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Thu, 24 Sep 2020 01:56:51 -0700 (PDT) Date: Thu, 24 Sep 2020 10:56:50 +0200 From: Thierry Reding To: Sumit Gupta Subject: Re: [Patch 2/2] cpufreq: tegra194: Fix unlisted boot freq warning Message-ID: <20200924085650.GB2483160@ulmo> References: <1600276277-7290-1-git-send-email-sumitg@nvidia.com> <1600276277-7290-3-git-send-email-sumitg@nvidia.com> MIME-Version: 1.0 In-Reply-To: <1600276277-7290-3-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_045654_188617_CD92C010 X-CRM114-Status: GOOD ( 16.17 ) 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="===============1894357748679035345==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============1894357748679035345== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="V0207lvV8h4k8FAm" Content-Disposition: inline --V0207lvV8h4k8FAm Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Sep 16, 2020 at 10:41:17PM +0530, Sumit Gupta wrote: > Warning coming during boot because the boot freq set by bootloader > gets filtered out due to big freq steps while creating freq_table. > Fixing this by setting closest ndiv value from freq_table. > Warning: > cpufreq: cpufreq_online: CPU0: Running at unlisted freq > cpufreq: cpufreq_online: CPU0: Unlisted initial frequency changed >=20 > Also, added change in init to wait till current frequency becomes > equal or near to the previously requested frequency. This is done > because it takes some time to restore the previous frequency while > turning-on non-boot cores during exit from SC7(Suspend-to-RAM). >=20 > Signed-off-by: Sumit Gupta > --- > drivers/cpufreq/tegra194-cpufreq.c | 118 +++++++++++++++++++++++++++++++= +++--- > 1 file changed, 111 insertions(+), 7 deletions(-) Acked-by: Thierry Reding --V0207lvV8h4k8FAm Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAl9sX1EACgkQ3SOs138+ s6GGiA/9E37Nq3uNMS/H/CmiUxJqDpYP44ubhyJPYN17A05WDIAnslc0u8H6F5f+ 2OVEVyibvEyXI56oLIZO4k8wQ0ffEw61Fmv7lKriDp1UEv3ZvuIu39X9znliuyVM 1+bSiXkhU4oyabmeN3iDHXa8lC66DPMF2hgLZqWvbYUZNIXIK0iNdw1KeNLTyOgB UlBrOrTEPB81Wa/Yv8UuVvJO8oIYgKuya7hAgSjhOSLkO9q01lTLnf1EDj+1epLF 5XlmYsg04vdxDIboIlzDUsq01Rwm2mfxeDMcHD7zhDgo5euoh4SEVEjWQmf80zhK PWP2A+xnODEzl9l5nGdUYx4cMca4ABmTvWKLeQtMbLwgSBxDV0eSpjEd+SlxuZYU BcHJ6S8Oof3VuHN8zoA3T1S6jjqGayj+zVgJYtfOsJOUMsPQ2YEvXDuBVmPaKmy4 B8JTgOehMnfQ8XB6V6Gu1d/KxJqvnr0rLmR1YNnovOuEImPyiWcKnlEJv9xJI0s6 yXK2VNFmeBXnbNkqeixYxIaN7pUnCdIYIoFrQakOCzqL3V3Ud2N75mykjDDjMvcM YbrP9TkdSyXP5aKY/E1QfHpT11avIFNO+2wa5uQKDAb4HAqNleVfm5LdyvbnR95K lAPZHW6ffHuYXub+TzX5YXf8VS+bVH2lZyYZHAQXTqMb083yoZY= =Hd6C -----END PGP SIGNATURE----- --V0207lvV8h4k8FAm-- --===============1894357748679035345== 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 --===============1894357748679035345==--