On Sun, 2016-10-09 at 12:46 +0200, Lukas Wunner wrote: > On Fri, Oct 07, 2016 at 11:55:34PM +0300, Andy Shevchenko wrote: > > > > On Thu, 2016-10-06 at 08:24 +0200, Lukas Wunner wrote: > > > > > > + > > > + reg = (id * LSS_PWS_BITS) / 32; > > > + bit = (id * LSS_PWS_BITS) % 32; > > > + power = mid_pwr_get_state(pwr, reg); > > > + return (power >> bit) & 3; > > > > Don't add sparse warnings: > > > > return (__force pci_power_t)((power >> bit) & 3); > > I do not get any different sparse warnings with or without the cast > despite using -Wsparse-all. This is with sparse 0.5.0 as included in > Debian stretch. > > With which options and sparse version did you manage to get new > warnings? $ sparse --version v0.5.0 $ make C=1 CF=-D__CHECK_ENDIAN__ W=1 -j64 Warning itself: arch/x86/platform/intel-mid/pwr.c:305:31: warning: incorrect type in return expression (different base types) arch/x86/platform/intel-mid/pwr.c:305:31: expected restricted pci_power_t arch/x86/platform/intel-mid/pwr.c:305:31: got unsigned int -- Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Intel Finland Oy -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html