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Message-ID: <379d43bd-d5eb-4877-8781-888c82821bb8@kernel.org>
Date: Fri, 19 Apr 2024 08:07:50 +0200
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Subject: Re: [PATCH v1 4/4] serial: exar: change port_type ternary line
 wrapping
To: Parker Newman <parker@finest.io>,
 Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
 linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org
Cc: Parker Newman <pnewman@connecttech.com>,
 =?UTF-8?Q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>
References: <cover.1713452766.git.pnewman@connecttech.com>
 <0081b6a7bbe1ad6ce114132f9ee86677a761de6d.1713452766.git.pnewman@connecttech.com>
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From: Jiri Slaby <jirislaby@kernel.org>
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In-Reply-To: <0081b6a7bbe1ad6ce114132f9ee86677a761de6d.1713452766.git.pnewman@connecttech.com>
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On 18. 04. 24, 17:36, Parker Newman wrote:
> From: Parker Newman <pnewman@connecttech.com>
> 
> Change line wrapping of ternary operators in
> cti_get_port_type_xr17c15x_xr17v25x() for better readability.
> 
> Old example:
> 
> 	port_type = port_num == 0 ?
> 			CTI_PORT_TYPE_RS232 : CTI_PORT_TYPE_RS422_485;
> 
> New:
> 	port_type = port_num == 0 ? CTI_PORT_TYPE_RS232 :
> 				CTI_PORT_TYPE_RS422_485;

This is worse IMO. Ilpo suggested a bit different alignment. But still...

> Based on feedback from:
> Link: https://lore.kernel.org/linux-serial/f2353b8c-2079-b895-2707-f6be83161288@linux.intel.com

You should have CCed the author.

> Signed-off-by: Parker Newman <pnewman@connecttech.com>
> ---
>   drivers/tty/serial/8250/8250_exar.c | 20 ++++++++++----------
>   1 file changed, 10 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
> index 10725ad0f3ef..a76b4e5bab4e 100644
> --- a/drivers/tty/serial/8250/8250_exar.c
> +++ b/drivers/tty/serial/8250/8250_exar.c
> @@ -741,19 +741,19 @@ static enum cti_port_type cti_get_port_type_xr17c15x_xr17v25x(struct exar8250 *p
>   		break;
>   	// 1x RS232, 1x RS422/RS485
>   	case PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_1_1:
> -		port_type = port_num == 0 ?
> -			CTI_PORT_TYPE_RS232 : CTI_PORT_TYPE_RS422_485;
> +		port_type = port_num == 0 ? CTI_PORT_TYPE_RS232 :
> +					CTI_PORT_TYPE_RS422_485;


Well, could you initialize port_type = CTI_PORT_TYPE_RS232? And here do 
only:
if (port_num > 0)
     return CTI_PORT_TYPE_RS422_485;
?


>   		break;
>   	// 2x RS232, 2x RS422/RS485
>   	case PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_2_2:
> -		port_type = port_num < 2 ?
> -			CTI_PORT_TYPE_RS232 : CTI_PORT_TYPE_RS422_485;
> +		port_type = port_num < 2 ? CTI_PORT_TYPE_RS232 :
> +					CTI_PORT_TYPE_RS422_485;

And so on.

>   		break;
>   	// 4x RS232, 4x RS422/RS485
>   	case PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_4_4:
>   	case PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_4_4_SP:
> -		port_type = port_num < 4 ?
> -			CTI_PORT_TYPE_RS232 : CTI_PORT_TYPE_RS422_485;
> +		port_type = port_num < 4 ? CTI_PORT_TYPE_RS232 :
> +					CTI_PORT_TYPE_RS422_485;
>   		break;
>   	// RS232/RS422/RS485 HW (jumper) selectable
>   	case PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_2:
> @@ -789,13 +789,13 @@ static enum cti_port_type cti_get_port_type_xr17c15x_xr17v25x(struct exar8250 *p
>   		break;
>   	// 6x RS232, 2x RS422/RS485
>   	case PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_6_2_SP:
> -		port_type = port_num < 6 ?
> -			CTI_PORT_TYPE_RS232 : CTI_PORT_TYPE_RS422_485;
> +		port_type = port_num < 6 ? CTI_PORT_TYPE_RS232 :
> +					CTI_PORT_TYPE_RS422_485;
>   		break;
>   	// 2x RS232, 6x RS422/RS485
>   	case PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_2_6_SP:
> -		port_type = port_num < 2 ?
> -			CTI_PORT_TYPE_RS232 : CTI_PORT_TYPE_RS422_485;
> +		port_type = port_num < 2 ? CTI_PORT_TYPE_RS232 :
> +					CTI_PORT_TYPE_RS422_485;
>   		break;
>   	default:
>   		dev_err(&pcidev->dev, "unknown/unsupported device\n");
> --
> 2.43.2
> 

-- 
js
suse labs