linux-kernel - Re: [PATCH v2] of_gpio: Return GPIO flags from of_get

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Message-ID: <20081126223151.GA1178@oksana.dev.rtsoft.ru>
Date:	Thu, 27 Nov 2008 01:31:51 +0300
From:	Anton Vorontsov <avorontsov@...mvista.com>
To:	Paul Mackerras <paulus@...ba.org>
Cc:	Trent Piepho <tpiepho@...escale.com>, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: Re: [PATCH v2] of_gpio: Return GPIO flags from of_get_gpio()

On Thu, Nov 27, 2008 at 08:38:51AM +1100, Paul Mackerras wrote:
[...]
> > >  drivers/mtd/nand/fsl_upm.c              |    2 +-
> > >  drivers/net/fs_enet/fs_enet-main.c      |    2 +-
> > >  drivers/net/phy/mdio-ofgpio.c           |    4 ++--
> > >  drivers/of/gpio.c                       |   13 ++++++++++---
> > >  drivers/serial/cpm_uart/cpm_uart_core.c |    2 +-
> > >  include/linux/of_gpio.h                 |   21 +++++++++++++++++----
> > >  6 files changed, 32 insertions(+), 12 deletions(-)
> 
> That would need acks from Jeff Garzik and David Woodhouse.
> 
> Alternatively you could add a new function (called, for instance,
> of_get_gpio_flags) with the extra parameter to eliminate the need to
> change any drivers at this stage, since they all seem to pass NULL for
> the flags argument.

:-))

This was _exactly_ my initial approach, but Trent and Grant thought
that changing API would be easy. Hah-ha!

Here is my initial patch implementing of_get_gpio_flags():
http://lkml.org/lkml/2008/7/25/236

Trent, are you going to push your patch through all the
maintainers, or should we, after all, revert to my approach
instead?

Thanks,

-- 
Anton Vorontsov
email: cbouatmailru@...il.com
irc://irc.freenode.net/bd2
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