From: Peter De Schrijver <pdeschrijver@nvidia.com>
To: Lucas Stach <l.stach@pengutronix.de>
Cc: Thierry Reding <thierry.reding@gmail.com>,
"linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>,
Stephen Warren <swarren@wwwdotorg.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Mikko Perttunen <mperttunen@nvidia.com>,
"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
"tj@kernel.org" <tj@kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 6/9] ARM: tegra: Export tegra_powergate_power_on
Date: Wed, 9 Jul 2014 14:20:23 +0300 [thread overview]
Message-ID: <20140709112023.GH23218@tbergstrom-lnx.Nvidia.com> (raw)
In-Reply-To: <1404901907.5766.3.camel@weser.hi.pengutronix.de>
On Wed, Jul 09, 2014 at 12:31:47PM +0200, Lucas Stach wrote:
> >
> You could also take the easy way out and enable all power domains by
> default. So drivers won't be able to disable the power domain on old
> DTBs where they aren't hooked up, but the will continue to function
> without calling into the old Tegra specific power domain code.
>
If the bootloader turned some domains off, the kernel would have to turn them
back on again. However that requires knowledge about the clocks and resets of
the peripherals in the domain.
Cheers,
Peter.
WARNING: multiple messages have this Message-ID (diff)
From: pdeschrijver@nvidia.com (Peter De Schrijver)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 6/9] ARM: tegra: Export tegra_powergate_power_on
Date: Wed, 9 Jul 2014 14:20:23 +0300 [thread overview]
Message-ID: <20140709112023.GH23218@tbergstrom-lnx.Nvidia.com> (raw)
In-Reply-To: <1404901907.5766.3.camel@weser.hi.pengutronix.de>
On Wed, Jul 09, 2014 at 12:31:47PM +0200, Lucas Stach wrote:
> >
> You could also take the easy way out and enable all power domains by
> default. So drivers won't be able to disable the power domain on old
> DTBs where they aren't hooked up, but the will continue to function
> without calling into the old Tegra specific power domain code.
>
If the bootloader turned some domains off, the kernel would have to turn them
back on again. However that requires knowledge about the clocks and resets of
the peripherals in the domain.
Cheers,
Peter.
next prev parent reply other threads:[~2014-07-09 11:20 UTC|newest]
Thread overview: 173+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-04 11:32 [PATCH 0/9] Serial ATA support for NVIDIA Tegra124 Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
2014-06-04 11:32 ` [PATCH 1/9] of: Add NVIDIA Tegra SATA controller binding Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
2014-06-16 21:55 ` Stephen Warren
2014-06-16 21:55 ` Stephen Warren
2014-06-04 11:32 ` [PATCH 2/9] ARM: tegra: Add SATA controller to Tegra124 device tree Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
2014-06-04 11:32 ` [PATCH 3/9] ARM: tegra: Add SATA and SATA power to Jetson TK1 " Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
[not found] ` <1401881559-18469-4-git-send-email-mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-06-16 21:58 ` Stephen Warren
2014-06-16 21:58 ` Stephen Warren
2014-06-16 21:58 ` Stephen Warren
2014-06-04 11:32 ` [PATCH 4/9] clk: tegra: Enable hardware control of SATA PLL Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
2014-06-16 21:49 ` Stephen Warren
2014-06-16 21:49 ` Stephen Warren
