From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 507B944BC90 for ; Mon, 6 Jul 2026 12:45:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783341909; cv=none; b=SM1ZdJPm5Sy1OQGeBkbwo8OtCIUGLzc1MQBSvaPD4nohst9CVh+fWEq6/e8FwkgrohmeTahwQrVm5/Wd8Rl1ApGlY4BkRe7Bv1SruMDxUFAYkoBF8No/nkJotrdQJEQMCKhnyIMtn3/k81iy3hkJWSN/odAolWpOm3fxqHRoGHo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783341909; c=relaxed/simple; bh=6LGnnQUilPleWEktfrY4MmM0pkVSQym5Tb6K8ulPQrE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=qFzhL/fTeoQKBNZLN0F+TBunxsYV/ICNjnrMDt1VDCnHXZTegjS2lWeiBYLbrEe4JAVBCCyVMxRxW4zxaWUY0OoPITrnjhtBsKzFIlK+BlWrtHxUt/pDfTUdmlSSF+pN1qo0iKt0S9r/9R+Olhw7QRzoFQ+BrXbTQ+8MFq/U9Uc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=eMDmEatA; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=AYUKA9xo; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="eMDmEatA"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="AYUKA9xo" Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 666AxKxM361446 for ; Mon, 6 Jul 2026 12:45:00 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= 3+yUr04oywdz4IiOeMls1g7Xd5wgtPGT8YOwPRuyxOQ=; b=eMDmEatA+mntEhDP hJg0kYY5ngJKUD2HA6tUAT2pLblN/xbU0CHq6sj91iqZnEeZnVgd4vAdeRzGzMWY uoo5jiozfbRr90ky/IFTfnLovnWUDoT7RUSNvkuDAZWQePbASpj3sw68yWJWM0qT 0zUz2Wp5rOpE879XRKdogY74+OkmzM5N1apchnTZ+Nojt8ltOW3B/faaBbHJL9cG 4jJVAQNmAfMRAxJpiGEgKfBeyWKKSI3b2Rw+EBZx7jY3ORuS44gDyPy2GjPlm6I7 uPoAwm/ZJ1ggoI/y2XHMHjZvHWMWw8lpcFwOAfkpMuBrlOvDZchrNOk+iUe4/Jy3 6voEyw== Received: from mail-qk1-f199.google.com (mail-qk1-f199.google.com [209.85.222.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4f88h512bb-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 06 Jul 2026 12:45:00 +0000 (GMT) Received: by mail-qk1-f199.google.com with SMTP id af79cd13be357-92e55f0613cso231547785a.3 for ; Mon, 06 Jul 2026 05:45:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1783341900; x=1783946700; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=3+yUr04oywdz4IiOeMls1g7Xd5wgtPGT8YOwPRuyxOQ=; b=AYUKA9xoOMnrjyYQxUpt6t/qB5cbGOm/itGzPgzOt06/XXALKVLgmWCasENr9IuwM9 prLQBb3+ByZFcxEsHbsE217jtTOI2jh8RBPOF3yTZlmTzfqecN9MrA35rItVPdRzTDAk EAe5srBC2CWoG5aGvR+DEuHW+Lx8GWRkGZqgbTqGTPYnPAyAZR3GIsh45eSG27RXC/Zh 0JFiGvEQPFe2WTyo7Da8o5tivW11xpu0lnI5++/nUE5oRjCpsYhrbbIpJqrS3vWZMWEG W2BjdUDhWdalhnlUv7brXkW8ACejrISiR7FEI9i18lK4e6BeRAOGybmKKtfLkdJahZCa uyng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783341900; x=1783946700; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=3+yUr04oywdz4IiOeMls1g7Xd5wgtPGT8YOwPRuyxOQ=; b=Ze50asRBW+UTTB8pdQ1umMOOmwql419CisRJ37Wz2fE3p/5K1LToSULI+KG5P9sGtq ZfPIcJ8LDB7X9Ko0cpFG7hnKJdm5jgzXAEtc5NKkmWuRkAbgmZpIkzIUq3OcFF1wNon7 