From: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> Several SCIFB registers reside outside the reported register ranges. Fortunately this works (on Linux), due to the PAGE_SIZE granularity of ioremap(). Extend the sizes from 64 to 0x100 bytes to fix this, like is done on SH/R-Mobile SoCs. Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> Signed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx> --- arch/arm/boot/dts/r8a7793.dtsi | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/r8a7793.dtsi b/arch/arm/boot/dts/r8a7793.dtsi index 8d02aacf2892..a7d11b9f3555 100644 --- a/arch/arm/boot/dts/r8a7793.dtsi +++ b/arch/arm/boot/dts/r8a7793.dtsi @@ -666,7 +666,7 @@ scifb0: serial@e6c20000 { compatible = "renesas,scifb-r8a7793", "renesas,rcar-gen2-scifb", "renesas,scifb"; - reg = <0 0xe6c20000 0 64>; + reg = <0 0xe6c20000 0 0x100>; interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>; clocks = <&mstp2_clks R8A7793_CLK_SCIFB0>; clock-names = "fck"; @@ -680,7 +680,7 @@ scifb1: serial@e6c30000 { compatible = "renesas,scifb-r8a7793", "renesas,rcar-gen2-scifb", "renesas,scifb"; - reg = <0 0xe6c30000 0 64>; + reg = <0 0xe6c30000 0 0x100>; interrupts = <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>; clocks = <&mstp2_clks R8A7793_CLK_SCIFB1>; clock-names = "fck"; @@ -694,7 +694,7 @@ scifb2: serial@e6ce0000 { compatible = "renesas,scifb-r8a7793", "renesas,rcar-gen2-scifb", "renesas,scifb"; - reg = <0 0xe6ce0000 0 64>; + reg = <0 0xe6ce0000 0 0x100>; interrupts = <GIC_SPI 150 IRQ_TYPE_LEVEL_HIGH>; clocks = <&mstp2_clks R8A7793_CLK_SCIFB2>; clock-names = "fck"; -- 2.7.0.rc3.207.g0ac5344