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Tue, 22 Jul 2025 04:11:39 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGzvWUcEPNXtNIE/BBj0biFMIcwHJBPX8MO6tw2I2eYccmF/S3eY5ug3RzJMiSa80xvG6s1rw== X-Received: by 2002:a05:6a21:e85:b0:21f:ee3f:8ad5 with SMTP id adf61e73a8af0-23812c48c36mr39344983637.20.1753182698520; Tue, 22 Jul 2025 04:11:38 -0700 (PDT) Received: from [10.219.49.237] ([202.46.23.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-759cb678d9bsm7465223b3a.109.2025.07.22.04.11.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 22 Jul 2025 04:11:38 -0700 (PDT) Message-ID: <8d488066-6f29-4ef8-8f09-26328b5213f1@oss.qualcomm.com> Date: Tue, 22 Jul 2025 16:41:31 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/2] ASoC: codecs: wsa883x: Handle shared reset GPIO for WSA883x speakers To: Krzysztof Kozlowski Cc: Srinivas Kandagatla , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jaroslav Kysela , Takashi Iwai , Philipp Zabel , Linus Walleij , Bartosz Golaszewski , linux-arm-msm@vger.kernel.org, linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, quic_pkumpatl@quicinc.com, kernel@oss.qualcomm.com References: <20250718104628.3732645-1-mohammad.rafi.shaik@oss.qualcomm.com> <20250718104628.3732645-3-mohammad.rafi.shaik@oss.qualcomm.com> <20250721-hairy-aardwolf-of-enterprise-bbc99f@kuoka> Content-Language: en-US From: Mohammad Rafi Shaik In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=CZ4I5Krl c=1 sm=1 tr=0 ts=687f71ec cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=Wb1JkmetP80A:10 a=yfeqtnweelXl-nV2tnwA:9 a=QEXdDO2ut3YA:10 a=OpyuDcXvxspvyRM73sMx:22 X-Proofpoint-ORIG-GUID: p7IkPV1wIbS2tlS7U_0LzzM00YTa6Vtm X-Proofpoint-GUID: p7IkPV1wIbS2tlS7U_0LzzM00YTa6Vtm X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzIyMDA5MSBTYWx0ZWRfXxG9TpZ1ZiF6x dWshpexNtvlEw5mLStilEq3qkiCCEJIqUfOYQ9DK/eOTMQR9xD+pOg3VOo88AFqAEfv/oxQftis 95CpFfUQQgHEjhOxDvRxr+4t4lu3obyswCrI52HfQpbnLAPCDOsHrUoFsOPLKvgfYesiRcWGP3g HDN5yiysFKtH7qaL/6gDk7hDz7fDEmKBE0UoI/fXUKLKi/Q74EF3oA1CHjNAzTJHzLTS6kt0cC7 FLK5p/MIvdX61Cd/i5HYzjKg6TswHNUAKLvq78AL0bN5Gj7Oq8aoSVzSKpe+5YhJK2f2dC67E3j AT+SJ8NGQucztdYAjR/UP7GuFDLepotQAOhGk2UMz5sbWJsmSqaBRbxcnwa32LVQwkq1K1cWMAt ecAecHQJpFnVolxt7jTUY16/fpryvVXoPfdWSzXDSZn8W3g9HKDj19xm+sSOPLL38WGP++9Y X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-07-22_02,2025-07-21_02,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 mlxlogscore=999 impostorscore=0 clxscore=1015 mlxscore=0 lowpriorityscore=0 phishscore=0 adultscore=0 bulkscore=0 spamscore=0 malwarescore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2507220091 On 7/22/2025 4:36 PM, Krzysztof Kozlowski wrote: > On 22/07/2025 12:56, Mohammad Rafi Shaik wrote: >> >> >> On 7/21/2025 1:53 PM, Krzysztof Kozlowski wrote: >>> On Fri, Jul 18, 2025 at 04:16:28PM +0530, Mohammad Rafi Shaik wrote: >>>> On some Qualcomm platforms such as QCS6490-RB3Gen2, the multiple >>>> WSA8830/WSA8835 