From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: Re: [PATCH 18/23] iommu/tegra: smmu: Workaround PCIe IOMMU'able Date: Wed, 26 Jun 2013 13:15:37 +0200 Message-ID: <20130626111537.GR27083@manwe> References: <1372238906-9346-19-git-send-email-hdoyu@nvidia.com> <20130626110626.GO27083@manwe> <20130626.140906.1216615781918366349.hdoyu@nvidia.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="Q8a9NmTVi5AMeZ2v" Return-path: Content-Disposition: inline In-Reply-To: <20130626.140906.1216615781918366349.hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Hiroshi Doyu Cc: "iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org" , "linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" List-Id: linux-tegra@vger.kernel.org --Q8a9NmTVi5AMeZ2v Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jun 26, 2013 at 01:09:06PM +0200, Hiroshi Doyu wrote: > Thierry Reding wrote @ Wed, 26 Jun 2013 13:06:= 27 +0200: >=20 > > * PGP Signed by an unknown key > >=20 > > On Wed, Jun 26, 2013 at 12:28:21PM +0300, Hiroshi Doyu wrote: > > > Make PCIe work as it is. IOMMU support can be implemented later. > > >=20 > > > Signed-off-by: Hiroshi Doyu > > > --- > > > drivers/iommu/tegra-smmu.c | 3 +++ > > > 1 file changed, 3 insertions(+) > >=20 > > Can you provide more information about what the problem is here? Why is > > PCIe not working when mapped through the IOMMU? >=20 > I haven't had a code to register PCI device as IOMMU'able as > ops->add_device() does for platform_devices. I'll add this comment. Okay, that should be solved then when we merge the PCIe driver. I hope that can happen soon. Thierry --Q8a9NmTVi5AMeZ2v Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.20 (GNU/Linux) iQIcBAEBAgAGBQJRys1ZAAoJEN0jrNd/PrOhOSYQAMGzs4dTD/mlJ2q8UWGj5+zN mhIxG3mpX9yjJDOCmwyB1bN0V+G7x1NmSkWlh5YQoW0WaRBhPoiVwAiIqbttp9k1 ipHCQr5sIKUBoYftWVLS1CKqM6RDjfGTFbv2mR9qoRftH46lrKlU1JzpQRVp7HJo EO0M28WTtBHxSbJvPL2vkW9LstBYolaRg9lOROSGtC95b7gJIcTFGXxHnobWKEst h88K7w2I/NagVm4LWiy+CHvqzdocp72XjzztRSwt/PbnpaItLtpK9V5wYG8NkwAp 0mYyjAOfKIk83qtu57Y+EgNMWrrINXSFyONo4plzicRzB4Xr0n1qpASisG+kpkik jR7nRujPK7KfoQ6ShgHQ3wHFLbNbAKNVcWBf+OO9vdD+TO5Xqlu5k5tePVdbvPg+ iJ2P6I7GsfcZL4i6eW2SaWr/rK0hnyEDHCdCSHUf3GC9WS5Q5x+ETQ64G6S78Jjt 3V9R8xi9pvSLaK76lK/erRyeAofjVppH5HMiqblL69P4EYacQXTk4MtkZPAStoku /27fQZPc862+8Kw8oCvnlTkqwa7VAdBo70xhY13f1HHGLdDwKdOdg7uEKUguxgZJ opmamQZffXi7DmtLmaNGMVwQ9+DKfI1nTBYevzl9A/PgHysr8S+fzoFCfMJwkdV4 VOzVVJjYTQq6OL4Plge2 =YrJv -----END PGP SIGNATURE----- --Q8a9NmTVi5AMeZ2v--