[PATCH 3/5] realtek: backport Realtek Otto WDT driver

[Sander Vanheule]

On Thu, 2021-11-04 at 15:55 +0100, Sander Vanheule wrote:
> Add patch submitted upstream to linux-watchdog and replace the MIPS
> architecture symbols. Requires one extra patch for the DIV_ROUND_*
> macros, which have moved to a different header since 5.10.
> 
> Also refresh the kernel config to enable the new driver.
> 
> Signed-off-by: Sander Vanheule <sander at svanheule.net>
> ---
[...]

> diff --git a/target/linux/realtek/config-5.10 b/target/linux/realtek/config-5.10
> index 2c5ab1706a2c..00f2a6af13ba 100644
> --- a/target/linux/realtek/config-5.10
> +++ b/target/linux/realtek/config-5.10
> @@ -160,6 +160,7 @@ CONFIG_PINCTRL=y
>  CONFIG_POWER_RESET=y
>  CONFIG_POWER_RESET_SYSCON=y
>  CONFIG_RATIONAL=y
> +CONFIG_REALTEK_OTTO_WDT=y
>  CONFIG_REALTEK_PHY=y
>  CONFIG_REALTEK_SOC_PHY=y
>  CONFIG_REGMAP=y
> @@ -190,5 +191,6 @@ CONFIG_TIMER_PROBE=y
>  CONFIG_TINY_SRCU=y
>  CONFIG_USE_GENERIC_EARLY_PRINTK_8250=y
>  CONFIG_USE_OF=y
> +CONFIG_WATCHDOG_CORE=y
>  CONFIG_ZLIB_DEFLATE=y
>  CONFIG_ZLIB_INFLATE=y

This bit should probably go into the next patch that enables the WDT. I'll update
this in a respin, but I'll first wait for some other comments.

Best,
Sander