linux-kernel - [PATCH] fixup! arm64: dts: rockchip: Add rk3568 PCIe2x1 controller

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Date:   Mon,  6 Jun 2022 11:22:04 -0400
From:   Peter Geis <pgwipeout@...il.com>
To:     Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Peter Geis <pgwipeout@...il.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] fixup! arm64: dts: rockchip: Add rk3568 PCIe2x1 controller

Having a gap in the address space leads to read issues with NVMe SSDs.
Fixup the address space.

Signed-off-by: Peter Geis <pgwipeout@...il.com>
---

It seems this address space change was lost in one of my rebases. This
fixes up my original patch to correct issues with NVMe SSDs.
It's based off Heiko's v5.20-armsoc/dts64 at:
https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git/?h=v5.20-armsoc/dts64

 arch/arm64/boot/dts/rockchip/rk356x.dtsi | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
index 99ab013b8ba4..cc1c5a65c5e5 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -839,7 +839,7 @@ pcie2x1: pcie@...60000 {
 		compatible = "rockchip,rk3568-pcie";
 		reg = <0x3 0xc0000000 0x0 0x00400000>,
 		      <0x0 0xfe260000 0x0 0x00010000>,
-		      <0x3 0x00000000 0x0 0x01000000>;
+		      <0x3 0x3f000000 0x0 0x01000000>;
 		reg-names = "dbi", "apb", "config";
 		interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>,
@@ -868,8 +868,8 @@ pcie2x1: pcie@...60000 {
 		phys = <&combphy2 PHY_TYPE_PCIE>;
 		phy-names = "pcie-phy";
 		power-domains = <&power RK3568_PD_PIPE>;
-		ranges = <0x01000000 0x0 0x01000000 0x3 0x01000000 0x0 0x00100000
-			  0x02000000 0x0 0x02000000 0x3 0x01100000 0x0 0x3ef00000>;
+		ranges = <0x01000000 0x0 0x3ef00000 0x3 0x3ef00000 0x0 0x00100000
+			  0x02000000 0x0 0x00000000 0x3 0x00000000 0x0 0x3ef00000>;
 		resets = <&cru SRST_PCIE20_POWERUP>;
 		reset-names = "pipe";
 		#address-cells = <3>;
-- 
2.25.1