speakers share a common reset (shutdown) GPIO. >>>> To handle such cases, use the reset controller framework along >>>> with the "reset-gpio" driver. >>>> >>>> Register devm action to safely disable the regulator on device removal >>>> to prevents a potential release warning from _regulator_put(). >>> >>> It is not possible to remove the device - suppress bind attrs. How did >>> you trigger that? >>> >> Ack, >> >> I encountered the warning as regulator was being released unexpectedly, >> triggering _regulator_put() warnings. While the device itself isn't >> removed, Registering the devm action ensures safe cleanup without >> triggering warnings. > > Logs are cut - you do not see the most important part, who puts the > regulator? > > How unregistering regulator solves the incomplete get/put paths? It > feels like you are hiding real problem instead of fixing it. > >> >> Please check the below logs. >> >> I could use some suggestions for this issue. please help with some >> suggestions how i can approve this design. >> >> Thanks, >> Rafi. > > > ... > >> [ 10.679294][ T90] ------------[ cut here ]------------ >> [ 10.684772][ T90] WARNING: CPU: 1 PID: 90 at >> /drivers/regulator/core.c:2450 _regulator_put+0x50/0x60 >> [ 10.694344][ T90] Modules linked in: snd_soc_hdmi_codec >> phy_qcom_edp venus_dec venus_enc videobuf2_dma_contig rpmsg_ctrl >> qrtr_smd fastrpc rpmsg_char videobuf2_memops qcom_pd_mapper nb7vpq904m >> msm lontium_lt9611uxc ucsi_glink typec_ucsi pmic_glink_altmode >> qcom_battmgr aux_hpd_bridge ath11k_ahb ath11k hci_uart rtc_pm8xxx btqca >> coresight_stm bluetooth qcom_pon stm_core venus_core pwrseq_qcom_wcn >> drm_exec mac80211 ocmem v4l2_mem2mem gpu_sched videobuf2_v4l2 videodev >> nvmem_qcom_spmi_sdam qcom_spmi_adc_tm5 snd_soc_sc8280xp >> drm_display_helper qcom_vadc_common snd_soc_qcom_sdw coresight_tmc >> snd_soc_qcom_common videobuf2_common qcom_stats coresight_etm4x >> qcom_q6v5_pas phy_qcom_qmp_combo usb_f_qdss mc drm_dp_aux_bus >> ecdh_generic qcom_pil_info qcom_q6v5 ecc coresight_replicator aux_bridge >> coresight_csr qcom_sysmon coresight_funnel pwrseq_core gpi typec >> i2c_qcom_geni qcom_common coresight icc_bwmon llcc_qcom qcom_glink_smem >> qcrypto pinctrl_sc7280_lpass_lpi mdt_loader snd_soc_lpass_wsa_macro >> sha256_generic pinctrl_lpass_lpi >> [ 10.694524][ T90] snd_soc_lpass_va_macro display_connector >> snd_soc_lpass_macro_common authenc drm_kms_helper libdes qrtr libarc4 >> icc_osm_l3 qcom_rng pmic_glink cfg80211 rfkill drm fuse ipv6 >> [ 10.804083][ T90] CPU: 1 UID: 0 PID: 90 Comm: kworker/u32:4 Not >> tainted 6.14.0 #1 >> [ 10.811959][ T90] Hardware name: Qualcomm Technologies, Inc. >> Robotics RB3gen2 (DT) >> [ 10.819920][ T90] Workqueue: events_unbound deferred_probe_work_func >> [ 10.826643][ T90] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT >> -SSBS BTYPE=--) >> [ 10.834510][ T90] pc : _regulator_put+0x50/0x60 >> [ 