Thanks Marek, This fixes the booting issue on exyno7-espresso board. Probably this should be CCed to -stable. On 9/4/19 2:18 PM, Marek Szyprowski wrote: > Commit ef72171b3621 ("arm64: dts: exynos: Remove unneeded address space > mapping for soc node") changed the address and size cells in root node from > 2 to 1, but /memory nodes for the affected boards were not updated. This > went unnoticed on Exynos5433-based TM2(e) boards, because they use u-boot, > which updates /memory node to the correct values. On the other hand, the Yes, we don't use u-boot on this board. > mentioned commit broke boot on Exynos7-based Espresso board, which > bootloader doesn't touch /memory node at all. > > Reported-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx> > Fixes: ef72171b3621 ("arm64: dts: exynos: Remove unneeded address space mapping for soc node") > Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> Feel free to add, Reviewed-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx> This make exynos7 board boot again so, Tested-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx> > --- > arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi | 2 +- > arch/arm64/boot/dts/exynos/exynos7-espresso.dts | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi > index db22eb56e968..e6321c8567de 100644 > --- a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi > +++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi > @@ -50,7 +50,7 @@ > > memory@20000000 { > device_type = "memory"; > - reg = <0x0 0x20000000 0x0 0xc0000000>; > + reg = <0x20000000 0xc0000000>; > }; > > gpio-keys { > diff --git a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts > index 080e0f56e108..28b02830225f 100644 > --- a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts > +++ b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts > @@ -28,7 +28,7 @@ > > memory@40000000 { > device_type = "memory"; > - reg = <0x0 0x40000000 0x0 0xC0000000>; > + reg = <0x40000000 0xC0000000>; > }; > > usb30_vbus_reg: regulator-usb30 { >