On Wed, 2012-09-19 at 14:08 -0700, Adrian Chadd wrote: > On 19 September 2012 14:05, Ian Lepore <freebsd_at_damnhippie.dyndns.org> wrote: > > >> Add something to atrtc_start() to only loop over that loop say, 64k > >> times before dropping out; and print an error if it hits that > >> condition. > >> > >> Also, what's that RTCSA_8192 bit do? > > > > That should set the interrupt rate really high, to minimize the time > > wasted waiting for the status bit to change in the register. Maybe > > that's the part that vbox isn't emulating well and so it never simulates > > an interrupt and leaves that loop. Or maybe because the loop is a tight > > busy-wait the emulator never gets control to simulate the occurance of > > the interrupt. > > Right. Being totally clueless, is atrc_start() called just at > probe/attach, or during normal operation? > It's called just once, from the attach() routine for the rtc device. -- IanReceived on Wed Sep 19 2012 - 19:12:09 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:40:30 UTC