[PATCH] tty: serial: samsung: Declare earlycon for Exynos850
From: Sam Protsenko <semen.protsenko@linaro.org>
Date: 2025-11-18 02:48:24
Also in:
linux-samsung-soc, linux-serial, lkml
Subsystem:
arm/samsung s3c, s5p and exynos arm architectures, the rest, tty layer and serial drivers · Maintainers:
Krzysztof Kozlowski, Peter Griffin, Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
It makes it possible to use just "earlycon" param in kernel cmdline
on Exynos850 based boards instead of "earlycon=exynos4210,0x13820000",
as described in [1]:
When used with no options, the early console is determined by
stdout-path property in device tree's chosen node
[1] Documentation/admin-guide/kernel-parameters.txt
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
---
drivers/tty/serial/samsung_tty.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 2fb58c626daf..c1fabad6ba1f 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c@@ -2830,6 +2830,8 @@ OF_EARLYCON_DECLARE(exynos4210, "samsung,exynos4210-uart", s5pv210_early_console_setup); OF_EARLYCON_DECLARE(artpec8, "axis,artpec8-uart", s5pv210_early_console_setup); +OF_EARLYCON_DECLARE(exynos850, "samsung,exynos850-uart", + s5pv210_early_console_setup); static int __init gs101_early_console_setup(struct earlycon_device *device, const char *opt)
base-commit: e7c375b181600caf135cfd03eadbc45eb530f2cb -- 2.47.3