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Date:      Thu, 24 May 2001 20:09:47 -0600
From:      Warner Losh <imp@village.org>
To:        j mckitrick <jcm@FreeBSD-uk.eu.org>
Cc:        freebsd-hackers@FreeBSD.ORG
Subject:   Re: softc with resource sharing 
Message-ID:  <200105250209.f4P29ll39999@billy-club.village.org>
In-Reply-To: Your message of "Thu, 24 May 2001 03:34:53 BST." <20010524033453.A57329@dogma.freebsd-uk.eu.org> 
References:  <20010524033453.A57329@dogma.freebsd-uk.eu.org>  

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In message <20010524033453.A57329@dogma.freebsd-uk.eu.org> j mckitrick writes:
: Any devices using the ppbus will end up sharing the hardware port.  If i want
: to access this resource info, should i store it in my local driver's softc
: structure, or extract it from the parent device (ppbus)?

There should be a method for getting the resource for the parent.
bus_alloc_resource is that method.  The parent should manage its
children's resources, even if they all map to the same port(s).  You
shouldn't be extracting it more directly from the parent.

Warner

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