From: Abel Vesa <abel.vesa@linaro.org>
To: Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konrad.dybcio@linaro.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, Abel Vesa <abel.vesa@linaro.org>
Subject: [PATCH] arm64: dts: qcom: sm8[56]50: Fix SPMI channels size
Date: Tue, 20 Feb 2024 19:04:07 +0200 [thread overview]
Message-ID: <20240220-dts-qcom-sm8550-fix-spmi-chnls-size-v1-1-24e22107a6ac@linaro.org> (raw)
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.
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
---
arch/arm64/boot/dts/qcom/sm8550.dtsi | 2 +-
arch/arm64/boot/dts/qcom/sm8650.dtsi | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
index 7474cddf7ad3..3904348075f6 100644
--- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
@@ -3318,7 +3318,7 @@ sram@c3f0000 {
spmi_bus: spmi@c400000 {
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>;
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@c3f0000 {
spmi_bus: spmi@c400000 {
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>;
---
base-commit: 2d5c7b7eb345249cb34d42cbc2b97b4c57ea944e
change-id: 20240220-dts-qcom-sm8550-fix-spmi-chnls-size-b8e6323fecc0
Best regards,
--
Abel Vesa <abel.vesa@linaro.org>
next reply other threads:[~2024-02-20 17:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-20 17:04 Abel Vesa [this message]
2024-02-21 12:52 ` [PATCH] arm64: dts: qcom: sm8[56]50: Fix SPMI channels size neil.armstrong
2024-02-21 12:53 ` Abel Vesa
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