Re: [PATCH v4 01/11] mfd: add pruss mfd driver.

From: Samuel Ortiz
Date: Sun May 22 2011 - 16:24:22 EST

Hi Arnd,

On Sat, May 14, 2011 at 10:33:53PM +0200, Arnd Bergmann wrote:
> On Saturday 14 May 2011, Mark Brown wrote:
> > > Will a misc device be a better choice.
> >
> > > In that case I can remove the MFD cell from the board_file and add an array
> > > of platform_device for the UART & CAN.
> >
> > I think that for me so long as it can simultaneously do two unrelated
> > functions which need to be arbitrated between there's probably a place
> > for it in MFD, certainly at the minute.
> I guess drivers/mfd would be a better place than drivers/misc, but it might not
> need to be an mfd driver in the sense that it registers mfd cells.
I agree with that. Although if it makes it to drivers/mfd/, I'd prefer to see
it using the MF API.

> The more important point is to remove the device registration from the board
> file. You definitely should not have the cells in the board file, but replacing
> them with platform devices in the board file makes it no better.
> My whole point has been that you register them from the main pruss driver
> based on run-time data instead of compile-time pre-configured stuff in the
> board file.
That's certainly right.


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