linux-kernel - Re: [PATCH v2 5/5] soc: qcom: llcc: Add regmap for Broadcast

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Message-ID: <221f6e6e-0399-4b2e-8fcd-9af40b1b6f03@linaro.org>
Date: Tue, 6 Feb 2024 09:40:25 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Unnathi Chalicheemala <quic_uchalich@...cinc.com>,
 Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, kernel@...cinc.com
Subject: Re: [PATCH v2 5/5] soc: qcom: llcc: Add regmap for Broadcast_AND
 region

On 06/02/2024 08:15, Unnathi Chalicheemala wrote:
> Define new regmap structure for Broadcast_AND region and initialize
> regmap for Broadcast_AND region when HW block version
> is greater than 4.1 for backwards compatibility.
> 
> Switch from broadcast_OR to broadcast_AND region for checking
> status bit 1 as Broadcast_OR region checks only for bit 0.
> 

Driver changes cannot be after DTS, because there should be no
dependency between hardware description and drivers. Hardware did not
change, did it? Your patchset might have wrong ordering or might break
bisectability.


Best regards,
Krzysztof