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Tue, 03 Mar 2026 03:14:40 -0800 (PST) From: Francesco Lavra To: Greg Kroah-Hartman , Jiri Slaby , Randy Dunlap , Geert Uytterhoeven , Zong Jiang , Thierry Bultel , Raphael Gallais-Pou , Robert Marko , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, linux-tegra@vger.kernel.org Cc: Andy Shevchenko Subject: [PATCH v2] serial: tegra: remove Kconfig dependency on APB DMA controller Date: Tue, 3 Mar 2026 12:14:38 +0100 Message-Id: <20260303111438.2691799-1-flavra@baylibre.com> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1461; i=flavra@baylibre.com; h=from:subject; bh=lG/DZ3WywMxkW718njBWn7clqicbwq5XJkykLBVrlxU=; b=owEB7QES/pANAwAKAe3xO3POlDZfAcsmYgBppsIidjpJYctRWN5hOyNxVnAxdEa0f5jD7q4mR uzU4wLOdImJAbMEAAEKAB0WIQSGV4VPlTvcox7DFObt8TtzzpQ2XwUCaabCIgAKCRDt8TtzzpQ2 X4ATC/96p9lCQmb44HSR3w9JqD1EHcLByEZFcPkoExD7sDGiieEB+CH535JniKYxqREOVQlfv+S 5cIEBoK7p9IHqCh8NVX0vQjY99JaZ3a1YF60RDWD6z58CGAVUoCMXjx+LOeRF+c+QZIQDUnXYtE u+rHOzXPY1Z7GYJdE3vxvtCX0SjTv9gUT3zCtXsfucHPRP+TfsSbhEw/Vr3w3wtphsN7qBVEjma 6wkdMlBsClq3NO1segO6rKiSI4xmWGSQ2DCy2Oe4BFrXGcAK0rg770YU8BHvJUEHv/90PmGbc98 czYGo2A5+7zBFle4NH6neAU4QIdc8iVq8F0A6qghEz7c1QzWXSOj62qNKsu2Bf1wiW1qwH0wLVy XU4FYby8xqDFPw75Q3mnUnZLTGCiufFaXeIH/c/BFpw5CgZPswsKMQ0+p4UGsb9G6XG4EAQXGK2 y/HW62d9bRQ9ejp5M3OQSkCaBq3yBNesNEfQo6It1WX2KrmsDxlZoL1L7f2W2twqskBGU= X-Developer-Key: i=flavra@baylibre.com; a=openpgp; fpr=8657854F953BDCA31EC314E6EDF13B73CE94365F Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This driver runs also on SoCs without a Tegra20 APB DMA controller (e.g. Tegra234). Remove the Kconfig dependency on TEGRA20_APB_DMA, and remove reference to the APB DMA controller from the Kconfig help text. Signed-off-by: Francesco Lavra Reviewed-by: Andy Shevchenko --- Changes from v1 [1]: - added Andy's Reviewed-by tag - removed Fixes tag (Jon) [1] https://lore.kernel.org/linux-serial/20251126090759.4042709-1-flavra@ba= ylibre.com/T/ drivers/tty/serial/Kconfig | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index f86775cfdcc9..8500b1eed5b5 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -255,14 +255,13 @@ config SERIAL_SAMSUNG_CONSOLE =20 config SERIAL_TEGRA tristate "NVIDIA Tegra20/30 SoC serial controller" - depends on (ARCH_TEGRA && TEGRA20_APB_DMA) || COMPILE_TEST + depends on ARCH_TEGRA || COMPILE_TEST select SERIAL_CORE help Support for the on-chip UARTs on the NVIDIA Tegra series SOCs providing /dev/ttyTHS0, 1, 2, 3 and 4 (note, some machines may not provide all of these ports, depending on how the serial port - are enabled). This driver uses the APB DMA to achieve higher baudrate - and better performance. + are enabled). =20 config SERIAL_TEGRA_TCU tristate "NVIDIA Tegra Combined UART" --=20 2.39.5