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Message-ID: <f2b9443e-b214-4f72-a870-2f16d37a04a6@linaro.org>
Date: Wed, 21 Feb 2024 14:49:01 +0100
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Abel Vesa <abel.vesa@...aro.org>, Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh@...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
Subject: Re: [PATCH v2 2/2] arm64: dts: qcom: sm8650: Fix SPMI channels size
On 21/02/2024 14:04, Abel Vesa wrote:
> The actual size of the channels registers region is 4MB, according to the
> documentation. This issue was not caught until now because the driver was
> supposed to allow same regions being mapped multiple times for supporting
> multiple buses. Thie driver is using platform_get_resource_byname() and
> devm_ioremap() towards that purpose, which intentionally avoids
> devm_request_mem_region() altogether.
>
> Fixes: 10e024671295 ("arm64: dts: qcom: sm8650: add interconnect dependent device nodes")
> Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>
> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> ---
> arch/arm64/boot/dts/qcom/sm8650.dtsi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8650.dtsi b/arch/arm64/boot/dts/qcom/sm8650.dtsi
> index d488b3b3265e..260eda81b743 100644
> --- a/arch/arm64/boot/dts/qcom/sm8650.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8650.dtsi
> @@ -3747,7 +3747,7 @@ sram@...0000 {
> spmi_bus: spmi@...0000 {
> compatible = "qcom,spmi-pmic-arb";
> reg = <0 0x0c400000 0 0x3000>,
> - <0 0x0c500000 0 0x4000000>,
> + <0 0x0c500000 0 0x400000>,
> <0 0x0c440000 0 0x80000>,
> <0 0x0c4c0000 0 0x20000>,
> <0 0x0c42d000 0 0x4000>;
>
Tested-by: Neil Armstrong <neil.armstrong@...aro.org> # on SM8650-QRD
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