2014-06-17 9:59 ` Peter De Schrijver
2014-06-17 9:59 ` Peter De Schrijver
2014-06-17 9:59 ` Peter De Schrijver
2014-06-04 11:32 ` [PATCH 5/9] clk: tegra: Add SATA clocks to Tegra124 initialization table Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
2014-06-04 11:32 ` [PATCH 6/9] ARM: tegra: Export tegra_powergate_power_on Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
[not found] ` <1401881559-18469-7-git-send-email-mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-06-16 22:01 ` Stephen Warren
2014-06-16 22:01 ` Stephen Warren
2014-06-16 22:01 ` Stephen Warren
2014-06-17 12:13 ` Thierry Reding
2014-06-17 12:13 ` Thierry Reding
2014-06-17 12:28 ` Mikko Perttunen
2014-06-17 12:28 ` Mikko Perttunen
2014-06-17 12:28 ` Mikko Perttunen
2014-06-17 14:01 ` Peter De Schrijver
2014-06-17 14:01 ` Peter De Schrijver
2014-06-17 14:01 ` Peter De Schrijver
2014-06-17 21:51 ` Thierry Reding
2014-06-17 21:51 ` Thierry Reding
2014-06-17 21:51 ` Thierry Reding
2014-06-18 12:18 ` Peter De Schrijver
2014-06-18 12:18 ` Peter De Schrijver
2014-06-18 12:18 ` Peter De Schrijver
2014-06-18 15:37 ` Stephen Warren
2014-06-18 15:37 ` Stephen Warren
2014-06-18 15:37 ` Stephen Warren
2014-06-19 8:02 ` Peter De Schrijver
2014-06-19 8:02 ` Peter De Schrijver
2014-06-19 8:02 ` Peter De Schrijver
2014-06-19 8:36 ` Peter De Schrijver
2014-06-19 8:36 ` Peter De Schrijver
2014-06-19 8:36 ` Peter De Schrijver
2014-06-19 16:01 ` Stephen Warren
2014-06-19 16:01 ` Stephen Warren
2014-06-19 16:01 ` Stephen Warren
2014-06-23 10:14 ` Peter De Schrijver
2014-06-23 10:14 ` Peter De Schrijver
2014-06-23 10:14 ` Peter De Schrijver
2014-07-08 13:05 ` Thierry Reding
2014-07-08 13:05 ` Thierry Reding
2014-07-08 13:05 ` Thierry Reding
2014-07-08 14:11 ` Peter De Schrijver
2014-07-08 14:11 ` Peter De Schrijver
2014-07-08 14:11 ` Peter De Schrijver
2014-07-09 6:31 ` Thierry Reding
2014-07-09 6:31 ` Thierry Reding
2014-07-09 6:31 ` Thierry Reding
2014-07-09 8:33 ` Peter De Schrijver
2014-07-09 8:33 ` Peter De Schrijver
2014-07-09 8:33 ` Peter De Schrijver
[not found] ` <20140709083311.GE23218-Rysk9IDjsxmJz7etNGeUX8VPkgjIgRvpAL8bYrjMMd8@public.gmane.org>
2014-07-09 10:25 ` Thierry Reding
2014-07-09 10:25 ` Thierry Reding
2014-07-09 10:25 ` Thierry Reding
2014-07-09 10:31 ` Lucas Stach
2014-07-09 10:31 ` Lucas Stach
2014-07-09 10:31 ` Lucas Stach
2014-07-09 11:20 ` Peter De Schrijver [this message]
2014-07-09 11:20 ` Peter De Schrijver
2014-07-09 11:20 ` Peter De Schrijver
2014-07-09 11:08 ` Peter De Schrijver
2014-07-09 11:08 ` Peter De Schrijver
2014-07-09 11:08 ` Peter De Schrijver
[not found] ` <20140709110816.GF23218-Rysk9IDjsxmJz7etNGeUX8VPkgjIgRvpAL8bYrjMMd8@public.gmane.org>
2014-07-09 12:04 ` Thierry Reding
2014-07-09 12:04 ` Thierry Reding
2014-07-09 12:04 ` Thierry Reding
2014-07-09 12:43 ` Peter De Schrijver
2014-07-09 12:43 ` Peter De Schrijver
2014-07-09 12:43 ` Peter De Schrijver
2014-07-09 12:56 ` Thierry Reding
2014-07-09 12:56 ` Thierry Reding
2014-07-09 12:56 ` Thierry Reding
2014-07-09 13:20 ` Peter De Schrijver
2014-07-09 13:20 ` Peter De Schrijver
2014-07-09 13:20 ` Peter De Schrijver
2014-07-09 14:42 ` Thierry Reding
2014-07-09 14:42 ` Thierry Reding
2014-07-09 14:42 ` Thierry Reding
2014-07-09 16:09 ` Peter De Schrijver
2014-07-09 16:09 ` Peter De Schrijver
2014-07-09 16:09 ` Peter De Schrijver
