From: Thierry Reding <thierry.reding@gmail.com>
To: Peter De Schrijver <pdeschrijver@nvidia.com>
Cc: "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: Tue, 17 Jun 2014 23:51:20 +0200 [thread overview]
Message-ID: <20140617215119.GC24743@mithrandir> (raw)
In-Reply-To: <20140617140146.GH3407@tbergstrom-lnx.Nvidia.com>
[-- Attachment #1.1: Type: text/plain, Size: 1249 bytes --]
On Tue, Jun 17, 2014 at 05:01:46PM +0300, Peter De Schrijver wrote:
> On Tue, Jun 17, 2014 at 02:13:15PM +0200, Thierry Reding wrote:
> > * PGP Signed by an unknown key
> >
> > On Mon, Jun 16, 2014 at 04:01:02PM -0600, Stephen Warren wrote:
> > > On 06/04/2014 05:32 AM, Mikko Perttunen wrote:
> > > > This symbol needs to be exported to power on rails without using
> > > > tegra_powergate_sequence_power_up. tegra_powergate_sequence_power_up
> > > > cannot be used in situations where the driver wants to handle clocking
> > > > by itself.
> > >
> > > Thierry, are you OK with this change?
> >
> > I would've preferred tegra_powergate_sequence_power_up() to be used
>
> I don't think the current tegra_powergate_sequence_power_up() API is very well
> defined though. I don't think the clocks and resets required by the sequence
> should be provided by the driver. For one, there can be several clocks and
> resets that need to be controlled for a single domain.
Do you have any suggestions for what the API should look like? Even if
we plan to move to some different API, I think there's some advantage in
using it consistently if for no other reason than to make it easier to
replace occurrences later on.
Thierry
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WARNING: multiple messages have this Message-ID (diff)
From: Thierry Reding <thierry.reding@gmail.com>
To: Peter De Schrijver <pdeschrijver@nvidia.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>,
Mikko Perttunen <mperttunen@nvidia.com>,
"tj@kernel.org" <tj@kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
"linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>
Subject: Re: [PATCH 6/9] ARM: tegra: Export tegra_powergate_power_on
Date: Tue, 17 Jun 2014 23:51:20 +0200 [thread overview]
Message-ID: <20140617215119.GC24743@mithrandir> (raw)
In-Reply-To: <20140617140146.GH3407@tbergstrom-lnx.Nvidia.com>
[-- Attachment #1: Type: text/plain, Size: 1249 bytes --]
On Tue, Jun 17, 2014 at 05:01:46PM +0300, Peter De Schrijver wrote:
> On Tue, Jun 17, 2014 at 02:13:15PM +0200, Thierry Reding wrote:
> > * PGP Signed by an unknown key
> >
> > On Mon, Jun 16, 2014 at 04:01:02PM -0600, Stephen Warren wrote:
> > > On 06/04/2014 05:32 AM, Mikko Perttunen wrote:
> > > > This symbol needs to be exported to power on rails without using
> > > > tegra_powergate_sequence_power_up. tegra_powergate_sequence_power_up
> > > > cannot be used in situations where the driver wants to handle clocking
> > > > by itself.
> > >
> > > Thierry, are you OK with this change?
> >
> > I would've preferred tegra_powergate_sequence_power_up() to be used
>
> I don't think the current tegra_powergate_sequence_power_up() API is very well
> defined though. I don't think the clocks and resets required by the sequence
> should be provided by the driver. For one, there can be several clocks and
> resets that need to be controlled for a single domain.
Do you have any suggestions for what the API should look like? Even if
we plan to move to some different API, I think there's some advantage in
using it consistently if for no other reason than to make it easier to
replace occurrences later on.
Thierry
[-- Attachment #2: Type: application/pgp-signature, Size: 836 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: thierry.reding@gmail.com (Thierry Reding)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 6/9] ARM: tegra: Export tegra_powergate_power_on
Date: Tue, 17 Jun 2014 23:51:20 +0200 [thread overview]
Message-ID: <20140617215119.GC24743@mithrandir> (raw)
In-Reply-To: <20140617140146.GH3407@tbergstrom-lnx.Nvidia.com>
On Tue, Jun 17, 2014 at 05:01:46PM +0300, Peter De Schrijver wrote:
> On Tue, Jun 17, 2014 at 02:13:15PM +0200, Thierry Reding wrote:
> > * PGP Signed by an unknown key
> >
> > On Mon, Jun 16, 2014 at 04:01:02PM -0600, Stephen Warren wrote:
> > > On 06/04/2014 05:32 AM, Mikko Perttunen wrote:
> > > > This symbol needs to be exported to power on rails without using
> > > > tegra_powergate_sequence_power_up. tegra_powergate_sequence_power_up
> > > > cannot be used in situations where the driver wants to handle clocking
> > > > by itself.
> > >
> > > Thierry, are you OK with this change?
> >
> > I would've preferred tegra_powergate_sequence_power_up() to be used
>
> I don't think the current tegra_powergate_sequence_power_up() API is very well
> defined though. I don't think the clocks and resets required by the sequence
> should be provided by the driver. For one, there can be several clocks and
> resets that need to be controlled for a single domain.
Do you have any suggestions for what the API should look like? Even if
we plan to move to some different API, I think there's some advantage in
using it consistently if for no other reason than to make it easier to
replace occurrences later on.
Thierry
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next prev parent reply other threads:[~2014-06-17 21:51 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 [this message]
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
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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