Re: Driver load order

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

On 19.05.22 14:17, Ahmad Fatoum wrote:
> Hello Frank,
> 
> On 19.05.22 12:59, Frank Wunderlich wrote:
>> Hi,
>>
>> I try to create a basic driver for rk808 pmic/iodomains. I've noticed that first the iodomain driver is probed and then the rk808 on,but i need it reversed as rk808 registers regulators linked in iodomain via devicetree.
>>
>> How can i defer iodomain probing till rk808 is ready (regulators available defined as phandles in iodomain dt node)? Currently i get always ENODEV (property does not exist or regulator is not ready yet)....
>>
>> This is my current (dirty) source:
>> https://github.com/frank-w/barebox-r2pro/commits/r2pro-iodomain
> 
> While I don't know what iodomains are, I had ported the rk808 driver to barebox for
> use with the Rock Pi N10. I haven't come around to upstream it, because I haven't
> figured out why I can't use the existing regmap helpers like Linux does.
> 
> I have sent you the patches as a reply to your mail. Perhaps they'll
> save you some effort.

I see now that Kconfig/Makefile parts are missing, but I trust you can easily add those.
Also, you'll need this patch: https://lore.barebox.org/barebox/20220114084728.311277-1-a.fatoum@pengutronix.de/
(preferably after incorporating Sascha's feedback).

Cheers,
Ahmad

> 
> Cheers,
> Ahmad
> 
> 
>> regards Frank
>>
>> _______________________________________________
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>>
> 
> 


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