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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Cc: "Lee Jones" <lee@kernel.org>,
	"Mark Brown" <broonie@opensource.wolfsonmicro.com>,
	"Thierry Reding" <thierry.reding@avionic-design.de>,
	"Sebastian Hesselbarth" <sebastian.hesselbarth@gmail.com>,
	"Andrew Lunn" <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	"Eric Dumazet" <edumazet@google.com>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Paolo Abeni" <pabeni@redhat.com>,
	"Srinivas Kandagatla" <srini@kernel.org>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Vinod Koul" <vkoul@kernel.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	"Danilo Krummrich" <dakr@kernel.org>,
	"Rob Herring" <robh@kernel.org>,
	"Saravana Kannan" <saravanak@kernel.org>,
	"Madhavan Srinivasan" <maddy@linux.ibm.com>,
	"Michael Ellerman" <mpe@ellerman.id.au>,
	"Nicholas Piggin" <npiggin@gmail.com>,
	"Christophe Leroy (CS GROUP)" <chleroy@kernel.org>,
	"Andi Shyti" <andi.shyti@kernel.org>,
	"Joerg Roedel" <joro@8bytes.org>, "Will Deacon" <will@kernel.org>,
	"Robin Murphy" <robin.murphy@arm.com>,
	"Doug Berger" <opendmb@gmail.com>,
	"Florian Fainelli" <florian.fainelli@broadcom.com>,
	"Broadcom internal kernel review list"
	<bcm-kernel-feedback-list@broadcom.com>,
	"Ulf Hansson" <ulfh@kernel.org>, "Frank Li" <Frank.Li@nxp.com>,
	"Sascha Hauer" <s.hauer@pengutronix.de>,
	"Pengutronix Kernel Team" <kernel@pengutronix.de>,
	"Fabio Estevam" <festevam@gmail.com>,
	"Matthew Brost" <matthew.brost@intel.com>,
	"Thomas Hellström" <thomas.hellstrom@linux.intel.com>,
	"Rodrigo Vivi" <rodrigo.vivi@intel.com>,
	"David Airlie" <airlied@gmail.com>,
	"Simona Vetter" <simona@ffwll.ch>,
	"Peter Chen" <peter.chen@kernel.org>,
	"Paul Cercueil" <paul@crapouillou.net>, "Bin Liu" <b-liu@ti.com>,
	"Philipp Zabel" <p.zabel@pengutronix.de>,
	"Maximilian Luz" <luzmaximilian@gmail.com>,
	"Hans de Goede" <hansg@kernel.org>,
	"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
	"Krzysztof Kozlowski" <krzk@kernel.org>,
	"Benjamin Herrenschmidt" <benh@kernel.crashing.org>,
	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,
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	linux-pm@vger.kernel.org, imx@lists.linux.dev,
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	platform-driver-x86@vger.kernel.org
Subject: Re: [PATCH v2 19/19] driver core: platform: count references to all kinds of firmware nodes
Date: Mon, 29 Jun 2026 19:21:10 +0300	[thread overview]
Message-ID: <akKbdrwQSGAakDcq@ashevche-desk.local> (raw)
In-Reply-To: <20260629-pdev-fwnode-ref-v2-19-8abe2513f96e@oss.qualcomm.com>

On Mon, Jun 29, 2026 at 11:12:42AM +0200, Bartosz Golaszewski wrote:
> When using platform_device_register_full(), we currently only increase
> the reference count of the OF node associated with a platform device. We
> symmetrically decrease it in platform_device_release(). With all users in
> tree now converted to using provided platform device helpers for
> assigning OF and firmware nodes, we can now switch to counting references
> of all kinds of firmware nodes.

Yep, that's the expected result, thanks!

...

>  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;
> +	fwnode_handle_put(pdev->dev.fwnode);

> +	pdev->dev.fwnode = fwnode_handle_get(fwnode);
> +	pdev->dev.of_node = to_of_node(fwnode);

	device_set_node(&pdev->dev, fwnode_handle_get(fwnode));

>  }

...

>  	pdev->dev.parent = pdevinfo->parent;
> -	pdev->dev.fwnode = pdevinfo->fwnode;
> -	pdev->dev.of_node = of_node_get(to_of_node(pdev->dev.fwnode));

> +	pdev->dev.fwnode = fwnode_handle_get(pdevinfo->fwnode);
> +	pdev->dev.of_node = to_of_node(pdev->dev.fwnode);

See above.

