjGLlxsxpKPjULkV4qn5n5/HtvlqF25qLaECw4V0T/jMSKP1QZBFowIJl+xvQae2l/Op6qYdDBzF5HgOYfwJsEBVLPbfd8uWB8= 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=K9hi1qas; arc=none smtp.client-ip=205.220.180.131 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="K9hi1qas" Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4478r0gs031464; Tue, 7 May 2024 13:05:50 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=0RepwHau/d9spJSH1Sl3WD9M7XJFlicXdJoUYlAuaaE=; b=K9 hi1qasEdaC6JkJLEi5x8Lxl+J3687/qdFTPMYavaXPKmQsg8X80IBIy2Azye0Z5O oECS5Qb+IzgGJMrjQ+CM7t3tZQ8oYLh8iCpfjmsEf9T34/9uceza3QdXovlxyEYL YacaUHFqXtxEMdk4/64RMuBtvB7xvtSangckyo9toh7aB46/yF7s38N2VcaCkVqG wt1gWe6eaulEYqJdZpb+IqyksikV9jy/qbdHEc5RbGpsLL9AlirK82Sjw4/KpcXK YBCj2LQZb2dwdZUI7IeQlU1CVnP03gzGjrm4K8XVXbBVl/qPhUwvh0h0GAKs6aNE EbZgmb1M9h9kQjSdhvbw== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3xyc03h742-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 07 May 2024 13:05:50 +0000 (GMT) Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 447D5n68004463 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 7 May 2024 13:05:49 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; Tue, 7 May 2024 06:05:45 -0700 From: Luo Jie To: , , , , , , CC: , , , , Subject: [PATCH v14 1/4] clk: qcom: branch: Add clk_branch2_prepare_ops Date: Tue, 7 May 2024 21:05:28 +0800 Message-ID: <20240507130531.3286999-2-quic_luoj@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240507130531.3286999-1-quic_luoj@quicinc.com> References: <20240507130531.3286999-1-quic_luoj@quicinc.com> Precedence: bulk X-Mailing-List: linux-arm-msm@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-ORIG-GUID: T0FDk7NW_qIPKA4smUEGFqB1FvJfo2LN X-Proofpoint-GUID: T0FDk7NW_qIPKA4smUEGFqB1FvJfo2LN X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-05-07_06,2024-05-06_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 malwarescore=0 phishscore=0 mlxscore=0 suspectscore=0 priorityscore=1501 mlxlogscore=901 adultscore=0 impostorscore=0 lowpriorityscore=0 clxscore=1015 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2405070090 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 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)