From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: Re: [PATCH v8 08/21] clk: tegra: periph: Add restore_context support Date: Mon, 12 Aug 2019 11:50:35 +0200 Message-ID: <20190812095035.GG8903@ulmo> References: <1565308020-31952-1-git-send-email-skomatineni@nvidia.com> <1565308020-31952-9-git-send-email-skomatineni@nvidia.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="0qt3EE9wi45a2ZFX" Return-path: Content-Disposition: inline In-Reply-To: <1565308020-31952-9-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 --0qt3EE9wi45a2ZFX Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Aug 08, 2019 at 04:46:47PM -0700, Sowjanya Komatineni wrote: > This patch implements restore_context support for clk-periph and > clk-sdmmc-mux clock operations to restore clock parent and rates > on system resume. >=20 > During system suspend, core power goes off and looses the context > of the Tegra clock controller registers. >=20 > So on system resume, clocks parent and rate are restored back to > the context before suspend based on cached data. >=20 > Signed-off-by: Sowjanya Komatineni > --- > drivers/clk/tegra/clk-periph.c | 18 ++++++++++++++++++ > drivers/clk/tegra/clk-sdmmc-mux.c | 12 ++++++++++++ > 2 files changed, 30 insertions(+) Acked-by: Thierry Reding --0qt3EE9wi45a2ZFX Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAl1RNmsACgkQ3SOs138+ s6HEfQ/+JkYMY0To8C0BvVEMjYOAPMPeZFfx7/M8IkLM4JwPwvZw244rHygPAm77 lhurKqNDxH+H9j4UCGHv+h65jojQnYjBr+o7vgX5XObgj77QINiiKDFqW7shzgtl DiYq8icVRt5m7G4S5SurfoYq1iNWfFI63OxwLGMjTl9pGaewRtlDp09QWt/0gs32 Es6aFmFXuJj9hirNLbaIHNpoN6xh1zrkLTTzLIh77DCRwvPVHZLenYpKoCeuPV1w +IYQGpG+uIIQEDGnPcCJrotPTIQ0+V9dKDuavpznm7TuHqacAwJLQiDCVFcssddG kGSINiKeQv2hVgQMY2/PUVkwA5rNa0ClMlTkuQzYXuN/HpjW9hqDxgNtm5xE1Pbi Au/T2Y8ejd+032DrW+E/pKOt8pS9vLXbIol1EOl7XMnjlOprbq85r/hKzIdbVOoz 84IQKIPEZAL3HEe3KkWlOzf3by1j6uCl3L4gUccHQIjCF3WsagRjsGgq+00pm38a yGJ5qMqHt0FYsIw5WiTNCVThqxLdFHBLvm1dOT2s50dWvdmw6yJeY+aWcP4sGC3L U9fd8JFRJ/c3BDBFL4dxtI8EPwc7LpnywrSYxjzjn1ZSkvnkqiqwYWxIPv97tOS8 r7WKKz/v6EfGGVRYYuav/O1x+LNrhi5a9wPtOS8e8JZaJ32fTD8= =ISLx -----END PGP SIGNATURE----- --0qt3EE9wi45a2ZFX--