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([140.116.96.205]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2f7e45f7263sm6366343a91.2.2025.01.26.08.31.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 26 Jan 2025 08:31:21 -0800 (PST) From: Yu-Chun Lin To: gregkh@linuxfoundation.org, jirislaby@kernel.org Cc: linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, jserv@ccns.ncku.edu.tw, visitorckw@gmail.com, Yu-Chun Lin , kernel test robot Subject: [PATCH] serial: pic32: Fix build warning when CONFIG_OF is disabled Date: Mon, 27 Jan 2025 00:31:15 +0800 Message-ID: <20250126163115.3200308-1-eleanor15x@gmail.com> X-Mailer: git-send-email 2.43.0 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" As reported by the kernel test robot, the following warning occurs: >> drivers/tty/serial/pic32_uart.c:904:34: warning: 'pic32_serial_dt_ids' d= efined but not used [-Wunused-const-variable=3D] 904 | static const struct of_device_id pic32_serial_dt_ids[] =3D { | ^~~~~~~~~~~~~~~~~~~ The 'pic32_serial_dt_ids' array is only used when CONFIG_OF is enabled. Wrapping its definition and 'MODULE_DEVICE_TABLE' in '#ifdef CONFIG_OF' prevents a compiler warning when OF is disabled. Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202501260006.ecUsBidz-lkp@int= el.com/ Signed-off-by: Yu-Chun Lin --- drivers/tty/serial/pic32_uart.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/tty/serial/pic32_uart.c b/drivers/tty/serial/pic32_uar= t.c index 14d50bd7f1bd..a228a55102c6 100644 --- a/drivers/tty/serial/pic32_uart.c +++ b/drivers/tty/serial/pic32_uart.c @@ -948,11 +948,13 @@ static void pic32_uart_remove(struct platform_device = *pdev) pic32_sports[sport->idx] =3D NULL; } =20 +#ifdef CONFIG_OF static const struct of_device_id pic32_serial_dt_ids[] =3D { { .compatible =3D "microchip,pic32mzda-uart" }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, pic32_serial_dt_ids); +#endif =20 static struct platform_driver pic32_uart_platform_driver =3D { .probe =3D pic32_uart_probe, --=20 2.43.0