From: Mark Zhang <markz@nvidia.com>
To: Mark Brown <broonie@kernel.org>
Cc: <lgirdwood@gmail.com>, <linux-kernel@vger.kernel.org>,
<linux-tegra@vger.kernel.org>,
Venkat Reddy Talla <vreddytalla@nvidia.com>
Subject: Re: [PATCH 2/2] regulator: max77620: disable notifier events for FPS rails
Date: Fri, 11 Jan 2019 21:35:05 +0800 [thread overview]
Message-ID: <161783bb-2589-c1ae-7efd-1b95f8b8b887@nvidia.com> (raw)
In-Reply-To: <20190110120707.GD9541@sirena.org.uk>
On 1/10/2019 8:07 PM, Mark Brown wrote:
> On Thu, Jan 10, 2019 at 12:11:17PM +0800, Mark Zhang wrote:
>
>> + /* there is no SW control for rails which are part of FPS
>> + * set always no contraint to true to avoid regulator
>> + * enable/disable notification
>> + */
>> + if (pmic->reg_pdata[id].active_fps_src != MAX77620_FPS_SRC_NONE)
>> + rdev->constraints->always_on = true;
>
> A driver should never modify the constraints, you should register a
> different set of operations without an enable operation instead and let
> the framework handle this.
Oh right, today I checked the codes based on your suggestion so I think we don't need this patch now. We can find another way to fix our issue without touching the framework constraints. Thanks.
Mark
>
prev parent reply other threads:[~2019-01-11 13:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-10 4:11 [PATCH 1/2] regulator: max77620: Initialize values for DT properties Mark Zhang
2019-01-10 4:11 ` [PATCH 2/2] regulator: max77620: disable notifier events for FPS rails Mark Zhang
2019-01-10 12:07 ` Mark Brown
2019-01-11 13:35 ` Mark Zhang [this message]
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