{"id":2215965,"url":"http://patchwork.ozlabs.org/api/patches/2215965/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-i2c/patch/20260325143555.451852-16-herve.codina@bootlin.com/","project":{"id":35,"url":"http://patchwork.ozlabs.org/api/projects/35/?format=json","name":"Linux I2C development","link_name":"linux-i2c","list_id":"linux-i2c.vger.kernel.org","list_email":"linux-i2c@vger.kernel.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260325143555.451852-16-herve.codina@bootlin.com>","list_archive_url":null,"date":"2026-03-25T14:35:42","name":"[v6,15/27] i2c: mux: Set adapter physical device","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"7a3f13d2834ed3568e26a0a3536f37b528825d49","submitter":{"id":81983,"url":"http://patchwork.ozlabs.org/api/people/81983/?format=json","name":"Herve Codina","email":"herve.codina@bootlin.com"},"delegate":{"id":9049,"url":"http://patchwork.ozlabs.org/api/users/9049/?format=json","username":"wsa","first_name":"Wolfram","last_name":"Sang","email":"wolfram@the-dreams.de"},"mbox":"http://patchwork.ozlabs.org/project/linux-i2c/patch/20260325143555.451852-16-herve.codina@bootlin.com/mbox/","series":[{"id":497455,"url":"http://patchwork.ozlabs.org/api/series/497455/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-i2c/list/?series=497455","date":"2026-03-25T14:35:31","name":"lan966x pci device: Add support for SFPs","version":6,"mbox":"http://patchwork.ozlabs.org/series/497455/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2215965/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2215965/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-i2c@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=bootlin.com header.i=@bootlin.com header.a=rsa-sha256\n header.s=dkim header.b=YFHVBRNZ;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; 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a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1774449648; cv=none;\n b=PORlC4dYvzWuqicpxszUkMg2/uETbyDKvLM3qNMhNq/D8kYjt4gQ/tbMM2ftNz/f6y1whoAqv9I7iVeQVN6bpbMYqmz2G/xDOZ0d7RL3wyj0QXrEyJlzA8fYpMsxmiFWNJq+qIFaxD6vCsG8dm2k/jC25ehznZz7YrUT2z2ujgU=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1774449648; c=relaxed/simple;\n\tbh=DaRfsV2u+e7/20CbFYhTmGEe9Lq4oc9ftgi7hzgtJxs=;\n\th=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version;\n b=ciL+pCIlFpWRfWQG7DsImOLlyaqgPGZhl8Kjb3RT+qCxvrOsIFbh6cmSBGrG8yqI0OaqjGXehv4amuVePjRPYvOrY8fT6ix8FXKpT+8V3eBYfWbFuQsm/xH10XLwxbrDOls6Gifd3wtFMVmkKLdf/tiMDN/sQFkYv5aQ6HHKLC0=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dmarc=pass (p=reject dis=none) header.from=bootlin.com;\n spf=pass smtp.mailfrom=bootlin.com;\n dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com\n header.b=YFHVBRNZ; arc=none smtp.client-ip=185.171.202.116","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim;\n\tt=1774449643; h=from:subject:date:message-id:to:cc:mime-version:\n\t