On 17/02/2024 20:02, Artur Weber wrote: > The stock bootloader on the Samsung Galaxy Tab 3 8.0 provides an > incorrect available memory range over ATAG_MEM. Limit the usable > memory in the DTS to prevent it from doing so, without having to > disable ATAG support. > > Signed-off-by: Artur Weber <aweber.kernel@xxxxxxxxx> > --- > arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi b/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi > index e5254e32aa8f..9bc05961577d 100644 > --- a/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi > +++ b/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi > @@ -45,6 +45,12 @@ chosen { > /* Default S-BOOT bootloader loads initramfs here */ > linux,initrd-start = <0x42000000>; > linux,initrd-end = <0x42800000>; > + > + /* > + * Stock bootloader provides incorrect memory size in ATAG_MEM; > + * override it here > + */ > + linux,usable-memory-range = <0x40000000 0x3fc00000>; Applied and dropped: chosen: linux,usable-memory-range:0: [4611686019496935424] is too short Does not look you tested the bindings. Please observe that we have dedicated subsystem profile since a release: https://www.kernel.org/doc/html/latest/process/maintainers.html#arm-samsung-s3c-s5p-and-exynos-arm-architectures Best regards, Krzysztof