linux-kernel - [PATCH v3 2/2] earlycon: Increase options size

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Date:   Thu, 24 Nov 2022 13:39:08 +0100
From:   Ricardo Ribalda <ribalda@...omium.org>
To:     Jonathan Corbet <corbet@....net>,
        Jiri Slaby <jirislaby@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-doc@...r.kernel.org, Ricardo Ribalda <ribalda@...omium.org>,
        linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org
Subject: [PATCH v3 2/2] earlycon: Increase options size

Now that the clock frequency is also part of the options, 16 bytes is
too little.

Without this patch dmesg does not show the whole options, Eg:

earlycon: uart0 at MMIO32 0x00000000fedc9000 (options '115200n8,480000')

instead of: '115200n8,48000000'

Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>

diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index d657f2a42a7b..f555927195da 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -701,7 +701,7 @@ static inline int uart_poll_timeout(struct uart_port *port)
 struct earlycon_device {
 	struct console *con;
 	struct uart_port port;
-	char options[16];		/* e.g., 115200n8 */
+	char options[32];		/* e.g., 115200n8 */
 	unsigned int baud;
 };
 

-- 
b4 0.11.0-dev-d93f8