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From: Francesco Lavra <flavra@baylibre.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jirislaby@kernel.org>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Kartik Rajput <kkartik@nvidia.com>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Robert Marko <robert.marko@sartura.hr>,
	Thierry Bultel <thierry.bultel.yh@bp.renesas.com>,
	Douglas Anderson <dianders@chromium.org>,
	linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org
Subject: [PATCH] serial: tegra: remove Kconfig dependency on APB DMA controller
Date: Wed, 26 Nov 2025 10:07:59 +0100	[thread overview]
Message-ID: <20251126090759.4042709-1-flavra@baylibre.com> (raw)

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.

Fixes: 60d2016a5161 ("arm64: tegra: Add Tegra234 GPCDMA device tree node")
Signed-off-by: Francesco Lavra <flavra@baylibre.com>
---
 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 44427415a80d..6212a814fdb7 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -255,14 +255,13 @@ config SERIAL_SAMSUNG_CONSOLE
 
 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).
 
 config SERIAL_TEGRA_TCU
 	tristate "NVIDIA Tegra Combined UART"
-- 
2.39.5


             reply	other threads:[~2025-11-26  9:08 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-26  9:07 Francesco Lavra [this message]
2025-11-26 11:20 ` [PATCH] serial: tegra: remove Kconfig dependency on APB DMA controller Andy Shevchenko
2025-11-26 12:08   ` Francesco Lavra
2025-11-26 16:25     ` Andy Shevchenko
2025-11-26 16:45       ` Francesco Lavra
2025-11-26 17:44         ` Andy Shevchenko
2026-02-25 11:35 ` Francesco Lavra
2026-03-12 13:43   ` Greg Kroah-Hartman
2026-03-13  7:56     ` Francesco Lavra
2026-02-26 10:04 ` Jon Hunter

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