Messages in this thread | | | Date | Fri, 15 Aug 2014 13:13:42 +0200 | From | Javier Martinez Canillas <> | Subject | Re: [PATCH 1/1] mmc: core: Use regulator_get_voltage() if OCR mask is empty. |
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Hello Mark,
On 08/15/2014 11:55 AM, Mark Brown wrote: > On Fri, Aug 15, 2014 at 09:48:43AM +0200, Javier Martinez Canillas wrote: > >> But now I wonder why regulator_list_voltage() even list the voltage for >> fixed regulators (desc->fixed_uV) since they don't have the ability to > > That's because it's very cheap to do and there is a comprehensible thing > we can return - if we have to read the voltage that means potentially > asking the hardware in an I2C transaction which is not cheap. >
Thanks a lot for the explanation, that does make a lot of sense.
> > There's plenty of potentially variable regulators used in these > situations, I expect it's more likely that people were just ignoring the > warning since it has no practical effect. >
Indeed.
Best regards, Javier
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