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Mon, 17 Nov 2025 18:48:24 -0800 (PST) Received: from localhost ([2605:a601:81da:7100:264b:feff:fe59:d7f7]) by smtp.gmail.com with UTF8SMTPSA id 5614622812f47-450aadd23ffsm2501610b6e.0.2025.11.17.18.48.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Nov 2025 18:48:23 -0800 (PST) From: Sam Protsenko To: Krzysztof Kozlowski Cc: Greg Kroah-Hartman , Jiri Slaby , Alim Akhtar , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH] tty: serial: samsung: Declare earlycon for Exynos850 Date: Mon, 17 Nov 2025 20:48:22 -0600 Message-ID: <20251118024822.28148-1-semen.protsenko@linaro.org> X-Mailer: git-send-email 2.47.3 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" It makes it possible to use just "earlycon" param in kernel cmdline on Exynos850 based boards instead of "earlycon=3Dexynos4210,0x13820000", 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 --- 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-u= art", 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); =20 static int __init gs101_early_console_setup(struct earlycon_device *device, const char *opt) base-commit: e7c375b181600caf135cfd03eadbc45eb530f2cb --=20 2.47.3