Messages in this thread | | | Date | Thu, 8 Apr 2021 08:36:20 +0200 | From | Greg KH <> | Subject | Re: [PATCH net-next v2 2/2] misc: Add Renesas Synchronization Management Unit (SMU) support |
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On Wed, Apr 07, 2021 at 08:12:10PM +0000, Min Li wrote: > > > > Why not use the miscdev name field? > > > miscdev name field is just a char pointer and I need an static array to manipulate the name with index
Why?
> > So it's a parent? Why not make this a real platform_device pointer and not > > a device pointer? > > > > It is not parent and mfd field is the parent
Then why are you saving it off?
> > What operations? > > > > The MFD driver will create 2 devices, one is for phc driver and another one is this driver. > The lock is to make sure these 2 driver's operations are synchronized.
Ok, that should be documented a bit, it wasn't obvious :)
> > Index into what? > > > > index is passed by mfd driver and will be used as part of device name such as "rsmu0"
So you can just look it up from the name?
thanks,
greg k-h
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