From: Geert Uytterhoeven Date: Mon, 12 May 2025 08:45:12 +0000 (+0200) Subject: arm64: dts: renesas: sparrow-hawk: Disable dtc spi_bus_bridge check X-Git-Tag: v6.16-rc1~97^2~11^2~1 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=fb30a7c5964235f674d92fd12bd68f688f366067;p=thirdparty%2Flinux.git arm64: dts: renesas: sparrow-hawk: Disable dtc spi_bus_bridge check make dtbs: arch/arm64/boot/dts/renesas/r8a779g0.dtsi:1269.24-1283.5: Warning (spi_bus_bridge): /soc/spi@e6ea0000: incorrect #address-cells for SPI bus also defined at arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts:471.9-486.3 arch/arm64/boot/dts/renesas/r8a779g0.dtsi:1269.24-1283.5: Warning (spi_bus_bridge): /soc/spi@e6ea0000: incorrect #size-cells for SPI bus also defined at arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts:471.9-486.3 arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' The Sparrow Hawk uses the MSIOF module in I2S mode instead of SPI mode, triggering a conflict between the SPI bus bindings and dtc: - Serial engines that can be SPI controllers must use "spi" as their node names, - Dtc assumes nodes named "spi" are always SPI controllers. Fix this by disabling this specific warning for this board. Fixes: ca764d5321a2cee7 ("arm64: dts: renesas: sparrow-hawk: Add MSIOF Sound support") Reported-by: Stephen Rothwell Closes: https://lore.kernel.org/20250506192033.77338015@canb.auug.org.au Suggested-by: Rob Herring Link: https://lore.kernel.org/fbad3581f297d5b95a3b2813bbae7dba25a523fd.1747039399.git.geert+renesas@glider.be Signed-off-by: Geert Uytterhoeven --- diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile index b24dddee3827c..aa7f996c0546c 100644 --- a/arch/arm64/boot/dts/renesas/Makefile +++ b/arch/arm64/boot/dts/renesas/Makefile @@ -94,6 +94,7 @@ dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g2-white-hawk-single.dtb r8a779g2-white-hawk-single-ard-audio-da7212-dtbs := r8a779g2-white-hawk-single.dtb white-hawk-ard-audio-da7212.dtbo dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g2-white-hawk-single-ard-audio-da7212.dtb +DTC_FLAGS_r8a779g3-sparrow-hawk += -Wno-spi_bus_bridge dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk.dtb r8a779g3-sparrow-hawk-fan-pwm-dtbs := r8a779g3-sparrow-hawk.dtb r8a779g3-sparrow-hawk-fan-pwm.dtbo dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-fan-pwm.dtb