Re: [PATCH] of: spi: Export single device registration method and accessors (v2)

[Mark Brown]

On Wed, Oct 29, 2014 at 10:40:37AM +0200, Pantelis Antoniou wrote:
> Dynamically inserting spi device nodes requires the use of a single
> device registration method. Rework and export it.
> 
> Methods to lookup a device/master using a device node are added
> as well, of_find_spi_master_by_node() & of_find_spi_device_by_node().

Why do we need to do this - I would expect that adding nodes would
trigger parsing in the same way we normally do it.  Where is the user
and how does it know that it's handling a SPI node?

This feels like there is an abstraction problem somewhere, whatever code
is supposed to use this is going to need to be taught about each
individual bus which is going to be tedious, I would expect that we'd
have something like the bus being able to provide a callback which will
get invoked whenever a new node appears on the parent node for the bus.

> Changes since v1:
> * Brown paper bug with parameter on of_register_spi_device().

Don't include noise like this in the changelog, put it after --- like
SubmittingPatches says.  Please also try to keep your CC list sane,
CCing random people just means that you're increasing the volume of mail
they have to process.  I'm surprised kernel.org accepts so many CCs.

I have to say I don't recall ever seeing v1...

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