content-transfer-encoding:in-reply-to:references;\n\tbh=EO+KwDm3fpx2sS0DmTpGwECNmbhB0N19pDgf5whzoMI=;\n\tb=YFHVBRNZ+4X0eUGYxGcRdBemBZJ+IuGttbYxvNOnEWumFTnvI89irKZyA/5L5njmYiGFY6\n\teeQpqEBeK+GrJFArhYFNfLvTKbm0jPktRKzSgWPxpYjvCbaUr6j6CiM4jYev6430X0Ch3v\n\tGON1VTnHTdBuZ9PL6ncaw03zYbuAVgt0LZXPIR1q3xwDzRYuH3tuRY64VgHPDDs4ZluL9d\n\tr2I3ie4W0rxnR2Z+qj3G4vq2JLnaRjplGvKlIOj4EyVfupQULSx+tWgGSrLUmpyIHf4z8m\n\tFb8x1MMoHX6TBHTPtEa4nq4AeFJs8VXZjKyA5cLHoLkNlgTZNdUOXLWz5Vtszg==","From":"Herve Codina ","To":"Andrew Lunn ,\n\tRob Herring ,\n\tKrzysztof Kozlowski ,\n\tConor Dooley ,\n\tGeert Uytterhoeven ,\n\tKalle Niemi ,\n\tMatti Vaittinen ,\n\tGreg Kroah-Hartman ,\n\t\"Rafael J. Wysocki\" ,\n\tDanilo Krummrich ,\n\tFrank Li ,\n\tSascha Hauer ,\n\tPengutronix Kernel Team ,\n\tFabio Estevam ,\n\tMichael Turquette ,\n\tStephen Boyd ,\n\tAndi Shyti ,\n\tWolfram Sang ,\n\tPeter Rosin ,\n\tArnd Bergmann ,\n\tHerve Codina ,\n\tSaravana Kannan ,\n\tBjorn Helgaas ,\n\tCharles Keepax ,\n\tRichard Fitzgerald ,\n\tDavid Rhodes ,\n\tLinus Walleij ,\n\tUlf Hansson ,\n\tMark Brown ,\n\tLen Brown ,\n\tAndy Shevchenko ,\n\tDaniel Scally ,\n\tHeikki Krogerus ,\n\tSakari Ailus ,\n\tDavidlohr Bueso ,\n\tJonathan Cameron ,\n\tDave Jiang ,\n\tAlison Schofield ,\n\tVishal Verma ,\n\tIra Weiny ,\n\tDan Williams ,\n\tShawn Guo ","Cc":"Wolfram Sang ,\n\tlinux-kernel@vger.kernel.org,\n\tdriver-core@lists.linux.dev,\n\timx@lists.linux.dev,\n\tlinux-arm-kernel@lists.infradead.org,\n\tlinux-clk@vger.kernel.org,\n\tlinux-i2c@vger.kernel.org,\n\tdevicetree@vger.kernel.org,\n\tlinux-pci@vger.kernel.org,\n\tlinux-sound@vger.kernel.org,\n\tpatches@opensource.cirrus.com,\n\tlinux-gpio@vger.kernel.org,\n\tlinux-pm@vger.kernel.org,\n\tlinux-spi@vger.kernel.org,\n\tlinux-acpi@vger.kernel.org,\n\tlinux-cxl@vger.kernel.org,\n\tAllan Nielsen ,\n\tHoratiu Vultur ,\n\tSteen Hegelund ,\n\tLuca Ceresoli ,\n\tThomas Petazzoni ","Subject":"[PATCH v6 15/27] i2c: mux: Set adapter physical device","Date":"Wed, 25 Mar 2026 15:35:42 +0100","Message-ID":"<20260325143555.451852-16-herve.codina@bootlin.com>","X-Mailer":"git-send-email 2.53.0","In-Reply-To":"<20260325143555.451852-1-herve.codina@bootlin.com>","References":"<20260325143555.451852-1-herve.codina@bootlin.com>","Precedence":"bulk","X-Mailing-List":"linux-i2c@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Last-TLS-Session-Version":"TLSv1.3"},"content":"For i2c muxes, the parent of the mux adapter device is the adapter\ndevice the mux is connected to.\n\nThis parent is not the physical device related to the mux adapter.\nIndeed, the physical device of the mux adapter is the mux device itself.\n\nFill the adap.physdev with the mux device.\n\nSigned-off-by: Herve Codina \nReviewed-by: Andi Shyti \n---\n drivers/i2c/i2c-mux.c | 1 +\n 1 file changed, 1 insertion(+)","diff":"diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c\nindex 681a201c239b..f4e73e7a0e33 100644\n--- a/drivers/i2c/i2c-mux.c\n+++ b/drivers/i2c/i2c-mux.c\n@@ -315,6 +315,7 @@ int i2c_mux_add_adapter(struct i2c_mux_core *muxc,\n \tpriv->adap.algo = &priv->algo;\n \tpriv->adap.algo_data = priv;\n \tpriv->adap.dev.parent = &parent->dev;\n+\tpriv->adap.physdev = muxc->dev;\n \tpriv->adap.retries = parent->retries;\n \tpriv->adap.timeout = parent->timeout;\n \tpriv->adap.quirks = parent->quirks;\n","prefixes":["v6","15/27"]}