linux-kernel - Re: [PATCH 2/3] spi: of: allow instantiating slaves without a driver

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Message-ID: <20160626125717.GQ28202@sirena.org.uk>
Date:	Sun, 26 Jun 2016 13:57:17 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Michal Suchanek <hramrach@...il.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Ingo Molnar <mingo@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Kees Cook <keescook@...omium.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Dan Williams <dan.j.williams@...el.com>,
	Tejun Heo <tj@...nel.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Davidlohr Bueso <dave@...olabs.net>,
	Andrey Ryabinin <aryabinin@...tuozzo.com>,
	Nikolay Aleksandrov <nikolay@...ulusnetworks.com>,
	Dmitry Vyukov <dvyukov@...gle.com>,
	Adrien Schildknecht <adrien+dev@...ischi.me>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-spi <linux-spi@...r.kernel.org>
Subject: Re: [PATCH 2/3] spi: of: allow instantiating slaves without a driver

On Sun, Jun 26, 2016 at 02:53:31PM +0200, Michal Suchanek wrote:
> On 26 June 2016 at 14:45, Mark Brown <broonie@...nel.org> wrote:

> > No, there's other things like figuring out which controller to bind to
> > that need to be taken into consideration.

> Why do you care? So long as you name the CS that is available on
> connector with the same pinout same on all boards you can target the
> slave regardless of the controller it's attached to.

That would be a binding for the connector which is the big missing bit
here - it's not clear that such a limited connector description would be
a good idea.

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