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