Date: Mon, 26 Jan 2004 18:17:20 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: nate@root.org Cc: arch@freebsd.org Subject: Re: newbus ioport usage Message-ID: <20040126.181720.15264443.imp@bsdimp.com> In-Reply-To: <20040126165523.W30461@root.org> References: <20040126140100.T29680@root.org> <20040126.151728.133912536.imp@bsdimp.com> <20040126165523.W30461@root.org>
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In message: <20040126165523.W30461@root.org>
Nate Lawson <nate@root.org> writes:
: Ok, I'm doing the set/alloc and it works. However, one weird thing. If I
: allocate all ports at boot time, it succeeds. My driver goes through
: multiple release/allocate cycles and it all works as expected. However if
: I boot and attach to only one of the registers, subsequent attempts to
: attach the second one fail. The resources are 2 IO ports, 0x101c and
: 0x101d. Both are 1 byte.
Deos devinfo -r show any cause for the problem? Maybe you aren't
releasing them properly? Also, why not allocate them as a block of 2?
Warner
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