Date: Wed, 16 Apr 2008 18:35:54 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: jhb@freebsd.org Cc: takash-i@sophia.ac.jp, freebsd-mobile@freebsd.org Subject: Re: pciconf -w Message-ID: <20080416.183554.-1751000258.imp@bsdimp.com> In-Reply-To: <200804161037.26572.jhb@freebsd.org> References: <4805E5A2.1070705@sophia.ac.jp> <200804161037.26572.jhb@freebsd.org>
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In message: <200804161037.26572.jhb@freebsd.org> John Baldwin <jhb@freebsd.org> writes: : On Wednesday 16 April 2008 07:40:18 am Takashi Inoue wrote: : > Hi friends, : > : > Does anyone know how to trun off a pci device using pciconf -w ? : > : > Becase my MiniPCI Express wireless card is realy hot, : > I want to turn off when I don't need it. : > : > : > ath0@pci0:3:0:0: class=0x020000 card=0x058a1014 chip=0x1014168c : > rev=0x01 hdr=0x00 : > vendor = 'Atheros Communications Inc.' : > device = 'AR5212 Atheros AR5212 802.11abg wireless' : > class = network : > subclass = ethernet : > 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. You could unload the ath driver :-) Of course, one could argue that the ath driver should set the device into D3 state when it has been ifconfig'd down. Warner
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