Linux Serial subsystem development
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From: Jiri Slaby <jirislaby@kernel.org>
To: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] serial: 8250_pericom: Use UART_LCR_DLAB
Date: Mon, 13 Jun 2022 10:28:55 +0200	[thread overview]
Message-ID: <e722f97b-cb18-2d8c-b3f1-38eca21f6a3f@kernel.org> (raw)
In-Reply-To: <20220613075736.12283-2-ilpo.jarvinen@linux.intel.com>

On 13. 06. 22, 9:57, Ilpo Järvinen wrote:
> Use UART_LCR_DLAB instead of literal.
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

Reviewed-by: Jiri Slaby <jirislaby@kernel.org>

> ---
>   drivers/tty/serial/8250/8250_pericom.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/tty/serial/8250/8250_pericom.c b/drivers/tty/serial/8250/8250_pericom.c
> index 95ff10f25d58..b8d5b7714a9d 100644
> --- a/drivers/tty/serial/8250/8250_pericom.c
> +++ b/drivers/tty/serial/8250/8250_pericom.c
> @@ -73,7 +73,7 @@ static void pericom_do_set_divisor(struct uart_port *port, unsigned int baud,
>   			struct uart_8250_port *up = up_to_u8250p(port);
>   			int lcr = serial_port_in(port, UART_LCR);
>   
> -			serial_port_out(port, UART_LCR, lcr | 0x80);
> +			serial_port_out(port, UART_LCR, lcr | UART_LCR_DLAB);
>   			serial_dl_write(up, divisor);
>   			serial_port_out(port, 2, 16 - scr);
>   			serial_port_out(port, UART_LCR, lcr);


-- 
js
suse labs

  reply	other threads:[~2022-06-13  8:29 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-13  7:57 [PATCH 1/2] serial: 8250: Use UART_LCR_WLEN8 instead of literal Ilpo Järvinen
2022-06-13  7:57 ` [PATCH 2/2] serial: 8250_pericom: Use UART_LCR_DLAB Ilpo Järvinen
2022-06-13  8:28   ` Jiri Slaby [this message]
2022-06-13  8:28 ` [PATCH 1/2] serial: 8250: Use UART_LCR_WLEN8 instead of literal Jiri Slaby

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