Date: Wed, 18 Mar 2015 13:35:23 -0400 From: Jung-uk Kim <jkim@FreeBSD.org> To: Ian Smith <smithi@nimnet.asn.au>, Anthony Jenkins <Anthony.B.Jenkins@att.net> Cc: freebsd-acpi@freebsd.org Subject: Re: [PATCH] ACPI CMOS region support rev. 5 Message-ID: <5509B75B.3070409@FreeBSD.org> In-Reply-To: <20150317222704.K22641@sola.nimnet.asn.au> References: <20150222180817.GD27984@strugglingcoder.info> <54EB8C21.2080600@att.net> <2401337.2oUs7iAbtB@ralph.baldwin.cx> <54EF3D5D.4010106@att.net> <20150227222203.P38620@sola.nimnet.asn.au> <20150228125857.D1277@besplex.bde.org> <54F14368.4020807@att.net> <20150302002647.W42658@sola.nimnet.asn.au> <54F5E53D.1090601@att.net> <20150306025800.U46361@sola.nimnet.asn.au> <54F9D7E6.4050807@att.net> <5504FF32.3020202@att.net> <20150317001401.X22641@sola.nimnet.asn.au> <5506F00A.3030708@att.net> <5506FBE3.1000009@att.net> <20150317041624.K22641@sola.nimnet.asn.au> <55073442.5060005@att.net> <20150317222704.K22641@sola.nimnet.asn.au>
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On 03/17/2015 08:28, Ian Smith wrote:
> I still wonder if there isn't a global acpi_loaded_and_running
> variable so you could avoid even attempting ACPI init calls,
> perhaps making this not so dependent on ACPI, at least at runtime.
For runtime, power_pm_get_type() is what you looking for. For example,
switch (power_pm_get_type()) {
case POWER_PM_TYPE_ACPI: /* Do something specific to ACPI. */
case POWER_PM_TYPE_APM: /* Do something specific to APM. */
default: /* Do something without PM. */
}
> But perhaps jkim's concern is more regarding building on platforms
> not supporting ACPI at all? Is that the (only?) issue with this on
> ARM?
sys/x86/isa/atrtc.c is only for x86 (excluding pc98). I am only
concerned about ACPI-less i386 kernel at this point.
Jung-uk Kim
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