linux-kernel - [PATCH v2 04/13] arm64: dts: qcom: sc7180: Remove reg-names property from LLCC node

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Date:   Mon, 12 Dec 2022 18:03:02 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     andersson@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, bp@...en8.de,
        tony.luck@...el.com
Cc:     quic_saipraka@...cinc.com, konrad.dybcio@...aro.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        james.morse@....com, mchehab@...nel.org, rric@...nel.org,
        linux-edac@...r.kernel.org, quic_ppareek@...cinc.com,
        luca.weiss@...rphone.com,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        stable@...r.kernel.org
Subject: [PATCH v2 04/13] arm64: dts: qcom: sc7180: Remove reg-names property from LLCC node

The LLCC block has several banks each with a different base address
and holes in between. So it is not a correct approach to cover these
banks with a single offset/size. Instead, the individual bank's base
address needs to be specified in devicetree with the exact size.

On SC7180, there is only one LLCC bank available. So only change needed is
to remove the reg-names property from LLCC node to conform to the binding.

The driver is expected to parse the reg field based on index to get the
addresses of each LLCC banks.

Cc: <stable@...r.kernel.org> # 5.6
Fixes: c831fa299996 ("arm64: dts: qcom: sc7180: Add Last level cache controller node")
Reported-by: Parikshit Pareek <quic_ppareek@...cinc.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
 arch/arm64/boot/dts/qcom/sc7180.dtsi | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index f71cf21a8dd8..b0d524bbf051 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -2759,7 +2759,6 @@ dc_noc: interconnect@...0000 {
 		system-cache-controller@...0000 {
 			compatible = "qcom,sc7180-llcc";
 			reg = <0 0x09200000 0 0x50000>, <0 0x09600000 0 0x50000>;
-			reg-names = "llcc_base", "llcc_broadcast_base";
 			interrupts = <GIC_SPI 582 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
-- 
2.25.1