Re: [PATCH v2 3/5] hwmon: (sch5627) Use regmap for pwm map register caching

[Guenter Roeck]

On Thu, Sep 07, 2023 at 07:26:37AM +0200, Armin Wolf wrote:
> Accessing virtual registers is very inefficient, so pwm map values
> should be cached when possible, else userspace could effectively do
> a DOS attack by reading pwm map values in a while loop.
> Use the regmap cache to cache those values.
> 
> Tested on a Fujitsu Esprimo P720.
> 
> Signed-off-by: Armin Wolf <W_Armin@xxxxxx>

Applied.

Thanks,
Guenter