Re: [PATCH 4/4] arm64: rk3399: r4s: disabled i2c4 bus during the system boot process

Kever Yang
2021-08-11T10:10:21Z

Hi Xiaobo,
This dts may also used by the kernel on some of the linux distro,
so if there is no other impact, I would suggest not to disable.

Thanks,
- Kever

Xiaobo Tian <peterwillcn@gmail.com> 于2021年7月6日周二 下午10:44写道：
>
> Data transmission on the I2C4 bus is not required during the system boot process,
> so it is disabled
>
> Signed-off-by: Xiaobo Tian <peterwillcn@gmail.com>
> ---
> arch/arm/dts/rk3399-nanopi-r4s.dts | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm/dts/rk3399-nanopi-r4s.dts b/arch/arm/dts/rk3399-nanopi-r4s.dts
> index 042c73ca17..e5f57dd51a 100644
> --- a/arch/arm/dts/rk3399-nanopi-r4s.dts
> +++ b/arch/arm/dts/rk3399-nanopi-r4s.dts
> @@ -69,6 +69,10 @@
> status = "disabled";
> };
>
> +&i2c4 {
> + status = "disabled";
> +};
> +
> &leds {
> lan_led: led-1 {
> gpios = <&gpio1 RK_PA1 GPIO_ACTIVE_HIGH>;
> --
> 2.32.0
>