On Thu, Jul 23, 2015 at 02:07:59PM +0200, Pavel Machek wrote: > On Tue 2015-07-21 09:21:32, Sascha Hauer wrote: > > The thermal code uses int, long and unsigned long for temperatures > > in different places. > > > > Using an unsigned type limits the thermal framework to positive > > temperatures without need. Also several drivers currently will report > > temperatures near UINT_MAX for temperatures below 0°C. This will probably > > immediately shut the machine down due to overtemperature if started below > > 0°C. > > > > 'long' is 64bit on several architectures. This is not needed since INT_MAX °mC > > is above the melting point of all known materials. > > Can we do something like > > typedef millicelsius_t int; > > ...to document the units? I am not very fond of typedefs and I am not sure this adds any value. I could change it when more people ask for it, but I just sent the new version without this. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
