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[46.91.226.206]) by smtp.gmail.com with ESMTPSA id v11sm2941372wml.30.2019.10.16.09.19.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Oct 2019 09:19:53 -0700 (PDT) Date: Wed, 16 Oct 2019 18:19:52 +0200 From: Thierry Reding To: Vidya Sagar Cc: lorenzo.pieralisi@arm.com, bhelgaas@google.com, robh+dt@kernel.org, jonathanh@nvidia.com, andrew.murray@arm.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kthota@nvidia.com, mmaddireddy@nvidia.com, sagar.tv@gmail.com Subject: Re: [PATCH 2/2] arm64: tegra: Assume no CLKREQ presence by default Message-ID: <20191016161952.GB2526111@ulmo> References: <20191005164212.3646-1-vidyas@nvidia.com> <20191005164212.3646-2-vidyas@nvidia.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="KFztAG8eRSV9hGtP" Content-Disposition: inline In-Reply-To: <20191005164212.3646-2-vidyas@nvidia.com> User-Agent: Mutt/1.12.2 (2019-09-21) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --KFztAG8eRSV9hGtP Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Oct 05, 2019 at 10:12:12PM +0530, Vidya Sagar wrote: > Although Tegra194 has support for CLKREQ sideband signal and P2972 > has routing of the same till the slot, it is the case most of the time > that the connected device doesn't have CLKREQ support. Hence, it makes > sense to assume that there is no CLKREQ support by default and it can > be enabled on need basis when a card with CLKREQ support is connected. >=20 > Signed-off-by: Vidya Sagar > --- > arch/arm64/boot/dts/nvidia/tegra194.dtsi | 6 ------ > 1 file changed, 6 deletions(-) Applied to for-5.5/arm64/dt, thanks. Thierry > diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/d= ts/nvidia/tegra194.dtsi > index a312c051448b..11220d97adb8 100644 > --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi > +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi > @@ -1186,7 +1186,6 @@ > =20 > nvidia,bpmp =3D <&bpmp 1>; > =20 > - supports-clkreq; > nvidia,aspm-cmrt-us =3D <60>; > nvidia,aspm-pwr-on-t-us =3D <20>; > nvidia,aspm-l0s-entrance-latency-us =3D <3>; > @@ -1232,7 +1231,6 @@ > =20 > nvidia,bpmp =3D <&bpmp 2>; > =20 > - supports-clkreq; > nvidia,aspm-cmrt-us =3D <60>; > nvidia,aspm-pwr-on-t-us =3D <20>; > nvidia,aspm-l0s-entrance-latency-us =3D <3>; > @@ -1278,7 +1276,6 @@ > =20 > nvidia,bpmp =3D <&bpmp 3>; > =20 > - supports-clkreq; > nvidia,aspm-cmrt-us =3D <60>; > nvidia,aspm-pwr-on-t-us =3D <20>; > nvidia,aspm-l0s-entrance-latency-us =3D <3>; > @@ -1324,7 +1321,6 @@ > =20 > nvidia,bpmp =3D <&bpmp 4>; > =20 > - supports-clkreq; > nvidia,aspm-cmrt-us =3D <60>; > nvidia,aspm-pwr-on-t-us =3D <20>; > nvidia,aspm-l0s-entrance-latency-us =3D <3>; > @@ -1370,7 +1366,6 @@ > =20 > nvidia,bpmp =3D <&bpmp 0>; > =20 > - supports-clkreq; > nvidia,aspm-cmrt-us =3D <60>; > nvidia,aspm-pwr-on-t-us =3D <20>; > nvidia,aspm-l0s-entrance-latency-us =3D <3>; > @@ -1420,7 +1415,6 @@ > interrupt-map-mask =3D <0 0 0 0>; > interrupt-map =3D <0 0 0 0 &gic GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>; > =20 > - supports-clkreq; > nvidia,aspm-cmrt-us =3D <60>; > nvidia,aspm-pwr-on-t-us =3D <20>; > nvidia,aspm-l0s-entrance-latency-us =3D <3>; > --=20 > 2.17.1 >=20 --KFztAG8eRSV9hGtP Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAl2nQygACgkQ3SOs138+ s6GU5Q/+LV/SE++KyetHQKYMnNis8n7U2swfFXdv1B7ZJkbmd+LW7O2E1lRq8z+1 JJ+KsZwWs3tOXEezWuNL0Q8s5x6y+OrdPJ0GComdlBZ5bXOcQTf4+XbE6tYRwsmp EV8/uSFQr0AHVCJBffDk+IAbPH0tjCWKo7NQkIXTX6Bf4LR5gfYdTkYuiYGFkmPz yissUISHDcM0XGn135Hft6t/fpGiNOGwfBSWr/XsPDsT3WMs7/5UnK0aimMNTQdU Uvz0CCC1dJmNudilYczX3fZ1gJ3kDm/o/ioq3/SZER+xgOkEZG58YBTJP+WJln1R cKQXbCKCex/AQWq1L9FQAt+Rky1+iyuHE6nGLZO8c3k+dYKIQ7rAe4Vz88VyCu34 n6VRr/tYNK6p3aSgWIrOYPI6XmQoT7+KzniccBXkUUTEOV+XnPfP65DEbmJ1cCDl d/X398HrO9O+YOp1A9v7nLf6ksM/yN/nQd2b7zW/CjrMMzRxtfC+7ThI0syMHCsO vHXbgMWi1niBEoVp7Bse6hs2X2VGrbmmdmRD1phA6h+I5uVtW8LL14HuX0WKF5ar VWio3vWpdP2Vy8Z44I+wE8y6ILxBVV0a9aW4KVBM4CvAg3ZvFadDSMkP1oHLoIqj uSYxjyoKeuUWOpxaTkzEQuE/MB+DTZegGjlj1omMSWw9Y4u9n84= =dgRG -----END PGP SIGNATURE----- --KFztAG8eRSV9hGtP--