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Fri, 25 Sep 2026 14:10:46 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ThreadId: A0ku1qeKkgxR Date: Fri, 25 Sep 2026 20:10:26 +0200 From: "Arnd Bergmann" To: "Vijendar Mukunda" , "Mario Limonciello" , "Arnd Bergmann" , "Liam Girdwood" , "Peter Ujfalusi" , "Bard Liao" , "Daniel Baluta" , "Mark Brown" , "Jaroslav Kysela" , "Takashi Iwai" Cc: "Kai Vehmanen" , "Pierre-Louis Bossart" , sound-open-firmware@alsa-project.org, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, "Rafael J . Wysocki" Message-Id: In-Reply-To: References: <20260925131104.118993-1-arnd@kernel.org> <9f8e5988-ca08-44a6-b047-f5aaa133da41@amd.com> Subject: Re: [PATCH] ASoC: SOF: amd: fix building without CONFIG_ACPI Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On Fri, Sep 25, 2026, at 18:37, Mukunda,Vijendar wrote: > On 9/25/26 19:02, Mario Limonciello wrote: >> On 9/25/26 08:10, Arnd Bergmann wrote: >>> From: Arnd Bergmann >>> >>> When ACPI is disabled, this driver runs into a build failure: >>> >>> sound/soc/sof/amd/acp.c:1374:13: error: call to undeclared function=20 >>> 'acpi_find_child_device'; ISO C99 and later do not support implicit=20 >>> function declarations [-Wimplicit-function-declaration] >>> =C2=A0 1374 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 pdm_dev =3D acpi_find_child_devi= ce(adev,=20 >>> ACP7X_DMIC_ADDR, 0); >>> > Hi Arnd, > > Thanks for catching and fixing this issue. > As the author of the original patch, I didn't receive the > original bug report. Was it sent to a limited recipient set, > or could there have been a mailing list delivery issue? No idea, my report is in the archive, and I assume that is how Mario saw it: https://lore.kernel.org/linux-sound/20260925131104.118993-1-arnd@kernel.= org/ I only ran into the problem on today's linux-next during randconfig testing. Arnd