10.839362][ T90] lr : regulator_put+0x30/0x48 >> [ 10.844118][ T90] sp : ffff8000809e3670 >> [ 10.848244][ T90] x29: ffff8000809e3670 x28: 0000000000000000 x27: >> ffff70941a04a080 >> [ 10.856300][ T90] x26: 0000000000000000 x25: ffffbfa860a9bee8 x24: >> ffffbfa860e79cb0 >> [ 10.864354][ T90] x23: ffff709406e62640 x22: ffff709418668808 x21: >> ffff8000809e3710 >> [ 10.872409][ T90] x20: ffff709415e81840 x19: ffffbfa86119b680 x18: >> 00000000ffffffff >> [ 10.880462][ T90] x17: ffffbfa86013d058 x16: ffffbfa8601cbac4 x15: >> ffff709419a70b48 >> [ 10.888517][ T90] x14: 0000000000000000 x13: ffff709400032b10 x12: >> 0000000000000000 >> [ 10.896573][ T90] x11: 0000000000000000 x10: ffffbfa85fdbcc60 x9 : >> ffffbfa85fdbc7e0 >> [ 10.904627][ T90] x8 : ffff709418668ab0 x7 : ffff709418668ab0 x6 : >> ffff709418668ab0 >> [ 10.912676][ T90] x5 : ffff709418668ab0 x4 : ffff709418668ab0 x3 : >> ffff709415e807c0 >> [ 10.920727][ T90] x2 : ffff709406e62640 x1 : 0000000000000001 x0 : > > Everything above is irrelevant. > >> ffff709415e81840 >> [ 10.928781][ T90] Call trace: >> [ 10.932024][ T90] _regulator_put+0x50/0x60 (P) >> [ 10.936877][ T90] regulator_put+0x30/0x48 >> ----------- > > And this is only relevant information which tells nothing. Are you sure > you pasted FULL log? > sharing the full crash logs --------------------------- [ 10.679294][ T90] ------------[ cut here ]------------ [ 10.684772][ T90] WARNING: CPU: 1 PID: 90 at /drivers/regulator/core.c:2450 _regulator_put+0x50/0x60 [ 10.694344][ T90] Modules linked in: snd_soc_hdmi_codec phy_qcom_edp venus_dec venus_enc videobuf2_dma_contig rpmsg_ctrl qrtr_smd fastrpc rpmsg_char videobuf2_memops qcom_pd_mapper nb7vpq904m msm lontium_lt9611uxc ucsi_glink typec_ucsi pmic_glink_altmode qcom_battmgr aux_hpd_bridge ath11k_ahb ath11k hci_uart rtc_pm8xxx btqca coresight_stm bluetooth qcom_pon stm_core venus_core pwrseq_qcom_wcn drm_exec mac80211 ocmem v4l2_mem2mem gpu_sched videobuf2_v4l2 videodev nvmem_qcom_spmi_sdam qcom_spmi_adc_tm5 snd_soc_sc8280xp drm_display_helper qcom_vadc_common snd_soc_qcom_sdw coresight_tmc snd_soc_qcom_common videobuf2_common qcom_stats coresight_etm4x qcom_q6v5_pas phy_qcom_qmp_combo usb_f_qdss mc drm_dp_aux_bus ecdh_generic qcom_pil_info qcom_q6v5 ecc coresight_replicator aux_bridge coresight_csr qcom_sysmon coresight_funnel pwrseq_core gpi typec i2c_qcom_geni qcom_common coresight icc_bwmon llcc_qcom qcom_glink_smem qcrypto pinctrl_sc7280_lpass_lpi mdt_loader snd_soc_lpass_wsa_macro sha256_generic pinctrl_lpass_lpi [ 10.694524][ T90] snd_soc_lpass_va_macro display_connector snd_soc_lpass_macro_common authenc drm_kms_helper libdes qrtr libarc4 icc_osm_l3 qcom_rng pmic_glink cfg80211 rfkill drm fuse ipv6 [ 10.804083][ T90] CPU: 1 UID: 0 PID: 90 Comm: kworker/u32:4 Not tainted 6.14.0 #1 [ 10.811959][ T90] Hardware name: Qualcomm Technologies, Inc. Robotics RB3gen2 (DT) [ 10.819920][ T90] Workqueue: