On Wed, Apr 24, 2013 at 8:32 PM, John Stultz <john.stu...@linaro.org> wrote: > Kay Sievers noted that the ALWAYS_USE_PERSISTENT_CLOCK config, > which enables some minor compile time optimization to avoid > uncessary code in mostly the suspend/resume path could cause > problems for userland. > > In particular, the dependency for RTC_HCTOSYS on > !ALWAYS_USE_PERSISTENT_CLOCK, which avoids setting the time > twice and simplifies suspend/resume, has the side effect > of causing the /sys/class/rtc/rtcN/hctosys flag to always be > zero, and this flag is commonly used by udev to setup the > /dev/rtc symlink to /dev/rtcN, which can cause pain for > older applications.
FWIW, in the light of the original change, I've just removed the /dev/rtc creation from the default udev rules now, so that thing will be phased out in the future. Thanks, Kay -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
