linux-kernel - Re: [PATCH] watchdog: it87

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Date:   Thu, 15 Dec 2016 19:45:02 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     "Maciej S. Szmigiero" <mail@...iej.szmigiero.name>,
        Wim Van Sebroeck <wim@...ana.be>
Cc:     linux-watchdog@...r.kernel.org,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] watchdog: it87_wdt: add IT8620E ID

On 12/15/2016 02:52 PM, Maciej S. Szmigiero wrote:
> This adds IT8620E chip ID to it87_wdt driver.
> Such chip is often found on current Gigabyte motherboards, it is allegedly
> custom made for this manufacturer.
>
> Upon testing it looks like it has a 16-bit timer and cannot be reset via
> game port (only via CIR), so it is similar to IT87{18,20,21,28,83} chips.
>
> Tested on GA-F2A88XM-HD3P board.
>
> Signed-off-by: Maciej S. Szmigiero <mail@...iej.szmigiero.name>

Reviewed-by: Guenter Roeck <linux@...ck-us.net>

> ---
>  drivers/watchdog/Kconfig    | 4 ++--
>  drivers/watchdog/it87_wdt.c | 4 +++-
>  2 files changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
> index f1de1214f10f..acb00b53a520 100644
> --- a/drivers/watchdog/Kconfig
> +++ b/drivers/watchdog/Kconfig
> @@ -1008,8 +1008,8 @@ config IT87_WDT
>  	tristate "IT87 Watchdog Timer"
>  	depends on X86
>  	---help---
> -	  This is the driver for the hardware watchdog on the ITE IT8702,
> -	  IT8712, IT8716, IT8718, IT8720, IT8721, IT8726 and IT8728
> +	  This is the driver for the hardware watchdog on the ITE IT8620,
> +	  IT8702, IT8712, IT8716, IT8718, IT8720, IT8721, IT8726 and IT8728
>  	  Super I/O chips.
>
>  	  If the driver does not work, then make sure that the game port in
> diff --git a/drivers/watchdog/it87_wdt.c b/drivers/watchdog/it87_wdt.c
> index e54839b12650..b9878c41598f 100644
> --- a/drivers/watchdog/it87_wdt.c
> +++ b/drivers/watchdog/it87_wdt.c
> @@ -12,7 +12,7 @@
>   *		    http://www.ite.com.tw/
>   *
>   *	Support of the watchdog timers, which are available on
> - *	IT8702, IT8712, IT8716, IT8718, IT8720, IT8721, IT8726,
> + *	IT8620, IT8702, IT8712, IT8716, IT8718, IT8720, IT8721, IT8726,
>   *	IT8728 and IT8783.
>   *
>   *	This program is free software; you can redistribute it and/or
> @@ -78,6 +78,7 @@
>
>  /* Chip Id numbers */
>  #define NO_DEV_ID	0xffff
> +#define IT8620_ID	0x8620
>  #define IT8702_ID	0x8702
>  #define IT8705_ID	0x8705
>  #define IT8712_ID	0x8712
> @@ -630,6 +631,7 @@ static int __init it87_wdt_init(void)
>  	case IT8726_ID:
>  		max_units = 65535;
>  		break;
> +	case IT8620_ID:
>  	case IT8718_ID:
>  	case IT8720_ID:
>  	case IT8721_ID:
> --
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