On Fri, Mar 31, 2017 at 3:25 AM, Waldemar Rymarkiewicz <waldemar.rymarkiewicz@xxxxxxxxx> wrote: > On 30 March 2017 at 17:39, Rob Herring <robh@xxxxxxxxxx> wrote: >> On Thu, Mar 30, 2017 at 4:20 AM, Waldemar Rymarkiewicz >> <waldemar.rymarkiewicz@xxxxxxxxx> wrote: >>> Hi, >>> >>> I build DT for thermal zone according to >>> >>> http://lxr.free-electrons.com/source/Documentation/devicetree/bindings/thermal/thermal.txt#L261 >>> >>> but dtc (DTC 1.4.1-g53bf130b) fails with syntax error. >>> >>> Error: ../dts/xrx500.dtsi:1060.14-15 syntax error >>> FATAL ERROR: Unable to parse input tree >>> >>> The problem is with cooling-device property >>> >>> cooling-maps { >>> 295 map0 { >>> 296 trip = <&cpu_alert0>; >>> 297 cooling-device = >>> 298 <&cpu0 THERMAL_NO_LIMIT >>> THERMAL_NO_LIMIT>; >>> 299 }; >>> 300 }; >>> >>> if I use phandle like <&cpu0> it compiles but <&cpu0 THERMAL_NO_LIMIT >>> THERMAL_NO_LIMIT>; fails. >>> >>> What could be a reason? any hint ? >> >> Did you run it thru the C preprocessor first? Simple #defines are >> supported in dts files, but you have to use the C preprocessor before >> passing to dtc. The builds of dts files in the kernel tree do this for >> you. > > Yes, but preprocessor does not resolve THERMAL_NO_LIMIT which is > located in include/linux/thermal.h as far as I can see. That's by design. dts files should only include include/dt-bindings/* as they are part of the ABI. Rob -- To unsubscribe from this list: send the line "unsubscribe devicetree-spec" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html