Date: Thu, 17 Apr 2008 11:39:41 +0200 From: Dirk-Willem van Gulik <dirkx@webweaving.org> To: "M. Warner Losh" <imp@bsdimp.com> Cc: takash-i@sophia.ac.jp, gaijin.k@gmail.com, freebsd-mobile@freebsd.org Subject: Re: pciconf -w Message-ID: <328A981E-AAC9-42D5-BCA7-8F83B8E3BB63@webweaving.org> In-Reply-To: <20080416.183606.-772296126.imp@bsdimp.com> References: <4805E5A2.1070705@sophia.ac.jp> <200804161037.26572.jhb@freebsd.org> <1208358909.10448.1.camel@RabbitsDen> <20080416.183606.-772296126.imp@bsdimp.com>
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On Apr 17, 2008, at 2:36 AM, M. Warner Losh wrote: > : > > Does anyone know how to trun off a pci device using pciconf -w ? > ..... > : > > ath0@pci0:3:0:0: class=0x020000 card=0x058a1014 > chip=0x1014168c .... > : > > cap 01[40] = powerspec 2 supports D0 D3 current D0 > : > > cap 05[50] = MSI supports 1 message > : > > cap 10[60] = PCI-Express 1 legacy endpoint > : > > cap 11[90] = MSI-X supports 1 message in map 0x10 > : > > : > Bug warner (imp@FreeBSD.org) for his devctl patch and use that > to turn it off. > : > > : Just out of curiosity... would setting > hw.pci.do_power_nodriver="3" and > : unloading if_ath.ko do the trick? > > Yes. Hmm - this does not work for me on a Soekris and in a Sony VAIO -- even after down, sysctl and unloading the driver it reports sitting in D0. Does this require certain support in the PCI controller ? Dw
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