Re: [PATCH v3 1/3] usb: typec: Separate USB Power Delivery from USB Type-C

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On Wed, Apr 27, 2022 at 10:50:35AM +0200, Greg Kroah-Hartman wrote:
> On Wed, Apr 27, 2022 at 11:17:49AM +0300, Heikki Krogerus wrote:
> > On Wed, Apr 27, 2022 at 09:30:30AM +0200, Greg Kroah-Hartman wrote:
> > > > > "struct pd" is just about the shortest structure name I've seen in the
> > > > > kernel so far.  How about using some more letters?  :)
> > > > 
> > > > Okay, I'll make it usbpd.
> > > 
> > > How about some more vowels: "struct usb_power_delivery" please.  This
> > > isn't the 1980's :)
> > 
> > "struct usb_power_delivery" is fine, but I would still really really
> > want to use "struct usbpd_capabilities" instead of
> > "struct usb_power_delivery_capabilities" - it's just too long.
> > Is that okay?
> 
> Nah, spell it out please, we don't use "usbpd" anywhere, and again, we
> don't have a limit of characters.  Most editors should auto-complete
> anyway :)

Very well.

> > > > > The kobject question above goes to the code as well.  You are creating a
> > > > > bunch of raw kobjects still, why?  This should all fit into the driver
> > > > > model and kobjects shouldn't be needed.  Are you trying to nest too deep
> > > > > in the attributes?  If so, kobjects will not work as userspace tools
> > > > > will not realize they are there and are attributes at all.
> > > > 
> > > > They are not raw kobjects, they are all devices now. That header just
> > > > needs to be fixed.
> > > 
> > > You have loads of kobject attributes in the .c file.  Either I read it
> > > wrong, or you are doing something wrong, as that should never be the
> > > case for a driver or device.
> > 
> > Hmm, I'm probable still doing something wrong...
> 
> All of your sysfs callbacks should have a struct device, not a kobject.
> You might just be getting lucky in that we are casting around a pointer
> of the correct layout.  But the compiler should have caught that
> somewhere, please look into it.

I'll fix this.

thanks,

-- 
heikki



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