From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Maxime Ripard <maxime@cerno.tech>
Cc: "Ondřej Jirman" <megi@xff.cz>,
"Christophe JAILLET" <christophe.jaillet@wanadoo.fr>,
"Vasily Khoruzhick" <anarsoul@gmail.com>,
"Yangtao Li" <tiny.windzz@gmail.com>,
"Rafael J. Wysocki" <rafael@kernel.org>,
"Amit Kucheria" <amitk@kernel.org>,
"Zhang Rui" <rui.zhang@intel.com>, "Chen-Yu Tsai" <wens@csie.org>,
"Jernej Skrabec" <jernej.skrabec@gmail.com>,
"Samuel Holland" <samuel@sholland.org>,
"Philipp Zabel" <p.zabel@pengutronix.de>,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org,
linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-sunxi@lists.linux.dev
Subject: Re: [PATCH v2] thermal/drivers/sun8i: Fix some error handling paths in sun8i_ths_probe()
Date: Tue, 13 Jun 2023 11:17:47 +0200 [thread overview]
Message-ID: <3613a4fb-5c68-4316-0983-7bfeb5755041@linaro.org> (raw)
In-Reply-To: <4j74jv53tdf4n6txibl6xjh63dzzjr3ku3uoxhv3rzodthqbqy@25eho3f7wh6y>
On 13/06/2023 11:16, Maxime Ripard wrote:
> On Tue, Jun 13, 2023 at 10:49:24AM +0200, Daniel Lezcano wrote:
>> On 15/05/2023 14:33, Ondřej Jirman wrote:
>>> Hi Maxime,
>>>
>>> On Mon, May 15, 2023 at 01:54:41PM +0200, Maxime Ripard wrote:
>>>> Hi,
>>>>
>>>> On Sun, May 14, 2023 at 08:46:05PM +0200, Christophe JAILLET wrote:
>>>>> Should an error occur after calling sun8i_ths_resource_init() in the probe
>>>>> function, some resources need to be released, as already done in the
>>>>> .remove() function.
>>>>>
>>>>> Switch to the devm_clk_get_enabled() helper and add a new devm_action to
>>>>> turn sun8i_ths_resource_init() into a fully managed function.
>>>>>
>>>>> Move the place where reset_control_deassert() is called so that the
>>>>> recommended order of reset release/clock enable steps is kept.
>>>>> A64 manual states that:
>>>>>
>>>>> 3.3.6.4. Gating and reset
>>>>>
>>>>> Make sure that the reset signal has been released before the release of
>>>>> module clock gating;
>>>>>
>>>>> This fixes the issue and removes some LoC at the same time.
>>>>
>>>> It should really be three different patches:
>>>> - One to fix the resource release, that can be backported to stable
>>>> releases
>>>> - One to switch to devm_clk_get_enabled
>>>> - and one to change the order of clock enable vs reset deassertion
>>>
>>> The order was correct before this patch. I don't think an incorrect order
>>> should be intorduced, even if temporarily between two patches.
>>
>> Maxime ?
>
> I agree with Ondřej
Thanks, I applied the patch
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prev parent reply other threads:[~2023-06-13 9:17 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-14 18:46 [PATCH v2] thermal/drivers/sun8i: Fix some error handling paths in sun8i_ths_probe() Christophe JAILLET
2023-05-15 11:54 ` Maxime Ripard
2023-05-15 12:33 ` Ondřej Jirman
2023-06-13 8:49 ` Daniel Lezcano
2023-06-13 9:16 ` Maxime Ripard
2023-06-13 9:17 ` Daniel Lezcano [this message]
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