From nobody Sun May 24 20:35:15 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 28C3C17557E; Thu, 21 May 2026 14:12:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779372769; cv=none; b=EW6twEplMnvqXeMYbqXuud5Va7c2CkfzDOViS1p3XHzrh/Wq6rhvHLhlUYRmQMxPJ7hM1GOS0NqI4jlIl5LfKJxfFu9MxH6pgoJrECc/7IhnPJCIwIk1NlEnF9jZGL15WGchMVDMHnDU7LGz1tCIBjo4QGT760BUlF8b3l+IETQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779372769; c=relaxed/simple; bh=NQEoAh5bDKJKSYpLsVWdhrI9W/7GDxBWah5OmP9M8UI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=IZeRe8TJZy8E873rXRxPCoUUZVPG6fJLXbJvTzUwKgkBD0adprJ8X0MYXq7OZIDf1/SEmmKfklCdEW9sNDNJ0qSZOxm7N141NEupOk/bpSV04RT9DNNHiIt/4wkH6k28EDJxEhz9ABPPk+6cq7WK+mWjoZd5gHZc8Sr5arhuA4o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=C9YefkF7; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="C9YefkF7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D00481F000E9; Thu, 21 May 2026 14:12:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779372768; bh=u+Qs5jTgdFX08/ZfXI2WSu51gzdaUqkJN/r0v3qZgvI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=C9YefkF7grgqgf/3LRJ7QH7DW7QaZ6/HI92/hnEDJkco0rfpsO/2jLZklNZDH/TKW NexIZFKnjuCZe8+KFpYvWXDVM77LdbXMq0G7fuS2kkRGuTwL3f65R0BPQhQm4w5x4l IulLHFIUaGma7ur1j18jloyJW3B4Jnf4dLyQIVtcWPunZgfPZgiM0XxYZ+b4005jc1 MRhkTMnwUAR1kTmTimF15guAL/4XrVkgLogX1th+CHrDnnbsbalCMfGUIMI5R/grG8 pXrZ68Sijf3q0fg7/MSAMo6E+DiNDFp/OIYPi4JFugePv5HhhqrD8GYo7L1sHxKLTh g+2F3uARtMqnw== From: "Rafael J. Wysocki" To: Linux ACPI Cc: LKML , Andy Shevchenko , Hans de Goede , Armin Wolf , Dan Williams , Vishal Verma , Dave Jiang , Ira Weiny , nvdimm@lists.linux.dev Subject: [PATCH v1 02/17] ACPI: NFIT: core: Use devm_acpi_install_notify_handler() Date: Thu, 21 May 2026 16:01:16 +0200 Message-ID: <3048737.e9J7NaK4W3@rafael.j.wysocki> Organization: Linux Kernel Development In-Reply-To: <4739447.LvFx2qVVIh@rafael.j.wysocki> References: <4739447.LvFx2qVVIh@rafael.j.wysocki> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: "Rafael J. Wysocki" Now that devm_acpi_install_notify_handler() is available, use it in acpi_nfit_probe() instead of a custom devm action removing an ACPI notify handler installed via acpi_dev_install_notify_handler(). Also drop the explicit ACPI_COMPANION() check against NULL that is not necessary any more becuase devm_acpi_install_notify_handler() carries out an equivalent check internally and use ACPI_HANDLE() to retrieve the platform device's ACPI handle. No intentional functional impact. Signed-off-by: Rafael J. Wysocki --- drivers/acpi/nfit/core.c | 24 +++--------------------- 1 file changed, 3 insertions(+), 21 deletions(-) diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 9304ac996d41..5cab62f618c8 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -3298,14 +3298,6 @@ static void acpi_nfit_notify(acpi_handle handle, u32= event, void *data) device_unlock(dev); } =20 -static void acpi_nfit_remove_notify_handler(void *data) -{ - struct acpi_device *adev =3D data; - - acpi_dev_remove_notify_handler(adev, ACPI_DEVICE_NOTIFY, - acpi_nfit_notify); -} - void acpi_nfit_shutdown(void *data) { struct acpi_nfit_desc *acpi_desc =3D data; @@ -3342,22 +3334,12 @@ static int acpi_nfit_probe(struct platform_device *= pdev) struct acpi_nfit_desc *acpi_desc; struct device *dev =3D &pdev->dev; struct acpi_table_header *tbl; - struct acpi_device *adev; acpi_status status =3D AE_OK; acpi_size sz; int rc =3D 0; =20 - adev =3D ACPI_COMPANION(&pdev->dev); - if (!adev) - return -ENODEV; - - rc =3D acpi_dev_install_notify_handler(adev, ACPI_DEVICE_NOTIFY, - acpi_nfit_notify, dev); - if (rc) - return rc; - - rc =3D devm_add_action_or_reset(dev, acpi_nfit_remove_notify_handler, - adev); + rc =3D devm_acpi_install_notify_handler(dev, ACPI_DEVICE_NOTIFY, + acpi_nfit_notify, dev); if (rc) return rc; =20 @@ -3388,7 +3370,7 @@ static int acpi_nfit_probe(struct platform_device *pd= ev) acpi_desc->acpi_header =3D *tbl; =20 /* Evaluate _FIT and override with that if present */ - status =3D acpi_evaluate_object(adev->handle, "_FIT", NULL, &buf); + status =3D acpi_evaluate_object(ACPI_HANDLE(dev), "_FIT", NULL, &buf); if (ACPI_SUCCESS(status) && buf.length > 0) { union acpi_object *obj =3D buf.pointer; =20 --=20 2.51.0