Hi, Uwe Kleine-König <uwe@xxxxxxxxxxxxxxxxx> (2021-01-25): > Adding the -@ switch to dtc results in the binary devicetrees containing > a list of symbolic references and their paths. This is necessary to > apply device tree overlays e.g. on Raspberry Pi as described on > https://www.raspberrypi.org/documentation/configuration/device-tree.md. > > Obviously the downside of this change is an increas of the size of the (as spotted by Uwe right after sending →) increase > generated dtbs, for an arm out-of-tree build (multi_v7_defconfig): > > $ du -s arch/arm/boot/dts* > 101380 arch/arm/boot/dts-pre > 114308 arch/arm/boot/dts-post > > so this is in average an increase of 12.8% in size. > > Signed-off-by: Uwe Kleine-König <uwe@xxxxxxxxxxxxxxxxx> Tested-by: Cyril Brulebois <cyril@xxxxxxxxxxx> with: - a Raspberry Pi CM3 - a carrier board designed after the official IO Board V3 - an RTC accessible over I²C, made functional via a DTB overlay, that can only be enabled once bcm2710-rpi-cm3.dtb has been generated with this patch applied. Cheers, -- Cyril Brulebois -- Debian Consultant @ DEBAMAX -- https://debamax.com/
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