...

With them being addressed,
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

-- 
With Best Regards,
Andy Shevchenko



  reply	other threads:[~2026-06-29 16:21 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-29  9:12 [PATCH v2 00/19] driver core: count references of the platform device's fwnode, not OF node Bartosz Golaszewski
2026-06-29  9:12 ` [PATCH v2 01/19] powerpc/powermac: fix OF node refcount Bartosz Golaszewski
2026-06-29  9:12 ` [PATCH v2 02/19] driver core: platform: provide platform_device_set_of_node() Bartosz Golaszewski
2026-06-30  9:18   ` sashiko-bot
2026-06-30 11:37   ` Manuel Ebner
2026-06-30 13:22     ` Bartosz Golaszewski
2026-07-01 15:05       ` Manuel Ebner
2026-06-29  9:12 ` [PATCH v2 03/19] driver core: platform: provide platform_device_set_fwnode() Bartosz Golaszewski
2026-06-29  9:12 ` [PATCH v2 04/19] driver core: platform: provide platform_device_set_of_node_from_dev() Bartosz Golaszewski
2026-06-29  9:12 ` [PATCH v2 05/19] of: platform: use platform_device_set_of_node() Bartosz Golaszewski
2026-06-29  9:12 ` [PATCH v2 06/19] powerpc/powermac: " Bartosz Golaszewski
2026-06-29  9:12 ` [PATCH v2 07/19] i2c: pxa-pci: " Bartosz Golaszewski
2026-06-30  9:18   ` sashiko-bot
2026-06-29  9:12 ` [PATCH v2 08/19] iommu/fsl: " Bartosz Golaszewski
2026-06-29 14:08   ` Frank Li
2026-06-29  9:12 ` [PATCH v2 09/19] net: bcmgenet: " Bartosz Golaszewski
2026-06-29 23:15   ` Jakub Kicinski
2026-06-30  9:18   ` sashiko-bot
2026-06-29  9:12 ` [PATCH v2 10/19] pmdomain: imx: " Bartosz Golaszewski
2026-06-30  9:18   ` sashiko-bot
2026-06-30 15:27   ` Frank Li
2026-06-29  9:12 ` [PATCH v2 11/19] mfd: tps6586: " Bartosz Golaszewski
2026-06-29  9:12 ` [PATCH v2 12/19] slimbus: qcom-ngd-ctrl: " Bartosz Golaszewski
2026-06-29  9:25   ` Konrad Dybcio
2026-06-29  9:12 ` [PATCH v2 13/19] net: mv643xx: " Bartosz Golaszewski
2026-06-29 23:16   ` Jakub Kicinski
2026-06-29  9:12 ` [PATCH v2 14/19] drm/xe/i2c: use platform_device_set_fwnode() Bartosz Golaszewski
2026-06-30  9:18   ` sashiko-bot
2026-06-29  9:12 ` [PATCH v2 15/19] platform/surface: gpe: " Bartosz Golaszewski
2026-06-29  9:12 ` [PATCH v2 16/19] usb: chipidea: use platform_device_set_of_node_from_dev() Bartosz Golaszewski
2026-06-29  9:12 ` [PATCH v2 17/19] usb: musb: " Bartosz Golaszewski
2026-06-30  9:18   ` sashiko-bot
2026-06-29  9:12 ` [PATCH v2 18/19] reset: rzg2l: " Bartosz Golaszewski
2026-06-29  9:12 ` [PATCH v2 19/19] driver core: platform: count references to all kinds of firmware nodes Bartosz Golaszewski
2026-06-29 16:21   ` Andy Shevchenko [this message]
2026-06-30  9:18   ` sashiko-bot
2026-06-29 16:23 ` [PATCH v2 00/19] driver core: count references of the platform device's fwnode, not OF node Andy Shevchenko
2026-06-29 23:20 ` ✓ CI.KUnit: success for driver core: count references of the platform device's fwnode, not OF node (rev2) Patchwork
2026-06-30  0:24 ` ✓ Xe.CI.BAT: " Patchwork
2026-06-30 12:47 ` ✓ Xe.CI.FULL: " Patchwork

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