linux-kernel - Re: [PATCH v2 3/3] arm64: dts: qcom: x1e80100: add soundwire controller resets

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Message-ID: <7466d857-5ed0-433b-bf3d-525b40939b78@kernel.org>
Date: Mon, 24 Jun 2024 16:40:15 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
 Bjorn Andersson <andersson@...nel.org>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd
 <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/3] arm64: dts: qcom: x1e80100: add soundwire
 controller resets

On 24/06/2024 15:32, Srinivas Kandagatla wrote:
> Soundwire controllers (WSA, WSA2, RX, TX) require reset lines to enable
> switching clock control from hardware to software.
> 
> Add them along with the reset control providers.
> 
> Without this reset we might hit fifo under/over run when we try to write to
> soundwire device registers.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof