Date: Fri, 4 May 2012 12:14:16 -0400 From: John Baldwin <jhb@freebsd.org> To: Hans Petter Selasky <hselasky@freebsd.org> Cc: svn-src-stable@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, svn-src-stable-9@freebsd.org Subject: Re: svn commit: r235007 - stable/9/sys/dev/pci Message-ID: <201205041214.16342.jhb@freebsd.org> In-Reply-To: <201205041538.q44FclqK010547@svn.freebsd.org> References: <201205041538.q44FclqK010547@svn.freebsd.org>
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On Friday, May 04, 2012 11:38:47 am Hans Petter Selasky wrote: > Author: hselasky > Date: Fri May 4 15:38:47 2012 > New Revision: 235007 > URL: http://svn.freebsd.org/changeset/base/235007 > > Log: > MFC r233662, r233677 and r233678: > > Writing zero to BAR actually does not disable it and > it is even harmful as hselasky found out. Historically, > this code was originated from (OLDCARD) CardBus driver and later leaked into > PCI driver when CardBus was newbus'ified and refactored with PCI driver. > However, it is not really necessary even for CardBus. FYI, I've got one bug report on HEAD where these changes broke a machine's ATA controller. -- John Baldwin
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