Re: [PATCH v3 10/12] opp: Support set_opp() customization without requiring to use regulators

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On 18-01-21, 21:48, Dmitry Osipenko wrote:
> 18.01.2021 14:44, Viresh Kumar пишет:
> > On 18-01-21, 03:55, Dmitry Osipenko wrote:
> >> diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
> >> index eefd0b15890c..c98fd2add563 100644
> >> --- a/include/linux/pm_opp.h
> >> +++ b/include/linux/pm_opp.h
> >> @@ -13,6 +13,7 @@
> >>  
> >>  #include <linux/energy_model.h>
> >>  #include <linux/err.h>
> >> +#include <linux/kref.h>
> >>  #include <linux/notifier.h>
> >>  
> >>  struct clk;
> >> @@ -74,6 +75,7 @@ struct dev_pm_opp_info {
> >>   * @regulator_count: Number of regulators
> >>   * @clk:	Pointer to clk
> >>   * @dev:	Pointer to the struct device
> >> + * @kref:	Reference counter
> >>   *
> >>   * This structure contains all information required for setting an OPP.
> >>   */
> >> @@ -85,6 +87,7 @@ struct dev_pm_set_opp_data {
> >>  	unsigned int regulator_count;
> >>  	struct clk *clk;
> >>  	struct device *dev;
> >> +	struct kref kref;
> >>  };
> > 
> > Instead of kref thing, allocate the memory for supplies from
> > dev_pm_opp_set_regulators() and store it in new entries in opp-table
> > and for rest of the data from dev_pm_opp_register_set_opp_helper(), to
> > which you can copy supplies pointers then.
> > 
> 
> Could you please show a code sample?

Sent a patch to you.

-- 
viresh



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