{"id":2222967,"url":"http://patchwork.ozlabs.org/api/patches/2222967/?format=json","web_url":"http://patchwork.ozlabs.org/project/rtc-linux/patch/20260414-s2mu005-pmic-v4-7-7fe7480577e6@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":"<20260414-s2mu005-pmic-v4-7-7fe7480577e6@disroot.org>","list_archive_url":null,"date":"2026-04-14T06:32:59","name":"[v4,07/13] mfd: sec: set DMA coherent mask","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"9a955ce59e7b025aced6a44c005bac2c224451fc","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/20260414-s2mu005-pmic-v4-7-7fe7480577e6@disroot.org/mbox/","series":[{"id":499781,"url":"http://patchwork.ozlabs.org/api/series/499781/?format=json","web_url":"http://patchwork.ozlabs.org/project/rtc-linux/list/?series=499781","date":"2026-04-14T06:32:53","name":"Support for Samsung S2MU005 PMIC and its sub-devices","version":4,"mbox":"http://patchwork.ozlabs.org/series/499781/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2222967/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2222967/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=KjzbD14l;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::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=1776148438; bh=tBVictYiLS4Eb0Oa4ViD7YoTdDhm7U8zdVfy7dKd69k=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc;\n\tb=KjzbD14l338DfkGMCawb1I5ZPsZgPbTuJ6Ki6bOcA5i9FfdOVVL25lUldmATqACtY\n\t IjCbKqDRYeZdPBeLwC5l6nVW43p3DeZK6VT21tBc6SLHYhtSIX7fqaqrKyZrCYs19a\n\t FTBrVi4Hute93vRbO27LEg0PZPmFAlG6ashkCAXRlUZzAbnz1l8MuQglteR+t9/YEc\n\t 5QHahQtsCC2H9B6Hd8vExmg/y2VKmmTbWk/NmUomByZnEPyyvk7VEWWQEd7g2rpYsu\n\t WuDZxeEgrw5xgE8uICmtnENy/olPZkhwYHIR0c2qy5crJgW4b1bf/Wx5a2FYdTvRgu\n\t fYcHABHA9kq8g==","From":"Kaustabh Chakraborty ","Date":"Tue, 14 Apr 2026 12:02:59 +0530","Subject":"[PATCH v4 07/13] 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":"<20260414-s2mu005-pmic-v4-7-7fe7480577e6@disroot.org>","References":"<20260414-s2mu005-pmic-v4-0-7fe7480577e6@disroot.org>","In-Reply-To":"<20260414-s2mu005-pmic-v4-0-7fe7480577e6@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 Documentation/devicetree/bindings/mfd/samsung,s2mps11.yaml | 3 +++\n drivers/mfd/sec-common.c | 3 +++\n 2 files changed, 6 insertions(+)","diff":"diff --git a/Documentation/devicetree/bindings/mfd/samsung,s2mps11.yaml b/Documentation/devicetree/bindings/mfd/samsung,s2mps11.yaml\nindex d3d305b9aa765..849740868d728 100644\n--- a/Documentation/devicetree/bindings/mfd/samsung,s2mps11.yaml\n+++ b/Documentation/devicetree/bindings/mfd/samsung,s2mps11.yaml\n@@ -356,6 +356,9 @@ examples:\n };\n \n port {\n+ #address-cells = <1>;\n+ #size-cells = <0>;\n+\n muic_to_charger: endpoint@0 {\n reg = <0>;\n remote-endpoint = <&charger_to_muic>;\ndiff --git a/drivers/mfd/sec-common.c b/drivers/mfd/sec-common.c\nindex b3268516bf75e..883e6d0aa3f06 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":["v4","07/13"]}