linux-kernel - Re: [PATCH] Revert "tty: serial: pl011: add ttyAMA for matching pl011 console"

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Date:   Wed, 1 Mar 2017 12:59:41 +0000
From:   Robin Murphy <robin.murphy@....com>
To:     Aleksey Makarov <aleksey.makarov@...aro.org>,
        linux-serial@...r.kernel.org
Cc:     Peter Hurley <peter@...leysoftware.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>, linux-kernel@...r.kernel.org,
        Russell King <linux@...linux.org.uk>,
        Sudeep Holla <sudeep.holla@....com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] Revert "tty: serial: pl011: add ttyAMA for matching pl011
 console"

On 01/03/17 12:26, Aleksey Makarov wrote:
> The original patch makes condition always true, so it is wrong.
> 
> This reverts commit aea9a80ba98a0c9b4de88850260e9fbdcc98360b.

It seems fairly clear that the intent of the code merely warrants
s/||/&&/ - wouldn't it be more straightforward to just fix that?

Robin.

> ---
>  drivers/tty/serial/amba-pl011.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
> index 8789ea423ccf..56f92d7348bf 100644
> --- a/drivers/tty/serial/amba-pl011.c
> +++ b/drivers/tty/serial/amba-pl011.c
> @@ -2373,7 +2373,7 @@ static int __init pl011_console_match(struct console *co, char *name, int idx,
>  	if (strcmp(name, "qdf2400_e44") == 0) {
>  		pr_info_once("UART: Working around QDF2400 SoC erratum 44");
>  		qdf2400_e44_present = true;
> -	} else if (strcmp(name, "pl011") != 0 || strcmp(name, "ttyAMA") != 0) {
> +	} else if (strcmp(name, "pl011") != 0) {
>  		return -ENODEV;
>  	}
>  
>