From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: Re: [PATCH v8 14/21] clk: tegra210: Add suspend and resume support Date: Mon, 12 Aug 2019 12:17:19 +0200 Message-ID: <20190812101719.GL8903@ulmo> References: <1565308020-31952-1-git-send-email-skomatineni@nvidia.com> <1565308020-31952-15-git-send-email-skomatineni@nvidia.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="3xQkynibq3FKlJyM" Return-path: Content-Disposition: inline In-Reply-To: <1565308020-31952-15-git-send-email-skomatineni@nvidia.com> Sender: linux-kernel-owner@vger.kernel.org To: Sowjanya Komatineni Cc: jonathanh@nvidia.com, tglx@linutronix.de, jason@lakedaemon.net, marc.zyngier@arm.com, linus.walleij@linaro.org, stefan@agner.ch, mark.rutland@arm.com, pdeschrijver@nvidia.com, pgaikwad@nvidia.com, sboyd@kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, jckuo@nvidia.com, josephl@nvidia.com, talho@nvidia.com, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, mperttunen@nvidia.com, spatra@nvidia.com, robh+dt@kernel.org, digetx@gmail.com, devicetree@vger.kernel.org, rjw@rjwysocki.net, viresh.kumar@linaro.org, linux-pm@vger.kernel.org List-Id: devicetree@vger.kernel.org --3xQkynibq3FKlJyM Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Aug 08, 2019 at 04:46:53PM -0700, Sowjanya Komatineni wrote: > This patch adds support for clk: tegra210: suspend-resume. >=20 > All the CAR controller settings are lost on suspend when core > power goes off. >=20 > This patch has implementation for saving and restoring all PLLs > and clocks context during system suspend and resume to have the > clocks back to same state for normal operation. >=20 > Clock driver suspend and resume are registered as syscore_ops as clocks > restore need to happen before the other drivers resume to have all their > clocks back to the same state as before suspend. >=20 > Signed-off-by: Sowjanya Komatineni > --- > drivers/clk/tegra/clk-tegra210.c | 103 +++++++++++++++++++++++++++++++++= ++++-- > drivers/clk/tegra/clk.c | 64 ++++++++++++++++++++++++ > drivers/clk/tegra/clk.h | 3 ++ > 3 files changed, 166 insertions(+), 4 deletions(-) Acked-by: Thierry Reding --3xQkynibq3FKlJyM Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAl1RPK0ACgkQ3SOs138+ s6EALw//YUajBdPK4FtVwcA4OIK8GLJi4rRvPYUFKpGPdKoebx0XvmddXHMql1jz Z/X4hPffkZ3qc7Dk849Dqqkr8pX3FFUKjIrn4HdlNYxXcHzGjtI3/FR5AA3VleFN UcgaqzN248n5VL7QDw1xdwJ/OG1rluR9TbHx/Lqido8ohbGmeebrcSyqs9eeU92R dpFqewgNOyBrr07g3yMgyV/ntGvFqBqjb48PLgZnXNhgt08N5F8P/hypIACSwE3N o0q1GY/J8mzIRFWwOMRkw2I7NkHto07C+lumrq8R0UqtdVYC5j33lnnw6L7BhQcQ ElQpej6y3XAMKTQt74Gf6bM3nYfJyiyh6c0MqGISkQOR5k6pBYXljOJlsIAOL3Qw 8adsNWCiEdaYPH6jWtm9I2PRRl2f2js9rMBla8RUW93e00lcN2JI4jLv/DkM/Rgf 0hiwsEn0UelnV0GlvecbbVMvWElj6OsdtkRprJ0tlu0UD9LEwvnkMlKikiJuFgq5 Bf1F89JCeMGixa+oLU1+R7zsSW5TiHuFcoUJZwB7okUIEN+i/3ZjfHlwh/iWOPx4 NffENeaDzZ/Pt0oMzEjNde9O5ezWXjOcOk5Hvq5b42CWoybtC+SLFV9MTNBYfaZb hHwouuAzg/pvY2TBrNCm10lvbeoYBaINg+HwCcCxLZvUvBsQnEE= =zcts -----END PGP SIGNATURE----- --3xQkynibq3FKlJyM--