On Mon, 11 May 2020 at 15:19, Rob Herring <[email protected]> wrote: > > On Fri, May 8, 2020 at 1:40 AM Joel Stanley <[email protected]> wrote: > > > > On Wed, 6 May 2020 at 23:13, Joel Stanley <[email protected]> wrote: > > > > > > Hi Rob, > > > > > > On Wed, 6 May 2020 at 23:10, Stephen Rothwell <[email protected]> > > > 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. > > > > I sent a patch for dtc here: > > https://lore.kernel.org/lkml/[email protected]/ > > Patches for dtc need to be against upstream dtc. There's already a > similar patch posted for it which I commented on and never saw a > respin.
Can I suggest some instructions in scsripts/dtc explaining that you don't take patches in the kernel tree for this code? I've sent the patch so it applies to the dtc tree. It would be good to see that change propagate over to -next as others have reported this warning. Cheers, Joel

