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

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Message-ID: <df281b81-ba6c-4ca8-3da6-135d4ae09861@kernel.org>
Date:   Tue, 6 Dec 2022 07:53:00 +0100
From:   Jiri Slaby <jirislaby@...nel.org>
To:     Ricardo Ribalda <ribalda@...omium.org>,
        Jonathan Corbet <corbet@....net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-serial@...r.kernel.org
Subject: Re: [PATCH v3 2/2] earlycon: Increase options size

On 24. 11. 22, 13:39, Ricardo Ribalda wrote:
> 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>

Reviewed-by: Jiri Slaby <jirislaby@...nel.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;
>   };
>   
> 

-- 
js
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