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> --- arch/arm/boot/dts/r8a7791.dtsi | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi index 4e64be751bf2dafa..5d81a2d1c88434f2 100644 --- a/arch/arm/boot/dts/r8a7791.dtsi +++ b/arch/arm/boot/dts/r8a7791.dtsi @@ -702,7 +702,7 @@ scifb0: serial@e6c20000 { compatible = "renesas,scifb-r8a7791", "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 R8A7791_CLK_SCIFB0>; clock-names = "fck"; @@ -716,7 +716,7 @@ scifb1: serial@e6c30000 { compatible = "renesas,scifb-r8a7791", "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 R8A7791_CLK_SCIFB1>; clock-names = "fck"; @@ -730,7 +730,7 @@ scifb2: serial@e6ce0000 { compatible = "renesas,scifb-r8a7791", "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 R8A7791_CLK_SCIFB2>; clock-names = "fck"; -- 1.9.1