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From: Philipp Zabel <p.zabel@pengutronix.de>
To: "Bartosz Golaszewski" <brgl@bgdev.pl>,
	"Hans de Goede" <hansg@kernel.org>,
	"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
	"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
	"Sakari Ailus" <sakari.ailus@linux.intel.com>,
	"Linus Walleij" <linus.walleij@linaro.org>,
	"Dmitry Torokhov" <dmitry.torokhov@gmail.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
	"Charles Keepax" <ckeepax@opensource.cirrus.com>
Cc: platform-driver-x86@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Bartosz Golaszewski <bartosz.golaszewski@linaro.org>,
		stable@vger.kernel.org, Stephen Rothwell <sfr@canb.auug.org.au>
Subject: Re: [PATCH] platform/x86: intel: chtwc_int33fe: don't dereference swnode args
Date: Fri, 21 Nov 2025 15:43:43 +0100	[thread overview]
Message-ID: <821febecdbf9bdbb39749060fb514cb823388efa.camel@pengutronix.de> (raw)
In-Reply-To: <20251121-int33fe-swnode-fix-v1-1-713e7b7c6046@linaro.org>

On Fr, 2025-11-21 at 11:04 +0100, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> 
> Members of struct software_node_ref_args should not be dereferenced
> directly but set using the provided macros. Commit d7cdbbc93c56
> ("software node: allow referencing firmware nodes") changed the name of
> the software node member and caused a build failure. Remove all direct
> dereferences of the ref struct as a fix.
> 
> However, this driver also seems to abuse the software node interface by
> waiting for a node with an arbitrary name "intel-xhci-usb-sw" to appear
> in the system before setting up the reference for the I2C device, while
> the actual software node already exists in the intel-xhci-usb-role-switch
> module and should be used to set up a static reference. Add a FIXME for
> a future improvement.
> 
> Fixes: d7cdbbc93c56 ("software node: allow referencing firmware nodes")
> Fixes: 53c24c2932e5 ("platform/x86: intel_cht_int33fe: use inline reference properties")
> Cc: stable@vger.kernel.org
> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
> Closes: https://lore.kernel.org/all/20251121111534.7cdbfe5c@canb.auug.org.au/
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> ---
> This should go into the reset tree as a fix to the regression introduced
> by the reset-gpio driver rework.

Applied to reset/gpio, thanks!

[1/1] platform/x86: intel: chtwc_int33fe: don't dereference swnode args
      https://git.pengutronix.de/cgit/pza/linux/commit/?id=527250cd9092

regards
Philipp

      parent reply	other threads:[~2025-11-21 14:43 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-21 10:04 Bartosz Golaszewski
2025-11-21 13:39 ` Hans de Goede
2025-11-21 13:50   ` Bartosz Golaszewski
2025-11-21 14:43     ` Philipp Zabel
2025-11-21 14:18   ` Ilpo Järvinen
2025-11-21 14:43 ` Philipp Zabel [this message]

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