events_unbound deferred_probe_work_func [ 10.826643][ T90] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 10.834510][ T90] pc : _regulator_put+0x50/0x60 [ 10.839362][ T90] lr : regulator_put+0x30/0x48 [ 10.844118][ T90] sp : ffff8000809e3670 [ 10.848244][ T90] x29: ffff8000809e3670 x28: 0000000000000000 x27: ffff70941a04a080 [ 10.856300][ T90] x26: 0000000000000000 x25: ffffbfa860a9bee8 x24: ffffbfa860e79cb0 [ 10.864354][ T90] x23: ffff709406e62640 x22: ffff709418668808 x21: ffff8000809e3710 [ 10.872409][ T90] x20: ffff709415e81840 x19: ffffbfa86119b680 x18: 00000000ffffffff [ 10.880462][ T90] x17: ffffbfa86013d058 x16: ffffbfa8601cbac4 x15: ffff709419a70b48 [ 10.888517][ T90] x14: 0000000000000000 x13: ffff709400032b10 x12: 0000000000000000 [ 10.896573][ T90] x11: 0000000000000000 x10: ffffbfa85fdbcc60 x9 : ffffbfa85fdbc7e0 [ 10.904627][ T90] x8 : ffff709418668ab0 x7 : ffff709418668ab0 x6 : ffff709418668ab0 [ 10.912676][ T90] x5 : ffff709418668ab0 x4 : ffff709418668ab0 x3 : ffff709415e807c0 [ 10.920727][ T90] x2 : ffff709406e62640 x1 : 0000000000000001 x0 : ffff709415e81840 [ 10.928781][ T90] Call trace: [ 10.932024][ T90] _regulator_put+0x50/0x60 (P) [ 10.936877][ T90] regulator_put+0x30/0x48 [ 10.941276][ T90] devm_regulator_release+0x14/0x20 [ 10.946486][ T90] release_nodes+0x60/0xfc [ 10.950886][ T90] devres_release_all+0x90/0xe0 [ 10.955737][ T90] device_unbind_cleanup+0x18/0x60 [ 10.960846][ T90] really_probe+0x210/0x2c0 [ 10.965341][ T90] __driver_probe_device+0x78/0x120 [ 10.970539][ T90] driver_probe_device+0x3c/0x154 [ 10.975561][ T90] __device_attach_driver+0xb8/0x140 [ 10.980854][ T90] bus_for_each_drv+0x88/0xe8 [ 10.985520][ T90] __device_attach+0xa0/0x190 [ 10.990185][ T90] device_initial_probe+0x14/0x20 [ 10.995209][ T90] bus_probe_device+0xb4/0xc0 [ 10.999876][ T90] device_add+0x5a4/0x780 [ 11.004187][ T90] device_register+0x20/0x30 [ 11.008767][ T90] sdw_slave_add+0x1a4/0x244 [ 11.013352][ T90] sdw_of_find_slaves+0x100/0x198 [ 11.018377][ T90] sdw_bus_master_add+0x1c0/0x310 [ 11.023401][ T90] qcom_swrm_probe+0x2a0/0x5a4 [ 11.028158][ T90] platform_probe+0x68/0xdc [ 11.032654][ T90] really_probe+0xbc/0x2c0 [ 11.037052][ T90] __driver_probe_device+0x78/0x120 [ 11.042249][ T90] driver_probe_device+0x3c/0x154 [ 11.047273][ T90] __device_attach_driver+0xb8/0x140 [ 11.052568][ T90] bus_for_each_drv+0x88/0xe8 [ 11.057235][ T90] __device_attach+0xa0/0x190 [ 11.061903][ T90] device_initial_probe+0x14/0x20 [ 11.066926][ T90] bus_probe_device+0xb4/0xc0 [ 11.071595][ T90] deferred_probe_work_func+0x90/0xc8 [ 11.076974][ T90] process_one_work+0x16c/0x3f4 [ 11.081828][ T90] worker_thread+0x2c8/0x3e4 [ 11.086410][ T90] kthread+0x12c/0x210 [ 11.090455][ T90] ret_from_fork+0x10/0x20 [ 11.094857][ T90] ---[ end trace 0000000000000000 ]--- -------------------------- >> >> Thanks & Regards, >> Rafi. >> >>> Best regards, >>> Krzysztof >>> >> > > > Best regards, > Krzysztof