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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