Date: Mon, 17 Nov 2014 15:17:25 -0800 From: Adrian Chadd <adrian@freebsd.org> To: John Baldwin <jhb@freebsd.org> Cc: "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "src-committers@freebsd.org" <src-committers@freebsd.org>, Dmitry Chagin <dchagin@freebsd.org> Subject: Re: svn commit: r274635 - head/sys/dev/pci Message-ID: <CAJ-Vmo=7x0Ut5nZyYMtpKCNin0ovbdFSXBTLTL7sr%2BJxnR2GTA@mail.gmail.com> In-Reply-To: <2245618.H2SPKlpWdS@ralph.baldwin.cx> References: <201411172025.sAHKPLMl055666@svn.freebsd.org> <2245618.H2SPKlpWdS@ralph.baldwin.cx>
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On 17 November 2014 14:45, John Baldwin <jhb@freebsd.org> wrote: > On Monday, November 17, 2014 08:25:21 PM Dmitry Chagin wrote: >> Author: dchagin >> Date: Mon Nov 17 20:25:21 2014 >> New Revision: 274635 >> URL: https://svnweb.freebsd.org/changeset/base/274635 >> >> Log: >> Use the correct device as the power_for_sleep() method >> always pass request up to parent bridge. >> >> Reviewed by: jhb >> MFC after: 1 week >> xMFC: r274386,r274397 > > Hmm, I had misread this diff as being another instance of what Adrian had > found. I think this is actually not correct. The parent of a pci device > ('dev' here) is a pciX device. pciX devices do not implement the > PCIB_POWER_FOR_SLEEP method from pcib_if.m, so this probably just broke > Adrian's Asus laptop as now it will always use D3 again and ignore _SxD. > > You said that this change fixed your laptop, yes? Did it work before Adrian's > change in r274386 and break afterwards? Hm, it doesn't cascade up to the parent of dev if it's called? -adrian
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