From: Andrew Bresticker <abrestic-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
To: Tuomas Tynkkynen <ttynkkynen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: Thierry Reding
<thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Peter De Schrijver
<pdeschrijver-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
Viresh Kumar
<viresh.kumar-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
"linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Linux Kernel Mailing List
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
"linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>,
Prashant Gaikwad
<pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
Mike Turquette
<mturquette-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
"Rafael J. Wysocki" <rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org>,
"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 12/13] cpufreq: Add cpufreq driver for Tegra124
Date: Fri, 11 Jul 2014 09:33:47 -0700 [thread overview]
Message-ID: <CAL1qeaGOW8U6B0rLvFZKLzoZviMZwWJcfmXdmgZA329Mmvy_Ow@mail.gmail.com> (raw)
In-Reply-To: <53C002BE.90805-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
On Fri, Jul 11, 2014 at 8:29 AM, Tuomas Tynkkynen <ttynkkynen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> wrote:
>
> On the hardware level, the two I2C controllers sharing the same pins
> have knowledge of each other and won't start transmitting if the bus
> is busy (something different from the usual I2C arbitration, that is).
> I guess on the kernel side there could be a problem if the voltage register
> is marked cached in the PMIC driver's regmap.
Yeah, in our tree we have a hack to disable regcache for SD0_VOLTAGE.
Other than the value reported to userspace being wrong, leaving it as
cacheable shouldn't be an issue if no other drivers try to read/write
that register.
--
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next prev parent reply other threads:[~2014-07-11 16:33 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-10 21:42 [PATCH 00/13] Tegra124 CL-DVFS / DFLL clocksource, plus cpufreq Tuomas Tynkkynen
2014-07-10 21:42 ` [PATCH 01/13] clk: tegra: Add binding for the Tegra124 DFLL clocksource Tuomas Tynkkynen
2014-07-11 16:28 ` Andrew Bresticker
[not found] ` <CAL1qeaFF0ZpUFovxTuLXrBPRg2Lbf-754Z=ztD5HFZPbfnDsAw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-07-11 16:48 ` Tuomas Tynkkynen
2014-07-11 17:08 ` Andrew Bresticker
[not found] ` <CAL1qeaHETQ7kSGNjPiwi_9WNMtr9qZp0KwjZCCxY29+_N4AcuA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-07-11 17:21 ` Tuomas Tynkkynen
2014-07-14 8:38 ` Thierry Reding
2014-07-14 9:12 ` Mark Brown
[not found] ` <20140714091233.GC6800-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-07-14 9:24 ` Thierry Reding
2014-07-14 10:22 ` Mark Brown
2014-07-15 20:23 ` Tuomas Tynkkynen
[not found] ` <53C58DCB.90502-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-07-15 22:52 ` Mark Brown
2014-07-16 8:01 ` Thierry Reding
2014-07-16 11:00 ` Mark Brown
2014-07-10 21:42 ` [PATCH 02/13] clk: tegra: Add library for the DFLL clock source (open-loop mode) Tuomas Tynkkynen
2014-07-10 21:42 ` [PATCH 03/13] clk: tegra: Add closed loop support for the DFLL Tuomas Tynkkynen
2014-07-10 21:42 ` [PATCH 04/13] clk: tegra: Add functions for parsing CVB tables Tuomas Tynkkynen
2014-07-10 21:42 ` [PATCH 05/13] clk: tegra: Add DFLL DVCO reset control for Tegra124 Tuomas Tynkkynen
2014-07-10 21:42 ` [PATCH 06/13] clk: tegra: Add Tegra124 DFLL clocksource platform driver Tuomas Tynkkynen
2014-07-10 21:42 ` [PATCH 07/13] clk: tegra: Save/restore CCLKG_BURST_POLICY on suspend Tuomas Tynkkynen
2014-07-10 21:42 ` [PATCH 08/13] clk: tegra: Add the DFLL as a possible parent of the cclk_g clock Tuomas Tynkkynen
2014-07-10 21:42 ` [PATCH 09/13] ARM: tegra: Add the DFLL to Tegra124 device tree Tuomas Tynkkynen
[not found] ` <1405028569-14253-1-git-send-email-ttynkkynen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-07-10 21:42 ` [PATCH 10/13] ARM: tegra: Enable the DFLL on the Jetson TK1 Tuomas Tynkkynen
2014-07-11 7:14 ` Mikko Perttunen
2014-07-10 21:42 ` [PATCH 12/13] cpufreq: Add cpufreq driver for Tegra124 Tuomas Tynkkynen
[not found] ` <1405028569-14253-13-git-send-email-ttynkkynen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-07-11 4:35 ` Viresh Kumar
[not found] ` <CAKohpom9ORXFiUU4=V+CxgN0ZOFLMEhEjHiU8HsYUYDybNXgHQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-07-11 9:12 ` Peter De Schrijver
2014-07-11 9:14 ` Viresh Kumar
[not found] ` <20140711091207.GY23218-Rysk9IDjsxmJz7etNGeUX8VPkgjIgRvpAL8bYrjMMd8@public.gmane.org>
2014-07-11 14:57 ` Thierry Reding
2014-07-11 15:11 ` Tuomas Tynkkynen
2014-07-11 15:15 ` Thierry Reding
2014-07-11 15:29 ` Tuomas Tynkkynen
[not found] ` <53C002BE.90805-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-07-11 16:33 ` Andrew Bresticker [this message]
2014-07-11 14:14 ` Tuomas Tynkkynen
[not found] ` <53BFF132.3020700-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-07-11 14:37 ` Viresh Kumar
2014-07-11 15:32 ` [PATCH 00/13] Tegra124 CL-DVFS / DFLL clocksource, plus cpufreq Mike Turquette
2014-07-10 21:42 ` [PATCH 11/13] cpufreq: tegra124: Add device tree bindings Tuomas Tynkkynen
2014-07-10 21:42 ` [PATCH 13/13] ARM: tegra: Add entries for cpufreq on Tegra124 Tuomas Tynkkynen
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