Thread (57 messages) 57 messages, 14 authors, 4d ago

Re: [PATCH 08/23] driver core: platform: provide platform_device_set_of_node_from_dev()

From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: 2026-06-05 14:53:24
Also in: dri-devel, driver-core, imx, intel-xe, linux-arm-msm, linux-devicetree, linux-i2c, linux-iommu, linux-mips, linux-pm, linux-sound, linux-usb, linuxppc-dev, lkml, platform-driver-x86

On Fri, Jun 05, 2026 at 02:16:17PM +0200, Johan Hovold wrote:
On Wed, Jun 03, 2026 at 12:44:55AM +0300, Andy Shevchenko wrote:
quoted
On Thu, May 21, 2026 at 10:36:31AM +0200, Bartosz Golaszewski wrote:
quoted
Provide a platform-specific variant of device_set_of_node_from_dev(). In
addition to bumping the reference count of the OF node being assigned,
it also assigns the fwnode of the platform device.
Can we rather investigate the way how to make that of node reuse thingy
(which is used solely by pin control) differently and then drop this confusing
device_set_of_node_from_dev() call altogether?
No, that call is needed. See commit 4e75e1d7dac9 ("driver core: add
helper to reuse a device-tree node") for details.
Bart fixes the problem with the platform driver. At the result this will be
the only device_set_node() + 'reused = true'.  As for 'reused' flag, the need
is only for pinmux/pin control stuff. The question here is if there is a better
way to make that 'reused' be done automatically without need of setting some
flag explicitly.

-- 
With Best Regards,
Andy Shevchenko

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