[fedora-arm] Re: [RaspberryPI 3B] [unicorn Hat] [how to configure spi]

[adpdyj+4aw13di0ccx1w]

fortunately you don't have to compile the kernel completely, just generate a 
single dtb in the sources
and that diff --git is just part of the output of a git diff, you need to: dnf 
install patch dtc gcc
cd /usr/src/kernel/4.16.3-300.fc28.aarch64/
patch -p1 < /tmp/bcm283x.dtsi.patch
cd arch/arm/boot/dts/
gcc -E -I../../../../include -P -x assembler-with-cpp bcm2837-rpi-3-b.dts | dtc 
-I dts -O dtb -o bcm2837-rpi-3-b.dtb -
cp bcm2837-rpi-3-b.dtb 
/boot/dtb-4.16.3-300.fc28.aarch64/broadcom/bcm2837-rpi-3-b.dtb
reboot, and then you should have two /dev/spi*
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