linux-kernel - Re: [PATCH] arm64: dts: rockchip: rk3328: Fix UART pull-ups

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Date:   Fri,  4 Dec 2020 12:01:55 +0100
From:   Heiko Stuebner <heiko@...ech.de>
To:     Rob Herring <robh+dt@...nel.org>, Chen-Yu Tsai <wens@...nel.org>
Cc:     Heiko Stuebner <heiko@...ech.de>,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        Chen-Yu Tsai <wens@...e.org>
Subject: Re: [PATCH] arm64: dts: rockchip: rk3328: Fix UART pull-ups

On Fri, 4 Dec 2020 14:48:05 +0800, Chen-Yu Tsai wrote:
> For UARTs, the local pull-ups should be on the RX pin, not the TX pin.
> UARTs transmit active-low, so a disconnected RX pin should be pulled
> high instead of left floating to prevent noise being interpreted as
> transmissions.
> 
> This gets rid of bogus sysrq events when the UART console is not
> connected.

Applied, thanks!

[1/1] arm64: dts: rockchip: rk3328: Fix UART pull-ups
      commit: 94dad6bed3c86c00050bf7c2b2ad6b630facae31

Best regards,
-- 
Heiko Stuebner <heiko@...ech.de>