From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-bk0-f42.google.com ([209.85.214.42]:49501 "EHLO mail-bk0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752741Ab3K2PBf (ORCPT ); Fri, 29 Nov 2013 10:01:35 -0500 Date: Fri, 29 Nov 2013 16:00:47 +0100 From: Thierry Reding To: Bjorn Helgaas Cc: Eric Brower , linux-pci@vger.kernel.org, swarren@wwwdotorg.org, linux-tegra@vger.kernel.org Subject: Re: [PATCH] PCI: Disable Gen2 for Tegra20 and Tegra30 Message-ID: <20131129150046.GL9712@ulmo.nvidia.com> References: <1384815306-3149-1-git-send-email-ebrower@nvidia.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="CqfQkoYPE/jGoa5Q" In-Reply-To: <1384815306-3149-1-git-send-email-ebrower@nvidia.com> Sender: linux-pci-owner@vger.kernel.org List-ID: --CqfQkoYPE/jGoa5Q Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Nov 18, 2013 at 02:55:06PM -0800, Eric Brower wrote: > Tegra20 and Tegra30 do not support gen2 PCIe, so correct the > register setting to disable it. >=20 > Signed-off-by: Eric Brower > --- > drivers/pci/host/pci-tegra.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >=20 > diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c > index 0afbbbc..b8ba2f7 100644 > --- a/drivers/pci/host/pci-tegra.c > +++ b/drivers/pci/host/pci-tegra.c > @@ -805,7 +805,7 @@ static int tegra_pcie_enable_controller(struct tegra_= pcie *pcie) > afi_writel(pcie, value, AFI_PCIE_CONFIG); > =20 > value =3D afi_readl(pcie, AFI_FUSE); > - value &=3D ~AFI_FUSE_PCIE_T0_GEN2_DIS; > + value |=3D AFI_FUSE_PCIE_T0_GEN2_DIS; > afi_writel(pcie, value, AFI_FUSE); > =20 > /* initialize internal PHY, enable up to 16 PCIE lanes */ Bjorn: can you pick this up directly or would you rather have me prepare a branch? It's the only one for Tegra so far, so a branch wouldn't be all that useful. In case you want to pick it up directly: Acked-by: Thierry Reding --CqfQkoYPE/jGoa5Q Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIcBAEBAgAGBQJSmKweAAoJEN0jrNd/PrOhEsEQAJXHHFNKNHmUfx7ptV8ZWxjV UUgsge38AIpPJw61EPcNSlRiCEW2g7UbnEZLGfIoKO4iRMZln7NyZMTpP2KmAXDa /FIMcSr3J2L5Iml4gCMNqbdCPsfpEcGB+U5wcP2MlADFYhx8X2kn5tAveHzY0ztX 4kIynzCEJ0knfruMu4SBZeWBYdh7IjlMGeRw6nZXxzTZBDw6Y77mj4WHIDtcoOOr MG0Dlnp2dDgNRGviRbCM/vsQPSEThXoNbAeLXJtlGYJnc9R6aY4u6BnveMM5dOYF eGcT4WFuV7via/bBX/iNLN4MBQHQi0+gspt5MzHzap9vpg8bK1ZrL987ljJP/jVp 5MnkRZ1wpf1L66fHeR7+ax3bbPJ43KsLynQmECNLlEzabzf8YaUQ1qm/vS++3bdZ uXP16ctkPzTLvtk06PNkAcJ/BxtQR11CQ48hjnMR78caMzUGBRKO+sSHQ3WH3GRq z5KUpJbhno7W08mySwryOv8M0Pvi9OWJ4wCEeH73j04KeByQehApclrJfh7g5HXZ Th+kH3GZz4l7Yv34GAHcGyb5rqH+P7BPthY2tKv0HS8XCXWrOLEJMMNjmvS54Aq/ iSHs71JbMJ7xoRSzFryIDSHtRVT6lsuGbapdtnt3NkJhow+dxeR0Q1j+4wsUr4y4 g3qXC8lgbSZe593fZI7D =Aqts -----END PGP SIGNATURE----- --CqfQkoYPE/jGoa5Q--