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[46.91.239.54]) by smtp.gmail.com with ESMTPSA id a5sm3055755wrt.10.2019.05.09.07.24.27 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 09 May 2019 07:24:27 -0700 (PDT) Date: Thu, 9 May 2019 16:24:26 +0200 From: Thierry Reding To: Manikanta Maddireddy Cc: bhelgaas@google.com, robh+dt@kernel.org, mark.rutland@arm.com, jonathanh@nvidia.com, lorenzo.pieralisi@arm.com, vidyas@nvidia.com, linux-tegra@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH V2 17/28] PCI: tegra: Fix PLLE power down issue due to CLKREQ# signal Message-ID: <20190509142426.GN8907@ulmo> References: <20190423092825.759-1-mmaddireddy@nvidia.com> <20190423092825.759-18-mmaddireddy@nvidia.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="2+jOUFLb7N+7fooZ" Content-Disposition: inline In-Reply-To: <20190423092825.759-18-mmaddireddy@nvidia.com> User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org --2+jOUFLb7N+7fooZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Apr 23, 2019 at 02:58:14PM +0530, Manikanta Maddireddy wrote: > Disable controllers which failed to link up and configure CLKREQ# signals > of these controllers as GPIO. This is required to avoid CLKREQ# signal of > inactive controllers interfering with PLLE power down sequence. >=20 > PCIE_CLKREQ_GPIO bits are defined only in Tegra186, however programming > these bits in other SoCs doesn't cause any side effects. Program these > bits for all Tegra SoCs to avoid conditional check. >=20 > Signed-off-by: Manikanta Maddireddy > --- > V2: Corrected the comment in driver >=20 > drivers/pci/controller/pci-tegra.c | 13 ++++++++++++- > 1 file changed, 12 insertions(+), 1 deletion(-) Acked-by: Thierry Reding --2+jOUFLb7N+7fooZ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAlzUOBoACgkQ3SOs138+ s6FxQg/9GCN23PoKSSVWK6D1A6kDYJxTlVQHCvhRE1I8SGKzUdmBGcsZ90xwqrUg m6AF06HCEFxgXOJAbg9bF9+jwXxom42/C9x8mJ3lq5hXH2vfZvwPZjtUdzc7IcNp K8C4tLb9fGKcZlPR1AFZuUf2eC6M2WQQtnKrJEr17C+ngdAS0K7b0+1vfzBCHClx hJy2aYXus4PYne0EwHI990ycRyPSk/MDD/SKlwu8K0TVcVfWWtW0ahio0jhnt42K cBXLTymRTGk98Gnrp4MunSt3N7QO5A42LMgB2zko6vv9oSHxrf41cggO1x1cSCS3 a0wtLq0REUz2cisatxsNNeVYWTvD9aLeYEti301JqzPHq9MIOa6jIeuTlHKfrpqJ Ft2P0G6ZfdDydQ9AOBAT/S1LVRGEVsyQwbKKT4a9/6oxuPgWxCl+aTDpjRBezhFy HuSR2oW4Qwoj99A3ZlFvp1wYIduIeU0Bv69O2YyU+Xr9NuGNXGp3XRrJWL9UqiWz Az74oT3ooNUVM4684HSMmR6paZ0mIpz7UxtOn55Z43xyWPqPB4Pa5wUda2tc9oYF tlHQnFtip+2MVbheGZaREowd4FEVWkG504jnbyIVGt63HhI1ErHiNfoDEOOEBUIh C8fQ9PFFCsDnqrzW/tQdkzFvQ2jzNWJOUCRO2YfzOabV8XzbEK0= =YoN5 -----END PGP SIGNATURE----- --2+jOUFLb7N+7fooZ--