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SubjectRe: [PATCH v5 1/6] fieldbus_dev: add Fieldbus Device subsystem.
On Wed, Dec 05, 2018 at 10:39:56AM -0500, Sven Van Asbroeck wrote:
> Hello Greg, thanks for the feedback!
>
> On Wed, Dec 5, 2018 at 5:17 AM Greg KH <gregkh@linuxfoundation.org> wrote:
> > And why is this a class and not just a "normal" device and bus? Devices
> > live on busses, not generally as a class. Can your devices live on
> > different types of busses (USB, PCI, etc.)?
>
> This patchset can be a bit confusing, because it doesn't just add support for a
> single fieldbus device - it proposes a general fieldbus subsystem.

Great, then call it a 'fieldbus' class, not "fieldbus_dev' class.

Devices can belong to a bus, or a class, so you are fine here.

> Fieldbus devices from different vendors can sit on the usb, i2c, pci, etc.
> buse, but they all register as a fieldbus device, via fieldbus_dev_register(),
> and show up as a fieldbus class member.

ok, I'm just complaining about your name in sysfs, not your code :)

I think what you did here is correct from a logic point of view.

> Userspace can then enumerate all fieldbus devices connected to the system by
> looking at the class. Without having to know which bus they happen to be
> connected to.

Sounds reasonable.

nice work,

greg k-h

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