linux-kernel - RE: [RFC PATCH 0/3] Use basic_mmio_gpio to implement a generic gpio chip

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Date:	Thu, 12 May 2011 12:35:06 -0500
From:	H Hartley Sweeten <hartleys@...ionengravers.com>
To:	Jamie Iles <jamie@...ieiles.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE:  [RFC PATCH 0/3] Use basic_mmio_gpio to implement a generic
 gpio chip

On Wed May 05 2011, Jamie Iles wrote:
> This series is based on my earlier set of GPIO patches[1] to extend the
> basic_mmio_driver to be used as a library to implement a more generic gpio
> chip as initially implemented by Anton Vorontsov[2].
> 
> I've modified Anton's patch slightly to allow the bgpio_chip to be embedded
> into another structure and converted two drivers over - bt8xxgpio and
> langwell. bt8xxgpio seems to play nicely, but langwell not so much as it
> didn't previously use a gpio_chip per bank but it is a nice illustration.
> 
> Note that this is the same set of patches as attached in "Re: [PATCHv3 0/7]
> gpio: extend basic_mmio_gpio for different controllers" but reposted as a set
> of patches for convenience.
> 
> 1. http://article.gmane.org/gmane.linux.kernel/1124700
> 2. http://lkml.org/lkml/2011/4/19/401
> 
> Jamie Iles (3):
> basic_mmio_gpio: split into a gpio library and platform device
> gpio/bt8xxgpio: convert to use basic_mmio_gpio library
> gpio/langwell: convert to use basic_mmio_gpio library
> 
> drivers/gpio/Kconfig | 8 +
> drivers/gpio/Makefile | 1 +
> drivers/gpio/basic_mmio_gpio.c | 317 +++++++++++++++++++++------------------
> drivers/gpio/bt8xxgpio.c | 119 +++------------
> drivers/gpio/langwell_gpio.c | 253 +++++++++++++++----------------
> include/linux/basic_mmio_gpio.h | 55 +++++++
> 6 files changed, 381 insertions(+), 372 deletions(-)

Hello Jamie,

I was wondering on the status of this patch series, and Anton's for that matter.

I think I can convert the ep93xx gpio support to use this basic_mmio_gpio library
but would like to make sure I have seen all the relevant patches.  Is there any
plan on someone getting this into linux-next?

Regards,
Hartley