2014-06-04 11:32 ` [PATCH 7/9] ahci: Increase AHCI_MAX_CLKS to 4 Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
[not found] ` <1401881559-18469-8-git-send-email-mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-06-16 22:04 ` Stephen Warren
2014-06-16 22:04 ` Stephen Warren
2014-06-16 22:04 ` Stephen Warren
2014-06-04 11:32 ` [PATCH 8/9] ata: Add support for the Tegra124 SATA controller Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
[not found] ` <1401881559-18469-9-git-send-email-mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-06-05 12:18 ` Rob Herring
2014-06-05 12:18 ` Rob Herring
2014-06-05 12:18 ` Rob Herring
2014-06-05 12:59 ` Mikko Perttunen
2014-06-05 12:59 ` Mikko Perttunen
2014-06-05 12:59 ` Mikko Perttunen
2014-06-16 22:14 ` Stephen Warren
2014-06-16 22:14 ` Stephen Warren
2014-06-16 22:14 ` Stephen Warren
2014-06-17 12:14 ` Bartlomiej Zolnierkiewicz
2014-06-17 12:14 ` Bartlomiej Zolnierkiewicz
2014-06-17 12:14 ` Bartlomiej Zolnierkiewicz
2014-06-17 16:10 ` Stephen Warren
2014-06-17 16:10 ` Stephen Warren
2014-06-17 16:10 ` Stephen Warren
2014-06-17 16:13 ` Tejun Heo
2014-06-17 16:13 ` Tejun Heo
[not found] ` <20140617161320.GG31819-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2014-06-17 16:14 ` Tejun Heo
2014-06-17 16:14 ` Tejun Heo
2014-06-17 16:14 ` Tejun Heo
2014-06-17 16:23 ` Stephen Warren
2014-06-17 16:23 ` Stephen Warren
2014-06-17 16:23 ` Stephen Warren
2014-06-17 16:32 ` Tejun Heo
2014-06-17 16:32 ` Tejun Heo
2014-06-17 17:04 ` Bartlomiej Zolnierkiewicz
2014-06-17 17:04 ` Bartlomiej Zolnierkiewicz
2014-06-17 17:36 ` Mikko Perttunen
2014-06-17 17:36 ` Mikko Perttunen
[not found] ` <53A07CA4.7080206-/1wQRMveznE@public.gmane.org>
2014-06-17 17:37 ` Stephen Warren
2014-06-17 17:37 ` Stephen Warren
2014-06-17 17:37 ` Stephen Warren
2014-06-04 11:32 ` [PATCH 9/9] ARM: tegra: Add options for Tegra AHCI support to tegra_defconfig Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
2014-06-04 11:32 ` Mikko Perttunen
[not found] ` <1401881559-18469-1-git-send-email-mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-06-05 17:29 ` [PATCH 0/9] Serial ATA support for NVIDIA Tegra124 Stephen Warren
2014-06-05 17:29 ` Stephen Warren
2014-06-05 17:29 ` Stephen Warren
[not found] ` <5390A8F9.2090408-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2014-06-06 6:27 ` Mikko Perttunen
2014-06-06 6:27 ` Mikko Perttunen
2014-06-06 6:27 ` Mikko Perttunen
2014-06-06 7:11 ` Thierry Reding
2014-06-06 7:11 ` Thierry Reding
2014-06-06 7:11 ` Thierry Reding
2014-06-06 7:18 ` Mikko Perttunen
2014-06-06 7:18 ` Mikko Perttunen
2014-06-06 7:18 ` Mikko Perttunen
[not found] ` <53915F3B.6050806-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-06-09 18:33 ` Stephen Warren
2014-06-09 18:33 ` Stephen Warren
2014-06-09 18:33 ` Stephen Warren
[not found] ` <5395FE0E.80105-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2014-06-09 18:49 ` Mikko Perttunen
2014-06-09 18:49 ` Mikko Perttunen
2014-06-09 18:49 ` Mikko Perttunen
[not found] ` <539601B4.1010707-/1wQRMveznE@public.gmane.org>
2014-07-08 13:08 ` Thierry Reding
2014-07-08 13:08 ` Thierry Reding
2014-07-08 13:08 ` Thierry Reding
2014-07-08 13:34 ` Mikko Perttunen
2014-07-08 13:34 ` Mikko Perttunen
2014-07-08 13:34 ` Mikko Perttunen
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