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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-67ef0a6fb24sm3574996a12.0.2026.05.11.04.09.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 11 May 2026 04:09:22 -0700 (PDT) Message-ID: <096361a6-0a23-49e4-aa01-9ec92d845e54@oss.qualcomm.com> Date: Mon, 11 May 2026 13:09:20 +0200 Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/3] ASoC: codecs: lpass-wsa-macro: Switch to PM clock framework for runtime PM To: Ajay Kumar Nandam , Srinivas Kandagatla , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sound@vger.kernel.org References: <20260508113503.3550647-1-ajay.nandam@oss.qualcomm.com> <20260508113503.3550647-2-ajay.nandam@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260508113503.3550647-2-ajay.nandam@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=EcL4hvmC c=1 sm=1 tr=0 ts=6a01b8e3 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=EUspDBNiAAAA:8 a=weikHDwYOGaAN1ZrU1wA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTExMDEyMyBTYWx0ZWRfX7685+PbeMD+j d/oklSA+J6iB8N12wWrG4GsdCKcVO0YaM2HEXQoEc/+ZnZbWhWF6Xq9wgE8jbQn1j9HC1cUnADf skwkKsXZdlSZddyh+gV8njL04I60El4h/h1yN7xLEoeqO8ADVoo8i6z1gel+ZgDQsNAAHWGOC+1 oujm5JgRIojO+yS66zzKV0r0yD2E1IhZ6L0zhlptbUElz8S/TgV9qpmiOzNn5LhAQF4X6j+F0F5 jGt2P1EqdD27+8Ew0pByax51Tu9AcIa0cx+xhX+eqvJvyMVcFO5EtDpxetQuO/wIsht0JGTQQIB kX5aKxXwPazgEiJRh2pIW4I7SE6ToaHi0HkEed7DMTNO6csx+64xe7i+vCoXDkIyFXBFH13rq2Q 7nigTVwwA0M1HRcO82iwpb9/zOfFsEM0iqu7VMOTtJ9zMpX+8Hor9WkuWDITj95cTbmCGj1uCtl PzfoETq5Ea/7DnjDC+A== X-Proofpoint-ORIG-GUID: PMARprntG5m8B67Gvg6g2RhN_Gx3SLQc X-Proofpoint-GUID: PMARprntG5m8B67Gvg6g2RhN_Gx3SLQc X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-11_03,2026-05-08_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 bulkscore=0 adultscore=0 spamscore=0 impostorscore=0 lowpriorityscore=0 clxscore=1015 malwarescore=0 phishscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605110123 On 5/8/26 1:35 PM, Ajay Kumar Nandam wrote: > Convert the LPASS WSA macro codec driver to use the PM clock framework > for runtime power management. > > The driver now relies on pm_clk helpers and runtime PM instead of > manually enabling and disabling macro, dcodec, mclk, npl, and fsgen > clocks. Runtime suspend and resume handling is delegated to the PM > core via pm_clk_suspend() and pm_clk_resume(), while existing runtime > PM callbacks continue to manage regcache state. > > This ensures clocks are enabled only when the WSA macro is active, > improves power efficiency on LPASS platforms supporting LPI/island > modes, and aligns the driver with common ASoC runtime PM patterns used > across Qualcomm LPASS codec drivers. > > Signed-off-by: Ajay Kumar Nandam > --- [...] > + pm_runtime_set_autosuspend_delay(dev, 100); > + pm_runtime_use_autosuspend(dev); > + pm_runtime_enable(dev); Please use devm_pm_runtime_enable(), this will let you drop cleanup calls to pm_runtime_disable() in this functgion and in .remove() > > - ret = clk_prepare_enable(wsa->npl); > - if (ret) > - goto err_npl; > > - ret = clk_prepare_enable(wsa->fsgen); > - if (ret) > - goto err_fsgen; > + ret = pm_runtime_resume_and_get(dev); > + if (ret < 0) { > + goto err_rpm_disable; > + } no need for curly braces for a one-line conditional Konrad