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charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240221-dts-qcom-sm8550-fix-spmi-chnls-size-v2-1-72b5efd9dc4f@linaro.org> References: <20240221-dts-qcom-sm8550-fix-spmi-chnls-size-v2-0-72b5efd9dc4f@linaro.org> In-Reply-To: <20240221-dts-qcom-sm8550-fix-spmi-chnls-size-v2-0-72b5efd9dc4f@linaro.org> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Abel Vesa , Neil Armstrong X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1239; i=abel.vesa@linaro.org; h=from:subject:message-id; bh=4mMz+Afj9+txFT9PWzXETYmqTBIiFL+7F4R5HJzfGME=; b=owEBbQKS/ZANAwAKARtfRMkAlRVWAcsmYgBl1fTjJmY54YBG0h842mLyJ2FThRB6eQ/tVf/kz e7JuJt9Jq6JAjMEAAEKAB0WIQRO8+4RTnqPKsqn0bgbX0TJAJUVVgUCZdX04wAKCRAbX0TJAJUV VqfZD/9ZlnOejk6reVs4etOcvOK+Bgxz6t98718QfBXGAAYf+n0mVXp4HuDKkurOo1mA8BMwqgy eovWD7Ttbf79SXTgd6N+tHSqgy6YUFAh0hIIUFtoL6KMaTkp2vpunMvEFDFa3CEFRAyd863mHGE s/XK8DnC2Otc1G83gkIjjG/5ydU+OtQQqgOuplzLxeuJMCa3a9CYDf6zrzxbbPB8dwvDi532Cud +irBLi1S7yxiphETdn0KhotXo4T5nv9LE5icSZ0rScp/oowGNGc1clWGKq7TUHD0I9c5wtdMzmA U8QjMARcpQtMHdrMyVyvbYdjzATcYFI6nJNHAkWP3yJtsAJDQ4t+5Q6SOvIrfKGHrTzKMFbOGNA xE2tjJUvih6ifiHWtxiupShkiZ7/AYfqs87SEy4t8ri2Na17Q6uyU5cyOt0YYrNTAjzFz8FlO5R vWPPJlUxylSazOb4XCL1IFsVI3APVcl8fjtpJIpK9j21Mvf7sVlVrbqDsxJ0jXwp55BUQJZxyGi C1aj3ndHIIMsdRfIWUvxLw4y2h0W5TlGNhxPQUtJEJZt32LVtBYRD9LU5C8cIaE/9UfSIVZVZxI TEnsOkKbI0jCKIEP+s0uXPeECR5cQwLYvT2P3/6sEz05FzJntlRkFqziEeyz9F1PQHlCH64Kmk5 Mh11jhpB2AtBVnw== X-Developer-Key: i=abel.vesa@linaro.org; a=openpgp; fpr=6AFF162D57F4223A8770EF5AF7BF214136F41FAE 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: ffc50b2d3828 ("arm64: dts: qcom: Add base SM8550 dtsi") Reviewed-by: Neil Armstrong Signed-off-by: Abel Vesa Reviewed-by: Konrad Dybcio Tested-by: Neil Armstrong # on SM8550-QRD --- arch/arm64/boot/dts/qcom/sm8550.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qco= m/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 =3D "qcom,spmi-pmic-arb"; reg =3D <0 0x0c400000 0 0x3000>, - <0 0x0c500000 0 0x4000000>, + <0 0x0c500000 0 0x400000>, <0 0x0c440000 0 0x80000>, <0 0x0c4c0000 0 0x20000>, <0 0x0c42d000 0 0x4000>; --=20 2.34.1 From nobody Mon Feb 9 10:53:40 2026 Received: from mail-ed1-f41.google.com (mail-ed1-f41.google.com [209.85.208.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 54C6D4D5B7 for ; 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a=openpgp; fpr=6AFF162D57F4223A8770EF5AF7BF214136F41FAE 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 Signed-off-by: Abel Vesa Reviewed-by: Konrad Dybcio Tested-by: Neil Armstrong # on SM8650-QRD --- 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/qco= m/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 =3D "qcom,spmi-pmic-arb"; reg =3D <0 0x0c400000 0 0x3000>, - <0 0x0c500000 0 0x4000000>, + <0 0x0c500000 0 0x400000>, <0 0x0c440000 0 0x80000>, <0 0x0c4c0000 0 0x20000>, <0 0x0c42d000 0 0x4000>; --=20 2.34.1