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From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: "Niklas Söderlund" <niklas.soderlund+renesas@ragnatech.se>
Cc: Wolfram Sang <wsa@kernel.org>,
	linux-pm@vger.kernel.org, linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH v2 0/3] drivers/thermal/rcar_gen3_thermal: Fix device initialization
Date: Fri, 10 Feb 2023 11:27:14 +0100	[thread overview]
Message-ID: <20230210102649.GD175687@linaro.org> (raw)
In-Reply-To: <20230208190333.3159879-1-niklas.soderlund+renesas@ragnatech.se>

On Wed, Feb 08, 2023 at 08:03:30PM +0100, Niklas Söderlund wrote:
> Hello,
> 
> This small series fixes a window where incorrect values can be read from
> the driver before it is fully initialized. The root cause is that the
> thermal zone is register too early.
> 
> Patch 1/3 is new in v2 and removes a unneeded call to set_trips() when 
> resuming from suspend, This call was in v1 changed as part of addressing 
> the initialization issue, it's nicer to get rid of it before that is 
> needed.
> 
> Patch 2/3 prepares for the change while also fixing a theoretical issue
> where one thermal node described in DT would describe interrupts and
> another would not. Resulting in interrupt support being disabled for
> both of them. I'm not aware of any case where this configuration would
> be used, either the SoC supports interrupts, or it don't.
> 
> While patch 3/3 fixes the real issue by fully initializing the device
> before registering the zone.
> 
> Niklas Söderlund (3):
>   drivers/thermal/rcar_gen3_thermal: Do not call set_trips() when
>     resuming
>   drivers/thermal/rcar_gen3_thermal: Create device local ops struct
>   drivers/thermal/rcar_gen3_thermal: Fix device initialization
> 
>  drivers/thermal/rcar_gen3_thermal.c | 36 ++++++++++++++---------------
>  1 file changed, 18 insertions(+), 18 deletions(-)

Applied, thhanks

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      parent reply	other threads:[~2023-02-10 10:27 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-08 19:03 [PATCH v2 0/3] drivers/thermal/rcar_gen3_thermal: Fix device initialization Niklas Söderlund
2023-02-08 19:03 ` [PATCH v2 1/3] drivers/thermal/rcar_gen3_thermal: Do not call set_trips() when resuming Niklas Söderlund
2023-02-08 19:03 ` [PATCH v2 2/3] drivers/thermal/rcar_gen3_thermal: Create device local ops struct Niklas Söderlund
2023-02-08 19:03 ` [PATCH v2 3/3] drivers/thermal/rcar_gen3_thermal: Fix device initialization Niklas Söderlund
2023-02-10 10:27 ` Daniel Lezcano [this message]

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