linux-kernel - Re: [PATCH v2 1/3] serial: 8250_fintek: Finish support for the F81865

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Message-ID: <YjR6yfjUmHahbIym@kroah.com>
Date:   Fri, 18 Mar 2022 13:27:53 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Trevor Woerner <twoerner@...il.com>
Cc:     linux-kernel@...r.kernel.org, Jiri Slaby <jirislaby@...nel.org>,
        linux-serial@...r.kernel.org
Subject: Re: [PATCH v2 1/3] serial: 8250_fintek: Finish support for the F81865

On Mon, Mar 14, 2022 at 08:18:56AM -0400, Trevor Woerner wrote:
> This driver only partially supports the F81865 device. The UART portions of
> this SuperIO chip behave very similarly to the UART of the F81866, except
> that the F81866 has 128-byte FIFOs whereas the F81865 has 16-byte FIFOs,
> and the IRQ configuration is different. Therefore fill out the support for
> the F81865 in the places where it is missing.
> 
> Tested at 1500000 baud on the iEi NANO-PV-D5251-R10 board.
> 
> Signed-off-by: Trevor Woerner <twoerner@...il.com>
> ---
>  drivers/tty/serial/8250/8250_fintek.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/tty/serial/8250/8250_fintek.c b/drivers/tty/serial/8250/8250_fintek.c
> index 251f0018ae8c..47b15d2d9901 100644
> --- a/drivers/tty/serial/8250/8250_fintek.c
> +++ b/drivers/tty/serial/8250/8250_fintek.c
> @@ -63,7 +63,12 @@
>  #define F81216_LDN_HIGH	0x4
>  
>  /*
> - * F81866/966 registers
> + * F81866/865/966 registers
> + *
> + * The UART portion of the F81865 functions very similarly to the UART
> + * portion of the F81866, so there's no need to duplicate all the #defines
> + * etc. The only differences are: the F81866 has 128-byte FIFOs whereas the
> + * F81865 has 16-byte FIFOs, and the IRQ configuration is different.
>   *
>   * The IRQ setting mode of F81866/966 is not the same with F81216 series.
>   *	Level/Low: IRQ_MODE0:0, IRQ_MODE1:0
> @@ -316,6 +321,7 @@ static void fintek_8250_set_termios(struct uart_port *port,
>  		break;
>  	case CHIP_ID_F81966:
>  	case CHIP_ID_F81866:
> +	case CHIP_ID_F81865:
>  		reg = F81866_UART_CLK;
>  		break;
>  	default:
> @@ -363,6 +369,7 @@ static void fintek_8250_set_termios_handler(struct uart_8250_port *uart)
>  	case CHIP_ID_F81216H:
>  	case CHIP_ID_F81966:
>  	case CHIP_ID_F81866:
> +	case CHIP_ID_F81865:
>  		uart->port.set_termios = fintek_8250_set_termios;
>  		break;
>  
> -- 
> 2.35.1.455.g1a4874565f
> 

Please resend the whole series, not just one patch out of the lot.  Also
can you correctly "thread" them?  Using a tool like git send-email it
happens automatically.  That way our tools can pick them up properly.

thanks,

greg k-h