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[217.229.17.248]) by smtp.gmail.com with ESMTPSA id m16-v6sm1904813wmd.35.2018.10.25.07.30.59 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 25 Oct 2018 07:30:59 -0700 (PDT) Date: Thu, 25 Oct 2018 16:30:58 +0200 From: Thierry Reding To: Dmitry Osipenko Cc: Peter De Schrijver , Jonathan Hunter , Prashant Gaikwad , linux-tegra@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v6 6/8] clk: tegra20: Turn EMC clock gate into divider Message-ID: <20181025143058.GJ21521@ulmo> References: <20181021183052.32023-1-digetx@gmail.com> <20181021183052.32023-7-digetx@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="KjX7LgAomYr70Ka9" Content-Disposition: inline In-Reply-To: <20181021183052.32023-7-digetx@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --KjX7LgAomYr70Ka9 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Oct 21, 2018 at 09:30:50PM +0300, Dmitry Osipenko wrote: > Kernel should never gate the EMC clock as it causes immediate lockup, so > removing clk-gate functionality doesn't affect anything. Turning EMC clk > gate into divider allows to implement glitch-less EMC scaling, avoiding > reparenting to a backup clock. >=20 > Signed-off-by: Dmitry Osipenko > Acked-by: Peter De Schrijver > Acked-by: Stephen Boyd > --- > drivers/clk/tegra/clk-tegra20.c | 36 ++++++++++++++++++++++++--------- > 1 file changed, 26 insertions(+), 10 deletions(-) Applied to for-4.21/clk, thanks. 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