On Friday, August 09, 2013 12:17:21 PM Adachi, Kenichi wrote: > Hi, > > On Thu, Aug 8, 2013 at 4:29 PM, Lv Zheng <lv.zheng@xxxxxxxxx> wrote: > > > > From: Bob Moore <robert.moore@xxxxxxxxx> > > > > PM Timer is now optional. > ... > > The change doesn't affect Linux directly, because it has never relied > > on the presence of the PM timer. > > > Has it been so? > > IIRC, there're a couple of accesses to PM Timer via: > - inl(acpi_gbl_FADT.xpm_timer_block.address); > typically in processor driver code: ex) drivers/acpi/processor_idle.c > which seems to rely on the presence of the PM timer. That's correct, so I modified the changelog as it was not accurate. However, we don't rely on the PM timer presence any more, because we found systems in the field where the PM timer was not present. Thanks, Rafael -- 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
