linux-kernel - [PATCH 1/1] arm64: dts: qcom: x1e80100: Fix up BAR space size for PCIe6a

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Message-Id: <20241113080508.3458849-1-quic_qianyu@quicinc.com>
Date: Wed, 13 Nov 2024 00:05:08 -0800
From: Qiang Yu <quic_qianyu@...cinc.com>
To: andersson@...nel.org, konradybcio@...nel.org, robh@...nel.org,
        krzk+dt@...nel.org, conor+dt@...nel.org
Cc: johan@...nel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        quic_cang@...cinc.com, quic_mrana@...cinc.com, quic_qianyu@...cinc.com,
        stable@...r.kernel.org
Subject: [PATCH 1/1] arm64: dts: qcom: x1e80100: Fix up BAR space size for PCIe6a

As per memory map table, the region for PCIe6a is 64MByte. Hence, set the
size of 32 bit non-prefetchable memory region beginning on address
0x70300000 as 0x3d00000 so that BAR space assigned to BAR registers can be
allocated from 0x70300000 to 0x74000000.

Fixes: 7af141850012 ("arm64: dts: qcom: x1e80100: Fix up BAR spaces")
Cc: stable@...r.kernel.org
Signed-off-by: Qiang Yu <quic_qianyu@...cinc.com>
---
 arch/arm64/boot/dts/qcom/x1e80100.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
index f044921457d0..90ddac606719 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
@@ -3126,7 +3126,7 @@ pcie6a: pci@...8000 {
 			#address-cells = <3>;
 			#size-cells = <2>;
 			ranges = <0x01000000 0x0 0x00000000 0x0 0x70200000 0x0 0x100000>,
-				 <0x02000000 0x0 0x70300000 0x0 0x70300000 0x0 0x1d00000>;
+				 <0x02000000 0x0 0x70300000 0x0 0x70300000 0x0 0x3d00000>;
 			bus-range = <0x00 0xff>;
 
 			dma-coherent;
-- 
2.34.1