linux-kernel - [PATCH] arm: dts: ls1021a: fix QuadSPI-memory reg range

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Message-Id: <20200728105006.7952-1-matthias.schiffer@ew.tq-group.com>
Date:   Tue, 28 Jul 2020 12:50:06 +0200
From:   Matthias Schiffer <matthias.schiffer@...tq-group.com>
To:     Shawn Guo <shawnguo@...nel.org>, Li Yang <leoyang.li@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Matthias Schiffer <matthias.schiffer@...tq-group.com>
Subject: [PATCH] arm: dts: ls1021a: fix QuadSPI-memory reg range

According to the Reference Manual, the correct size is 512 MiB.

Without this fix, probing the QSPI fails:

    fsl-quadspi 1550000.spi: ioremap failed for resource
        [mem 0x40000000-0x7fffffff]
    fsl-quadspi 1550000.spi: Freescale QuadSPI probe failed
    fsl-quadspi: probe of 1550000.spi failed with error -12

Fixes: 85f8ee78ab72 ("ARM: dts: ls1021a: Add support for QSPI with ls1021a SoC")
Signed-off-by: Matthias Schiffer <matthias.schiffer@...tq-group.com>
---
 arch/arm/boot/dts/ls1021a.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi
index b2ff27af090e..9435ce527e85 100644
--- a/arch/arm/boot/dts/ls1021a.dtsi
+++ b/arch/arm/boot/dts/ls1021a.dtsi
@@ -181,7 +181,7 @@
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0x0 0x1550000 0x0 0x10000>,
-			      <0x0 0x40000000 0x0 0x40000000>;
+			      <0x0 0x40000000 0x0 0x20000000>;
 			reg-names = "QuadSPI", "QuadSPI-memory";
 			interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
 			clock-names = "qspi_en", "qspi";
-- 
2.17.1