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Wysocki" , Danilo Krummrich , Jonathan Corbet , Shuah Khan , Tejun Heo , Lai Jiangshan , Tobias Schrammm , Sebastian Reichel , Andy Shevchenko , Dan Carpenter , Krzysztof Kozlowski , Lee Jones , Dzmitry Sankouski , Matthias Brugger , AngeloGioacchino Del Regno , Benson Leung , Tzung-Bi Shih Cc: Matti Vaittinen , driver-core@lists.linux.dev, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Sebastian Reichel , linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, chrome-platform@lists.linux.dev, Krzysztof Kozlowski X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=2676; i=krzysztof.kozlowski@oss.qualcomm.com; h=from:subject:message-id; bh=KKE0bInc4S8yLhSPSFu/FMkb8dRGE2OpkgkDbv0pcmo=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBpqfmhjGldKQP5o21zPRfDRDP+tGkXe48E0j3pE 6xnUGNmWe2JAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCaan5oQAKCRDBN2bmhouD 18WOD/4v7VpFEZzjp0sl26+pDvHQyMyN1WAQj3Vsl3sQmb9jimlUvI1QOVLIuvMNOKKBU7VTVZB P+9vnO/+LOEYm89+Jr59jeey5RNqtDUlwk2VjinTcgW2sqYZiAMYQEOdehNCahgQCwBHX1eOkQo Qxytd1zdJAUblIz7+q5TfeXZ/WbOr0rLPKZUlMIOYqethUDTLCz9kyCCxeE3G2JpWuSxcEMBExd /ZWbCbxe85dFWg4JFCMUfH3N4ZaZPsBvasQLh0BRYusq6/7d0KrqAVxbe5vUA66X6MT/7I7pEDG /BDpfmkyMAG/349ekOnqQ9sZ9wMNf5b7acHa5NBm6N1/td0khdgFCwWzK9/UZ6YP/8MllnhU5vI 7cBRVz2rR1eNDnpzD/SsRRKpuFC3BAM2gEuXzTPKSEfhfa4rTnvfHX4LbjDUpB5lPtm3KBJpTmL FQsF4DyfRnKSCZ5OfJd90X/TW8sjpSLe3JrRdwFjPjgfWkwfMFa9kU5Ut4FdxGSOz/ToEOulLx5 atvPr3JE06SlX10hhzkWmxgRBYpg0OJV9ov3R6evSxpSrJ96YndLn/2uttJyh2avyAbNv+T2hQg i1Ar+ZOQSn+81ns4U7+yR/vRmmOZSXetZmXHbbY7yQV7i3GRywDQhoTIWPvUqoZMqyYJOxLns+l HZeQV+6JaRutfYw== X-Developer-Key: i=krzysztof.kozlowski@oss.qualcomm.com; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B X-Proofpoint-ORIG-GUID: YahGeTTMaQWe_PsrihGnMQSxMmCCIcgE X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzA1MDE4NSBTYWx0ZWRfX1K/hJiUGIksf hh0TNPyXyR3AkiQWjS+v+lIQ4/OHrYB/8t4gJovUOQO+6qwbTPZAUH9Adhhs7ZiRPKEf8Z443bs mDe4c6YmfKoIuep02abazLXotbt4OYQgS+1JkXv5wtJWO0NyWobzmHiqEk2S1fsbgnKXHpkK2/a wWoY4/aXn/hvV5+FgqzSTLmYO7qBl9CnnAgrDfgH1L8H3aapY366LAtJXCOfrqiV/Es3vNJp/OD eRnDmN0BYsWQlcS8vTO/laXB5KfVAxVFz4jX4RvWagAg4HQxoPat81SG6Elbmjgoo3u2akR8yAC aW8SDKZUl8KHjdiZjxh3Q5TF/JG7On+MeYnZsXfFkuzaux3YlqomFKk7IpGJrsvTOQPVoCIgzdg mVjhPCDyHfwF645R6mlOW4mHbnyIapbFpaRWchg+gCW7WjrRbOEY/mQXzuSU+5jrkY/Iv3udBjg /KLTwqZOarco9QvnWDA== X-Authority-Analysis: v=2.4 cv=aOb9aL9m c=1 sm=1 tr=0 ts=69a9f9c0 cx=c_pps a=wEM5vcRIz55oU/E2lInRtA==:117 a=gOEeR9iKwsj33Yj5oN/cWg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=_A9l7huuyFcfbLupPaEA:9 a=QEXdDO2ut3YA:10 a=OIgjcC2v60KrkQgK7BGD:22 X-Proofpoint-GUID: YahGeTTMaQWe_PsrihGnMQSxMmCCIcgE 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=2026-03-05_06,2026-03-04_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 bulkscore=0 clxscore=1015 adultscore=0 suspectscore=0 priorityscore=1501 lowpriorityscore=0 spamscore=0 malwarescore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603050185 Simplify the driver by using devm interfaces, which allow to drop probe() error paths and the remove() callback. Change is not equivalent in the workqueue itself: use non-legacy API which does not set (__WQ_LEGACY | WQ_MEM_RECLAIM). The workqueue is used to update logs, thus there is no point to run it for memory reclaim. Signed-off-by: Krzysztof Kozlowski --- Changes in v2: 1. Use devm_alloc_ordered_workqueue(), mention this in commit msg --- drivers/platform/chrome/cros_usbpd_logger.c | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-) diff --git a/drivers/platform/chrome/cros_usbpd_logger.c b/drivers/platform/chrome/cros_usbpd_logger.c index 7ce75e2e039e..d343e1ab6f08 100644 --- a/drivers/platform/chrome/cros_usbpd_logger.c +++ b/drivers/platform/chrome/cros_usbpd_logger.c @@ -5,6 +5,7 @@ * Copyright 2018 Google LLC. */ +#include #include #include #include @@ -199,6 +200,7 @@ static int cros_usbpd_logger_probe(struct platform_device *pd) struct cros_ec_dev *ec_dev = dev_get_drvdata(pd->dev.parent); struct device *dev = &pd->dev; struct logger_data *logger; + int ret; logger = devm_kzalloc(dev, sizeof(*logger), GFP_KERNEL); if (!logger) @@ -210,25 +212,20 @@ static int cros_usbpd_logger_probe(struct platform_device *pd) platform_set_drvdata(pd, logger); /* Retrieve PD event logs periodically */ - INIT_DELAYED_WORK(&logger->log_work, cros_usbpd_log_check); - logger->log_workqueue = create_singlethread_workqueue("cros_usbpd_log"); + logger->log_workqueue = devm_alloc_ordered_workqueue(dev, "cros_usbpd_log", 0); if (!logger->log_workqueue) return -ENOMEM; + ret = devm_delayed_work_autocancel(dev, &logger->log_work, cros_usbpd_log_check); + if (ret) + return ret; + queue_delayed_work(logger->log_workqueue, &logger->log_work, CROS_USBPD_LOG_UPDATE_DELAY); return 0; } -static void cros_usbpd_logger_remove(struct platform_device *pd) -{ - struct logger_data *logger = platform_get_drvdata(pd); - - cancel_delayed_work_sync(&logger->log_work); - destroy_workqueue(logger->log_workqueue); -} - static int __maybe_unused cros_usbpd_logger_resume(struct device *dev) { struct logger_data *logger = dev_get_drvdata(dev); @@ -263,7 +260,6 @@ static struct platform_driver cros_usbpd_logger_driver = { .pm = &cros_usbpd_logger_pm_ops, }, .probe = cros_usbpd_logger_probe, - .remove = cros_usbpd_logger_remove, .id_table = cros_usbpd_logger_id, }; -- 2.51.0