linux-kernel - Re: [PATCH v2 4/5] hwmon: (sch5627) Add support for writing limit registers

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Message-ID: <6d358954-df43-40c6-a1d5-ff7ce5284d77@roeck-us.net>
Date:   Sun, 10 Sep 2023 17:54:02 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Armin Wolf <W_Armin@....de>
Cc:     hdegoede@...hat.com, jdelvare@...e.com,
        linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/5] hwmon: (sch5627) Add support for writing limit
 registers

On Thu, Sep 07, 2023 at 07:26:38AM +0200, Armin Wolf wrote:
> After some testing on a Fujitsu Esprimo P720, it turned out that
> the limit registers are indeed writable and affect the fan control
> algorithm. This is supported by the datasheet, which says that the
> fan control functions are based on the limit and parameter registers.
> Since accessing those registers is very inefficient, the existing
> regmap cache is used to cache those registers values.
> 
> Tested on a Fujitsu Esprimo P720.
> 
> Signed-off-by: Armin Wolf <W_Armin@....de>

Applied.

Thanks,
Guenter