From: Thierry Reding <thierry.reding@gmail.com>
To: Dmitry Osipenko <digetx@gmail.com>
Cc: Jon Hunter <jonathanh@nvidia.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>, Joseph Lo <josephl@nvidia.com>,
devicetree@vger.kernel.org, linux-tegra@vger.kernel.org,
linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v5 3/8] clk: tegra: Implement Tegra210 EMC clock
Date: Mon, 23 Mar 2020 12:06:12 +0100 [thread overview]
Message-ID: <20200323110612.GE3883508@ulmo> (raw)
In-Reply-To: <3b583202-50d0-145c-d60f-91bd646008ad@gmail.com>
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On Tue, Mar 10, 2020 at 07:29:42PM +0300, Dmitry Osipenko wrote:
> 10.03.2020 18:19, Thierry Reding пишет:
> > From: Joseph Lo <josephl@nvidia.com>
> >
> > The EMC clock needs to carefully coordinate with the EMC controller
> > programming to make sure external memory can be properly clocked. Do so
> > by hooking up the EMC clock with an EMC provider that will specify which
> > rates are supported by the EMC and provide a callback to use for setting
> > the clock rate at the EMC.
> >
> > Based on work by Peter De Schrijver <pdeschrijver@nvidia.com>.
> >
> > Signed-off-by: Joseph Lo <josephl@nvidia.com>
> > Signed-off-by: Thierry Reding <treding@nvidia.com>
> > ---
> > Changes in v5:
> > - major rework and cleanup
>
> ...
> > +EXPORT_SYMBOL_GPL(tegra210_clk_emc_attach);
> > +
> > +void tegra210_clk_emc_detach(struct clk *clk)
> > +{
> > + struct tegra210_clk_emc *emc = to_tegra210_clk_emc(__clk_get_hw(clk));
> > +
> > + emc->provider = NULL;
> > +}
> > +EXPORT_SYMBOL_GPL(tegra210_clk_emc_detach);...
> > +config TEGRA210_EMC
> > + bool "NVIDIA Tegra210 External Memory Controller driver"
>
>
> I'd remove all the exports for now, given that the driver is built-in.
I was able to make the driver work as a loadable module, so I've kept
the exports where needed and made TEGRA210_EMC tristate.
Thierry
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next prev parent reply other threads:[~2020-03-23 11:06 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-10 15:19 [PATCH v5 0/8] Add EMC scaling support for Tegra210 Thierry Reding
2020-03-10 15:19 ` [PATCH v5 1/8] clk: tegra: Add PLLP_UD and PLLMB_UD " Thierry Reding
2020-03-10 16:19 ` Dmitry Osipenko
2020-03-10 17:05 ` Thierry Reding
2020-03-10 17:50 ` Dmitry Osipenko
2020-03-10 15:19 ` [PATCH v5 2/8] clk: tegra: Export functions for EMC clock scaling Thierry Reding
2020-03-10 16:13 ` Dmitry Osipenko
2020-03-10 16:16 ` Dmitry Osipenko
2020-03-10 17:08 ` Thierry Reding
2020-03-10 17:06 ` Thierry Reding
2020-03-10 15:19 ` [PATCH v5 3/8] clk: tegra: Implement Tegra210 EMC clock Thierry Reding
2020-03-10 16:26 ` Dmitry Osipenko
2020-03-10 17:10 ` Thierry Reding
2020-03-10 16:29 ` Dmitry Osipenko
2020-03-23 11:06 ` Thierry Reding [this message]
2020-03-10 16:55 ` Dmitry Osipenko
2020-03-23 11:05 ` Thierry Reding
2020-03-23 13:14 ` Dmitry Osipenko
2020-03-10 17:03 ` Dmitry Osipenko
2020-03-23 11:02 ` Thierry Reding
2020-03-10 17:44 ` Dmitry Osipenko
2020-03-23 11:00 ` Thierry Reding
2020-03-23 13:21 ` Dmitry Osipenko
2020-03-10 15:19 ` [PATCH v5 4/8] dt-bindings: memory: tegra: Add external memory controller binding for Tegra210 Thierry Reding
2020-03-10 16:35 ` Dmitry Osipenko
2020-03-10 17:12 ` Thierry Reding
2020-03-10 18:38 ` Rob Herring
2020-03-23 10:35 ` Thierry Reding
2020-03-10 15:20 ` [PATCH v5 6/8] memory: tegra: Add EMC scaling sequence code " Thierry Reding
2020-03-10 15:20 ` [PATCH v5 7/8] arm64: tegra: Add external memory controller node " Thierry Reding
2020-03-10 15:20 ` [PATCH v5 8/8] clk: tegra: Remove the old emc_mux clock " Thierry Reding
[not found] ` <20200310152003.2945170-6-thierry.reding@gmail.com>
2020-03-10 16:43 ` [PATCH v5 5/8] memory: tegra: Add EMC scaling support code " Dmitry Osipenko
2020-03-10 17:13 ` Thierry Reding
2020-03-11 0:25 ` Dmitry Osipenko
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