yInRfSkOZZquagFFhs5iwwgNnvfTpaIWvQSTJoJwqitiyiwHlY6gtAVB6GJtWWo2eXMW 3DczHaganWVz0iooxuQmwDdnqu1pYEPHPNRl/KFrDbPOIaQJwVUqGJkp9dW7VC4+a8nt zh01pzCanYDOD1FuIREJR+8ve/lLKpiKbVIBgpCP0Tm59XPz3n/G95Ny1tF4Okdc6Fy7 fpAQ== X-Forwarded-Encrypted: i=1; AHgh+RrYvhebdqhiOmiwU1Y+AbjfoDDsQIErRo3LzUdD8Q0eSOp6ZJbImcJ0CCLOKIzgrJn7KaNhIpArz7nA@vger.kernel.org X-Gm-Message-State: AOJu0YzetAgGlzvhTSEeZEMzW+LmWxT1HtWcDcP88PaXt1n0W9XTV4X5 t1Q5vkANecW0s3ARmPGphichyz8/YR0i4lsyIMa2NwKg+CVPZG03uX2dblZ8hUBM8hCLts8gxC9 ITDrBF/K0WCiOVlcZcMwOeXV2bqd97bddXnYhOSrc2A7sVw6clbmlfgYYzPPAy3tq X-Gm-Gg: AfdE7ckEqHCbmSSmiWCMmgaT67jBUfhUzQyV17OaqwJpd6xwUxr//664hSNNlLiXGRJ V5HOhlv+4HPy1NpXbw0qbBE6svx7/w2jtG0rtq5UIJejOLUSEMMV3lqRtvS2OLJqbDFeASytQ4b Vb/uXbSXUlVEwXOlhUBUPvkiPsIwAEqjeU2oPegOHnL8sY/ymFUyxs5EXOnqgpsyqS9nLTPbm+1 UQz5+/UJttvRrSeHmIvNWqQ7DUG9GHXgO3bImRpL9lQW9W43W8wDRGFNizBLVejoC4KedjxOETl /2jC1KzibhlssjjnNrF1dGRwQbrmRyAWP5b/CVpVnyEv+nsjPNWZWcaN7McycU3yOj60H5hZew2 0oGwWCpHqTHOCI9NDivvQfOSudni3CElfET1ABmEx X-Received: by 2002:a05:620a:3188:b0:920:6061:816d with SMTP id af79cd13be357-92ebb3a6413mr53861385a.0.1783341899696; Mon, 06 Jul 2026 05:44:59 -0700 (PDT) X-Received: by 2002:a05:620a:3188:b0:920:6061:816d with SMTP id af79cd13be357-92ebb3a6413mr53854785a.0.1783341899137; Mon, 06 Jul 2026 05:44:59 -0700 (PDT) Received: from brgl-qcom.local ([2a01:cb1d:dc:7e00:86f0:c42b:ef4c:d3bb]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47aa0a55be4sm22126539f8f.31.2026.07.06.05.44.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Jul 2026 05:44:58 -0700 (PDT) From: Bartosz Golaszewski Date: Mon, 06 Jul 2026 14:44:15 +0200 Subject: [PATCH v3 03/20] driver core: platform: provide platform_device_set_fwnode() Precedence: bulk X-Mailing-List: linux-mips@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: <20260706-pdev-fwnode-ref-v3-3-1ff028e33779@oss.qualcomm.com> References: <20260706-pdev-fwnode-ref-v3-0-1ff028e33779@oss.qualcomm.com> In-Reply-To: <20260706-pdev-fwnode-ref-v3-0-1ff028e33779@oss.qualcomm.com> To: Lee Jones , Mark Brown , Thierry Reding , Sebastian Hesselbarth , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Srinivas Kandagatla , Greg Kroah-Hartman , Vinod Koul , "Rafael J. Wysocki" , Danilo Krummrich , Rob Herring , Saravana Kannan , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Andi Shyti , Andy Shevchenko , Joerg Roedel , Will Deacon , Robin Murphy , Doug Berger , Florian Fainelli , Broadcom internal kernel review list , Ulf Hansson , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Matthew Brost , =?utf-8?q?Thomas_Hellstr=C3=B6m?