From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Gibson Subject: Re: [PATCH] libfdt: add address translation support Date: Wed, 14 May 2014 16:51:43 +1000 Message-ID: <20140514065143.GA10865@voom.redhat.com> References: <1396371463-7516-1-git-send-email-robherring2@gmail.com> <20140512060000.GA28789@voom> <1399875002.17624.89.camel@pasglop> <20140514041849.GC28789@voom> <1400045038.17624.239.camel@pasglop> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="jRHKVT23PllUwdXP" Return-path: Content-Disposition: inline In-Reply-To: <1400045038.17624.239.camel@pasglop> Sender: devicetree-compiler-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: To: Benjamin Herrenschmidt Cc: Grant Likely , Rob Herring , devicetree-compiler-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Rob Herring , Scott Wood , Kim Phillips , Kumar Gala --jRHKVT23PllUwdXP Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, May 14, 2014 at 03:23:58PM +1000, Benjamin Herrenschmidt wrote: > On Wed, 2014-05-14 at 14:18 +1000, David Gibson wrote: > > I supposed it's arguable that a PCI ranges property really should have > > windows for both prefetchable and non-prefetchable areas, but since > > that's not done in practice, it's pretty much moot. >=20 > They don't have to, only if there's a relevant difference, ie it's > perfectly legit for a firmware to assign prefetchable BARs in a > non-prefetchable region. In what sense is the window region non-prefetchable? Isn't that a property only of the final destination of the bus cycle? > Now granted, those are somewhat special cases so maybe we should > do just that ... special case PCI and try to not continue that mess > with new bindings. Yeah, I think that's the way to go. --=20 David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson --jRHKVT23PllUwdXP Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJTcxJ/AAoJEGw4ysog2bOSYPoQAOXBcF9Va9R2kFzw9VM5KWst BhpCqdY2ITYokYIDAqGi20n/JaBkmlOLBBzhZGnX7vf/Sa5Y8UBAh13IVT4jrWXF BJbdtpLKcuawt6m51ewQ96SIiljlddKU5OJaL31irvuNcvt9/RUvFiyi3L+L+C8b KR3Tar1jMQmeEx9DxnFEcM+rGUZ7fXuY8mnSg2t0XgS6ZDAZW+qVp1famYfSLi2c G4rMqjN1Jly8q1Wp0pbdOJhMOMBb/rlKwQU9QZWwBCgDtnyaqSviz1mBbMJ+NkKz /6BvRqu9OfeFC3pwSMJRP6VBn44YV9ZxFp5Mb0NS2LEVnhsIa4KI4V5eapao+nZO PyICFqaH9wkBtTT/0vcdCtTPjF1VhHmwjK0FjZJKcHxlVBm5p0c4J/LQ1TlNhEi4 e/YBP1osBFEZltW7EMz28e7u7Dvb3lnsP0V6EIivdnnYP9/bw/G/VCxFnwywXo2g CN50L4xdjFMz1jyz/Le/8SK8BVmdEut9fVahbiwbeHv9n2GzT4fe2791Gi3ryd/i cwtRx5kDhc1NFQMHbU54NKre/2ht19i9ZFDV08gp+RYZ02JLv2P1vcWYMse1hZ7H ff6BVHjbs/jIbrpU6iEtlV0+3WsJ242ZNaiiuxnQ1NS3XCoBe3aqvmnDeK1N3pFv W8bpqz6qMyWvsVgDQoKd =2VrJ -----END PGP SIGNATURE----- --jRHKVT23PllUwdXP-- -- To unsubscribe from this list: send the line "unsubscribe devicetree-compiler" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html