{"id":2227500,"url":"http://patchwork.ozlabs.org/api/patches/2227500/?format=json","web_url":"http://patchwork.ozlabs.org/project/rtc-linux/patch/20260424-s2mu005-pmic-v5-5-fcbc9da5a004@disroot.org/","project":{"id":9,"url":"http://patchwork.ozlabs.org/api/projects/9/?format=json","name":"Linux RTC development","link_name":"rtc-linux","list_id":"linux-rtc.vger.kernel.org","list_email":"linux-rtc@vger.kernel.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260424-s2mu005-pmic-v5-5-fcbc9da5a004@disroot.org>","list_archive_url":null,"date":"2026-04-23T19:39:04","name":"[v5,05/11] mfd: sec: set DMA coherent mask","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"4ac158596306925614522b77602a6d65e9cfc8b5","submitter":{"id":88698,"url":"http://patchwork.ozlabs.org/api/people/88698/?format=json","name":"Kaustabh Chakraborty","email":"kauschluss@disroot.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/rtc-linux/patch/20260424-s2mu005-pmic-v5-5-fcbc9da5a004@disroot.org/mbox/","series":[{"id":501238,"url":"http://patchwork.ozlabs.org/api/series/501238/?format=json","web_url":"http://patchwork.ozlabs.org/project/rtc-linux/list/?series=501238","date":"2026-04-23T19:39:00","name":"Support for Samsung S2MU005 PMIC and its sub-devices","version":5,"mbox":"http://patchwork.ozlabs.org/series/501238/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2227500/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2227500/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-rtc@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=disroot.org header.i=@disroot.org header.a=rsa-sha256\n header.s=mail header.b=TqEBPuSg;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; 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arc=none smtp.client-ip=178.21.23.139","X-Virus-Scanned":"SPAM Filter at disroot.org","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail;\n\tt=1776973824; bh=IGWSMsR9l3YcM+vGFQnwqbuQBc1K81j9HFRpS0NQ6D4=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc;\n\tb=TqEBPuSgtKzfQ8hr0Xp64VvOwkGPTQYd0rEnJU9RTObZoYBtoS3vtnZGNuduCTsIS\n\t J+XqrpfMYbX3yFJ9occHlsw44QYPZh44TkPlZuHypKbNxSS7skLNuvhh2Is7gfQGyR\n\t DcGX8CUOXRnd6gvsEYJEhlpC7mdfVzDNQzS4+qy/uLA2/ehr8R6/NB85yObufmQOzQ\n\t cQN6ODqw6oqwKy4kkmrcd+8h6mIPOAu6yNhxYna8+EXeQy3HkuvfPNZVdii8CX+06m\n\t rvF6B2nWDDZmd9eel5/JCibUSf7hVAB1HfCO8UAt3mjbRZ4aRCswDO8X5EDEPsB1ES\n\t hP/pcDQgVO7+Q==","From":"Kaustabh Chakraborty ","Date":"Fri, 24 Apr 2026 01:09:04 +0530","Subject":"[PATCH v5 05/11] mfd: sec: set DMA coherent mask","Precedence":"bulk","X-Mailing-List":"linux-rtc@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","Message-Id":"<20260424-s2mu005-pmic-v5-5-fcbc9da5a004@disroot.org>","References":"<20260424-s2mu005-pmic-v5-0-fcbc9da5a004@disroot.org>","In-Reply-To":"<20260424-s2mu005-pmic-v5-0-fcbc9da5a004@disroot.org>","To":"Lee Jones , Pavel Machek ,\n Rob Herring , Krzysztof Kozlowski ,\n Conor Dooley , MyungJoo Ham ,\n Chanwoo Choi , Sebastian Reichel ,\n Krzysztof Kozlowski ,\n =?utf-8?q?Andr=C3=A9_Draszik?= ,\n Alexandre Belloni ,\n Jonathan Corbet , Shuah Khan ,\n Nam Tran ,\n =?utf-8?b?xYF1a2FzeiBMZWJpZWR6acWEc2tp?= ","Cc":"linux-leds@vger.kernel.org, devicetree@vger.kernel.org,\n linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,\n linux-samsung-soc@vger.kernel.org, linux-rtc@vger.kernel.org,\n linux-doc@vger.kernel.org, Kaustabh Chakraborty "},"content":"Kernel logs are filled with \"DMA mask not set\" messages for every\nsub-device. The device does not use DMA for communication, so these\nmessages are useless. Disable the coherent DMA mask for the PMIC device,\nwhich is also propagated to sub-devices.\n\nSigned-off-by: Kaustabh Chakraborty \n---\n drivers/mfd/sec-common.c | 3 +++\n 1 file changed, 3 insertions(+)","diff":"diff --git a/drivers/mfd/sec-common.c b/drivers/mfd/sec-common.c\nindex ad1c7de83a620..afc9e691bb67c 100644\n--- a/drivers/mfd/sec-common.c\n+++ b/drivers/mfd/sec-common.c\n@@ -215,6 +215,9 @@ int sec_pmic_probe(struct device *dev, int device_type, unsigned int irq,\n \tif (IS_ERR(irq_data))\n \t\treturn PTR_ERR(irq_data);\n \n+\tdev->coherent_dma_mask = 0;\n+\tdev->dma_mask = &dev->coherent_dma_mask;\n+\n \tpm_runtime_set_active(sec_pmic->dev);\n \n \tswitch (sec_pmic->device_type) {\n","prefixes":["v5","05/11"]}