Hi Rob, On Wed, 6 May 2020 at 23:10, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > > Hi all, > > After merging the aspeed tree, today's linux-next build (arm > multi_v7_defconfig) produced this warning: Thanks Stephen. > arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts:126.11-130.4: Warning (i2c_bus_reg): /ahb/apb/bus@1e78a000/i2c-bus@80/ipmb1@10: I2C bus unit address format error, expected "40000010" > arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts:128.3-30: Warning (i2c_bus_reg): /ahb/apb/bus@1e78a000/i2c-bus@80/ipmb1@10:reg: I2C address must be less than 10-bits, got "0x40000010" > arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts:137.11-141.4: Warning (i2c_bus_reg): /ahb/apb/bus@1e78a000/i2c-bus@100/ipmb3@10: I2C bus unit address format error, expected "40000010" > arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts:139.3-30: Warning (i2c_bus_reg): /ahb/apb/bus@1e78a000/i2c-bus@100/ipmb3@10:reg: I2C address must be less than 10-bits, got "0x40000010" > arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts:148.11-152.4: Warning (i2c_bus_reg): /ahb/apb/bus@1e78a000/i2c-bus@180/ipmb5@10: I2C bus unit address format error, expected "40000010" > arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts:150.3-30: Warning (i2c_bus_reg): /ahb/apb/bus@1e78a000/i2c-bus@180/ipmb5@10:reg: I2C address must be less than 10-bits, got "0x40000010" > arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts:159.11-163.4: Warning (i2c_bus_reg): /ahb/apb/bus@1e78a000/i2c-bus@300/ipmb7@10: I2C bus unit address format error, expected "40000010" > arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts:161.3-30: Warning (i2c_bus_reg): /ahb/apb/bus@1e78a000/i2c-bus@300/ipmb7@10:reg: I2C address must be less than 10-bits, got "0x40000010" These are IPMB nodes with the SLAVE_ADDRESS bit set: +&i2c5 { + //Host3 IPMB bus + status = "okay"; + multi-master; + ipmb5@10 { + compatible = "ipmb-dev"; + reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>; + i2c-protocol; + }; This is a correct entry, so dtc should not warn about it. Cheers, Joel > > Introduced by commit > > 266056d3c61d ("ARM: dts: aspeed: Adding Facebook Yosemite V2 BMC") > > -- > Cheers, > Stephen Rothwell