= , Rodrigo Vivi , David Airlie , Simona Vetter , Peter Chen , Paul Cercueil , Bin Liu , Philipp Zabel , Maximilian Luz , Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , Krzysztof Kozlowski , Benjamin Herrenschmidt Cc: brgl@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-sound@vger.kernel.org, driver-core@lists.linux.dev, devicetree@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-i2c@vger.kernel.org, iommu@lists.linux.dev, linux-pm@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-usb@vger.kernel.org, linux-mips@vger.kernel.org, platform-driver-x86@vger.kernel.org, mfd@lists.linux.dev, Bartosz Golaszewski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2811; i=bartosz.golaszewski@oss.qualcomm.com; h=from:subject:message-id; bh=6LGnnQUilPleWEktfrY4MmM0pkVSQym5Tb6K8ulPQrE=; b=owEBbQKS/ZANAwAKAQWdLsv/NoTDAcsmYgBqS6MwrXJyI6RDGXR5NSdFZ9xrrITGBOlOKRSQ8 YpbXqH2OJqJAjMEAAEKAB0WIQSR5RMt5bVGHXuiZfwFnS7L/zaEwwUCakujMAAKCRAFnS7L/zaE w/sdEACHAvXLRsU5RV7NL57uR65UVTNYQntV6UGg875BqJxWEvlWfG5SidW+TTr1zGmNWyjwn46 INxrqYMa02CNieMK5mjLiVaCZWsT1rjXF4OV7zMxUVU9DUkdO4QBiRa6mKZxZHP3qGTcCxK3Llq e36oYe9K/9tuGsUmHfogfwxzw6/UIy6Ka89reeczHeRntzFRJpF5TzeDR4T9Vn+z2COOIOy1TPN z0/I7QxhkhBmEIm4nhai3oxZGwahkI4CuOrWnohRoujcTlcqg9HHOX5WjfsVRtICbbKFPeQ2wEq l+ip9n1y1FL4wuvfQ7VWQigZelfqoka9z0v4ffxsbuMDuZeiOa8dQrBBYoKXZCPTQzX0xhte7Rc wLGFEQQnwWVRnmtBjioxssuPAjm/gcAb6ypAO0j8u3ia/6k8jE+6y0ZYpKaDgn7zijlJDPxnyO+ XFuvWhjfn8yjrT3vF4AmdyxWAszTaUzOfOhTuKMT3cWnj8bJpq4U6GXpv5nztKgHa3iFNntWgl8 EWhctNRgB+bsLrCzsSwhtoPFZghiAWba4tq8OYctcOhetLOekXjehwdI+MTyoHAYlY2O4bCLNyF uBpojQHZsf65MVPDsAHKEHy357eeHVezaSVNZiicNTo5wwdMB5ghmjRAg2WUP8MB1nXUoK2zDEB zgEguOOlSD8tZqA== X-Developer-Key: i=bartosz.golaszewski@oss.qualcomm.com; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 X-Proofpoint-GUID: IushTrHQEZcwqdOELxIw2Ph2JoglEVcH X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA2MDEyOSBTYWx0ZWRfXzB6pkNPUAPfv JGmUwZm7H0Ss3ZYq+xjZZcBqkuGo7LDuzAbP5ipHoF9QEsUzq7TbSmQrHD5zggTtsQhSO5lTbGM lu7SNbT7PT59CjfW0N9H8Zce7cpdc5U= X-Authority-Analysis: v=2.4 cv=EPU2FVZC c=1 sm=1 tr=0 ts=6a4ba34c cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=QyXUC8HyAAAA:8 a=EUspDBNiAAAA:8 a=7s1i5lxVbzGmBzMXG7QA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA2MDEyOSBTYWx0ZWRfX7ydd51P9sqPs y6BvvBEOnjhmHoTV19CzAmErarV1JLZjpVLlbAytY8Hb1zjq72CEbUnR4YodWSOYtLOwlrTSZlB GgjKoLTnN+eiVh4B82YgeMl9hTtmi5q6GLbBND8CxTL3dyq7yW0fzAVZ97ipQObQ0ZgAoshh79B +jdNip7bxNefB7vMvv6GIVm3YM+ZyS6j33e/jt+qCbtgSbz/pKH7rMkOoPLo16khdW6FTUVx0Sl 0N79PlahDWuZPIv5rj39QX9Bvdy753JuTFDBHj5s93rnw4Cg6GXpmI9oOntoe2tY9C4n7CXYYsm EY5mXPerEq3CD+BZTXZoHfe5qY3xQNp/ipmEdlEWwS4txLdkQz6Ah5H3Nc2U6lrj8e6QQvGpb0E LCMfx4iOWaeZuKkIc1y0PBxQ3BKYlfT7BWIm/nVOnJTe4UylsvOb9WP4nGTDU8ypdRVwtiqOWht lYLT8Qtw3t5JxzHOJAg== X-Proofpoint-ORIG-GUID: IushTrHQEZcwqdOELxIw2Ph2JoglEVcH X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-06_01,2026-07-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 