From: "Danilo Krummrich" <dakr@kernel.org>
To: "Sakari Ailus" <sakari.ailus@linux.intel.com>
Cc: <Frank.Li@oss.nxp.com>, "Rafael J. Wysocki" <rafael@kernel.org>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Daniel Scally" <djrscally@gmail.com>,
"Heikki Krogerus" <heikki.krogerus@linux.intel.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
"Dafna Hirschfeld" <dafna@fastmail.com>,
"Laurent Pinchart" <laurent.pinchart@ideasonboard.com>,
"Heiko Stuebner" <heiko@sntech.de>,
"Bryan O'Donoghue" <bryan.odonoghue@linaro.org>,
"Vladimir Zapolskiy" <vladimir.zapolskiy@linaro.org>,
"Loic Poulain" <loic.poulain@oss.qualcomm.com>,
<driver-core@lists.linux.dev>, <linux-acpi@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <linux-media@vger.kernel.org>,
<linux-rockchip@lists.infradead.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-arm-msm@vger.kernel.org>, <imx@lists.linux.dev>,
"Guoniu Zhou" <guoniu.zhou@nxp.com>,
"Frank Li" <Frank.Li@nxp.com>,
"Guoniu Zhou" <guoniu.zhou@oss.nxp.com>,
"Laurent Pinchart" <laurent.pinchart+renesas@ideasonboard.com>
Subject: Re: [PATCH v3 1/4] device property: Introduce fwnode_graph_for_each_endpoint_scoped()
Date: Tue, 08 Sep 2026 15:09:49 +0200 [thread overview]
Message-ID: <DL9YJUGAROR8.29QE1H5OO6KKB@kernel.org> (raw)
In-Reply-To: <amhL1BkIG0uTPceL@kekkonen.localdomain>
On Tue Jul 28, 2026 at 8:27 AM CEST, Sakari Ailus wrote:
> Hi Rafael, Danilo,
>
> Can we merge this via the media tree (assuming you're fine with the
> change)?
Acked-by: Danilo Krummrich <dakr@kernel.org>
> On Thu, Jun 25, 2026 at 10:17:21AM -0400, Frank.Li@oss.nxp.com wrote:
>> From: Frank Li <Frank.Li@nxp.com>
>>
>> Similar to recently propose for_each_child_of_node_scoped() this new
>> version of the loop macro instantiates a new local struct fwnode_handle *
>> that uses the __free(fwnode_handle) auto cleanup handling so that if a
>> reference to a node is held on early exit from the loop the reference will
>> be released. If the loop runs to completion, the child pointer will be NULL
>> and no action will be taken.
>>
>> The reason this is useful is that it removes the need for
>> fwnode_handle_put() on early loop exits. If there is a need to retain the
>> reference, then return_ptr(child) or no_free_ptr(child) may be used to
>> safely disable the auto cleanup.
>>
>> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
>> Reviewed-by: Guoniu Zhou <guoniu.zhou@oss.nxp.com>
>> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
>> Signed-off-by: Frank Li <Frank.Li@nxp.com>
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WARNING: multiple messages have this Message-ID (diff)
From: "Danilo Krummrich" <dakr@kernel.org>
To: "Sakari Ailus" <sakari.ailus@linux.intel.com>
Cc: <Frank.Li@oss.nxp.com>, "Rafael J. Wysocki" <rafael@kernel.org>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Daniel Scally" <djrscally@gmail.com>,
"Heikki Krogerus" <heikki.krogerus@linux.intel.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
"Dafna Hirschfeld" <dafna@fastmail.com>,
"Laurent Pinchart" <laurent.pinchart@ideasonboard.com>,
"Heiko Stuebner" <heiko@sntech.de>,
"Bryan O'Donoghue" <bryan.odonoghue@linaro.org>,
"Vladimir Zapolskiy" <vladimir.zapolskiy@linaro.org>,
"Loic Poulain" <loic.poulain@oss.qualcomm.com>,
<driver-core@lists.linux.dev>, <linux-acpi@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <linux-media@vger.kernel.org>,
<linux-rockchip@lists.infradead.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-arm-msm@vger.kernel.org>, <imx@lists.linux.dev>,
"Guoniu Zhou" <guoniu.zhou@nxp.com>,
"Frank Li" <Frank.Li@nxp.com>,
"Guoniu Zhou" <guoniu.zhou@oss.nxp.com>,
"Laurent Pinchart" <laurent.pinchart+renesas@ideasonboard.com>
Subject: Re: [PATCH v3 1/4] device property: Introduce fwnode_graph_for_each_endpoint_scoped()
Date: Tue, 08 Sep 2026 15:09:49 +0200 [thread overview]
Message-ID: <DL9YJUGAROR8.29QE1H5OO6KKB@kernel.org> (raw)
In-Reply-To: <amhL1BkIG0uTPceL@kekkonen.localdomain>
On Tue Jul 28, 2026 at 8:27 AM CEST, Sakari Ailus wrote:
> Hi Rafael, Danilo,
>
> Can we merge this via the media tree (assuming you're fine with the
> change)?
Acked-by: Danilo Krummrich <dakr@kernel.org>
> On Thu, Jun 25, 2026 at 10:17:21AM -0400, Frank.Li@oss.nxp.com wrote:
>> From: Frank Li <Frank.Li@nxp.com>
>>
>> Similar to recently propose for_each_child_of_node_scoped() this new
>> version of the loop macro instantiates a new local struct fwnode_handle *
>> that uses the __free(fwnode_handle) auto cleanup handling so that if a
>> reference to a node is held on early exit from the loop the reference will
>> be released. If the loop runs to completion, the child pointer will be NULL
>> and no action will be taken.
>>
>> The reason this is useful is that it removes the need for
>> fwnode_handle_put() on early loop exits. If there is a need to retain the
>> reference, then return_ptr(child) or no_free_ptr(child) may be used to
>> safely disable the auto cleanup.
>>
>> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
>> Reviewed-by: Guoniu Zhou <guoniu.zhou@oss.nxp.com>
>> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
>> Signed-off-by: Frank Li <Frank.Li@nxp.com>
next prev parent reply other threads:[~2026-09-08 13:10 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-25 14:17 [PATCH v3 0/4] media: add and use fwnode_graph_for_each_endpoint_scoped() Frank.Li
2026-06-25 14:17 ` Frank.Li
2026-06-25 14:17 ` [PATCH v3 1/4] device property: Introduce fwnode_graph_for_each_endpoint_scoped() Frank.Li
2026-06-25 14:17 ` Frank.Li
2026-07-28 6:27 ` Sakari Ailus
2026-07-28 6:27 ` Sakari Ailus
2026-09-08 13:09 ` Danilo Krummrich [this message]
2026-09-08 13:09 ` Danilo Krummrich
2026-06-25 14:17 ` [PATCH v3 2/4] media: mc: use fwnode_graph_for_each_endpoint_scoped() to simpilfy code Frank.Li
2026-06-25 14:17 ` Frank.Li
2026-06-25 14:17 ` [PATCH v3 3/4] media: rkisp1: use fwnode_graph_for_each_endpoint_scoped() to simplify code Frank.Li
2026-06-25 14:17 ` Frank.Li
2026-06-25 14:17 ` [PATCH v3 4/4] media: qcom: camss: " Frank.Li
2026-06-25 14:17 ` Frank.Li
2026-07-29 11:38 ` Bryan O'Donoghue
2026-07-29 11:38 ` Bryan O'Donoghue
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