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From: Lee Jones <lee.jones@linaro.org>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: sameo@linux.intel.com, devicetree-discuss@lists.ozlabs.org,
	linux-kernel@vger.kernel.org, spear-devel@list.st.com,
	Vipul Kumar Samar <vipulkumar.samar@st.com>
Subject: Re: [PATCH V2 2/2] mfd: stmpe: Extend DT support in stmpe driver
Date: Fri, 23 Nov 2012 09:36:33 +0000	[thread overview]
Message-ID: <20121123093633.GD17471@gmail.com> (raw)
In-Reply-To: <CAKohpo=EWFNddjMNwHO4u4-bi1AQ4cvsJ4DfFOgaFv3oVfheZg@mail.gmail.com>

On Fri, 23 Nov 2012, Viresh Kumar wrote:

> On 22 November 2012 16:54, Lee Jones <lee.jones@linaro.org> wrote:
> >> diff --git a/Documentation/devicetree/bindings/mfd/stmpe.txt b/Documentation/devicetree/bindings/mfd/stmpe.txt
> >>       stmpe1601: stmpe1601@40 {
> 
> >> +             id = <0>;
> >
> > Don't do this. Device IDs are Linux specific.
> 
> Hi Lee,
> 
> This is id of the mfd device that we need to pass to mfd_add_device()
> and is used in following:

MFD devices are Linux specific, whereas DT is cross-platform. Thus
you can't put it in the DTS(I) files.

> 	pdev = platform_device_alloc(cell->name, id + cell->id);
> 
> This is required when we have multiple instances of MFD device present
> on board. How do you want me to handle this ?

There are lots of examples of this already. I have to leave something
to the imagination, or I'll be requesting a cut of your salary. :D

-- 
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

  reply	other threads:[~2012-11-23  9:36 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-22  5:10 [PATCH V2 1/2] mfd: stmpe: Use devm_*() routines Viresh Kumar
2012-11-22  5:10 ` [PATCH V2 2/2] mfd: stmpe: Extend DT support in stmpe driver Viresh Kumar
2012-11-22 11:24   ` Lee Jones
2012-11-22 13:54     ` Viresh Kumar
2012-11-22 15:46       ` Lee Jones
2012-11-22 17:01         ` Viresh Kumar
2012-11-23  3:45           ` Shiraz Hashim
2012-11-23  9:33             ` Lee Jones
2012-11-23  9:23           ` Lee Jones
2012-11-22 18:31     ` Viresh Kumar
2012-11-23  9:39       ` Lee Jones
2012-11-23  4:29     ` Viresh Kumar
2012-11-23  9:36       ` Lee Jones [this message]
2012-11-23 12:39         ` Viresh Kumar
2012-11-23 15:43           ` Lee Jones
2012-11-23 15:45             ` Viresh Kumar
2012-11-22 10:27 ` [PATCH V2 1/2] mfd: stmpe: Use devm_*() routines Lee Jones
2012-11-22 10:30   ` Viresh Kumar
2012-11-22 17:10   ` Viresh Kumar
2012-11-23  9:40     ` Lee Jones
2012-11-23  9:42       ` Lee Jones
2012-11-23  9:44       ` Viresh Kumar
2012-11-23 11:03 ` Samuel Ortiz

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