malwarescore=0 spamscore=0 adultscore=0 suspectscore=0 phishscore=0 bulkscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607060129 Provide a helper function encapsulating the logic of assigning firmware nodes to platform devices created with platform_device_alloc(). Make the kerneldoc state that this is the proper interface for assigning firmware nodes to dynamically allocated platform devices. This will allow us to switch to counting the references of the device's firmware nodes in the future, not only the OF nodes. Reviewed-by: Andy Shevchenko Signed-off-by: Bartosz Golaszewski --- drivers/base/platform.c | 19 +++++++++++++++++++ include/linux/platform_device.h | 3 +++ 2 files changed, 22 insertions(+) diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 3188d5aba5f90622f821c695049cacda030204fb..6520b70cf3052d683a2ecb1a0dd7227575546ba0 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -711,6 +711,25 @@ void platform_device_set_of_node(struct platform_device *pdev, } EXPORT_SYMBOL_GPL(platform_device_set_of_node); +/** + * platform_device_set_fwnode - assign a firmware node to device + * @pdev: platform device to set the node for + * @fwnode: new firmware node + * + * Assign a firmware node to this platform device. Internally keep track of the + * reference count. Devices created with platform_device_alloc() must use this + * function instead of assigning the node manually. + */ +void platform_device_set_fwnode(struct platform_device *pdev, + struct fwnode_handle *fwnode) +{ + if (is_of_node(fwnode)) + platform_device_set_of_node(pdev, to_of_node(fwnode)); + else + pdev->dev.fwnode = fwnode; +} +EXPORT_SYMBOL_GPL(platform_device_set_fwnode); + /** * platform_device_add - add a platform device to device hierarchy * @pdev: platform device we're adding diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h index e9f7baceeb4c8269dbc0143c4d8fc9d73ba024ca..f037e4101c41dfdbf628d013348d7149ac519721 100644 --- a/include/linux/platform_device.h +++ b/include/linux/platform_device.h @@ -21,6 +21,7 @@ struct mfd_cell; struct property_entry; struct platform_device_id; struct device_node; +struct fwnode_handle; struct platform_device { const char *name; @@ -266,6 +267,8 @@ extern int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size); void platform_device_set_of_node(struct platform_device *pdev, struct device_node *np); +void platform_device_set_fwnode(struct platform_device *pdev, + struct fwnode_handle *fwnode); extern int platform_device_add(struct platform_device *pdev); extern void platform_device_del(struct platform_device *pdev); extern void platform_device_put(struct platform_device *pdev); -- 2.47.3