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Thu, 24 Sep 2020 01:56:37 -0700 (PDT) Date: Thu, 24 Sep 2020 10:56:35 +0200 From: Thierry Reding To: Sumit Gupta Subject: Re: [Patch 1/2] cpufreq: tegra194: get consistent cpuinfo_cur_freq Message-ID: <20200924085635.GA2483160@ulmo> References: <1600276277-7290-1-git-send-email-sumitg@nvidia.com> <1600276277-7290-2-git-send-email-sumitg@nvidia.com> MIME-Version: 1.0 In-Reply-To: <1600276277-7290-2-git-send-email-sumitg@nvidia.com> User-Agent: Mutt/1.14.7 (2020-08-29) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200924_045642_517560_82F234D2 X-CRM114-Status: GOOD ( 14.84 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pm@vger.kernel.org, viresh.kumar@linaro.org, rjw@rjwysocki.net, linux-kernel@vger.kernel.org, jonathanh@nvidia.com, ksitaraman@nvidia.com, bbasu@nvidia.com, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: multipart/mixed; boundary="===============6310319027213977979==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============6310319027213977979== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="fUYQa+Pmc3FrFX/N" Content-Disposition: inline --fUYQa+Pmc3FrFX/N Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Sep 16, 2020 at 10:41:16PM +0530, Sumit Gupta wrote: > Frequency returned by 'cpuinfo_cur_freq' using counters is not fixed > and keeps changing slightly. This change returns a consistent value > from freq_table. If the reconstructed frequency has acceptable delta > from the last written value, then return the frequency corresponding > to the last written ndiv value from freq_table. Otherwise, print a > warning and return the reconstructed freq. >=20 > Signed-off-by: Sumit Gupta > --- > drivers/cpufreq/tegra194-cpufreq.c | 66 ++++++++++++++++++++++++++++++++= ------ > 1 file changed, 57 insertions(+), 9 deletions(-) Acked-by: Thierry Reding --fUYQa+Pmc3FrFX/N Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAl9sX0EACgkQ3SOs138+ s6FMuA/+Ih0Gjq9RqF+uARwFya4Fbl4De2//YHKptpN6ciYtBJ+7ZAYWC4ghoPi9 BaUXOIc7Fl/tkaRqEF8xaiEf5bk4hL7SiF9Wv8Z5oH8rssXDOD880JaFYMZwkzB1 cx3etG2Ba1hrBypYf4gw2rOYqb1y/vuq+JfQMNVmk/cJ9dMZXRUZV32BFcT9pxf1 RXSDE1QUsRsAmcZC3izMwdwuroVud6hvecYhhG1YFTfkrt6B07sw2J91wHlN7VTD uhU7Dq5KPCcmFcWjboMrlfDyFEjO7/GblWUb56TW5za7MJAJ44R2+sTOAxIfU2Tc 2of/32xLb7k0GbSHNBd+M0eRBGmboh61SaPP0N1RuIuSAqBqIdDBaT+ng8wJ2T7G OwnJotuBTAXHvU0Gr7rWiZfDssYmtsbh1BZfmfaWEme55yHD5BUi6enfn1r/AdRH dMV7jjehFKcWLA8O0RB0R3Q7UJVAAfzuAcNkX2IkEMiauf36cf4O/JoIkE51/fLH kDqZtAm8NEYL51wmF+B2Kl34WG3SLTiRpKS5YNAJ1OmlXdDEBm3+YuOsD8vS/Vv2 oam1yluD8MqUBNH0YYxUUA6pM+XSJDQCXe7pm+0Tz/oMfA9n48Fvta66V1tA8Gvn wbOs2lscpafHoUwSqb2A388VusWTEv1/wgLsARP1togZVMpDsXY= =zup6 -----END PGP SIGNATURE----- --fUYQa+Pmc3FrFX/N-- --===============6310319027213977979== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============6310319027213977979==--