The Flash Interface Unit (FIU) should have a reference to the Shared Memory controller (SHM) so that flash access from the host (x86 computer managed by the WPCM450 BMC) can be blocked during flash access by the FIU driver. Fixes: 38abcb0d68767 ("ARM: dts: wpcm450: Add FIU SPI controller node") Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@xxxxxxx> --- arch/arm/boot/dts/nuvoton-wpcm450.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/nuvoton-wpcm450.dtsi b/arch/arm/boot/dts/nuvoton-wpcm450.dtsi index 299fcbba3089b..fda2f13093f98 100644 --- a/arch/arm/boot/dts/nuvoton-wpcm450.dtsi +++ b/arch/arm/boot/dts/nuvoton-wpcm450.dtsi @@ -478,6 +478,7 @@ fiu: spi-controller@c8000000 { reg = <0xc8000000 0x1000>, <0xc0000000 0x4000000>; reg-names = "control", "memory"; clocks = <&clk WPCM450_CLK_FIU>; + nuvoton,shm = <&shm>; status = "disabled"; }; -- 2.39.0