[PATCH v4 2/2] gpio/mxc: Change gpio-mxc into an upstanding gpio driver

[Sascha Hauer]

On Mon, Jun 06, 2011 at 01:52:41AM -0600, Grant Likely wrote:
> On Mon, Jun 06, 2011 at 12:07:55AM +0800, Shawn Guo wrote:
> > The patch makes necessary changes on gpio-mxc as below to turn it
> > into an upstanding gpio driver.
> > 
> >  * Add a list to save all mx2 ports references, so that
> >    mx2_gpio_irq_handler can walk through all interrupt status
> >    registers
> > 
> >  * Use readl/writel to replace mach-specific accessors
> >    __raw_readl/__raw_writel
> > 
> >  * Change mxc_gpio_init into mxc_gpio_probe function
> > 
> >  * Move "struct mxc_gpio_port" into gpio-mxc.c, as it needs not to
> >    be public at all, and also make some other cleanup on
> >    plat-mxc/include/mach/gpio.h at the same time
> > 
> > And the patch then migrates mach-imx and mach-mx5 to the updated
> > driver by adding corresponding platform devices.
> > 
> > Signed-off-by: Shawn Guo <shawn.guo at linaro.org>
> > Acked-by: Olof Johansson <olof at lixom.net>
> 
> Applied, thanks.

I'm not completely happy with this patch going through your tree. It
does massive changes to arch/arm/mach-*mx*, so expect merge conflicts
here.

Sascha

> 
> g.
> 
> > ---
> >  arch/arm/mach-imx/mach-apf9328.c                |    2 +
> >  arch/arm/mach-imx/mach-armadillo5x0.c           |    2 +
> >  arch/arm/mach-imx/mach-bug.c                    |    2 +
> >  arch/arm/mach-imx/mach-cpuimx27.c               |    2 +
> >  arch/arm/mach-imx/mach-cpuimx35.c               |    2 +
> >  arch/arm/mach-imx/mach-eukrea_cpuimx25.c        |    2 +
> >  arch/arm/mach-imx/mach-imx27_visstrim_m10.c     |    2 +
> >  arch/arm/mach-imx/mach-imx27ipcam.c             |    2 +
> >  arch/arm/mach-imx/mach-imx27lite.c              |    2 +
> >  arch/arm/mach-imx/mach-kzm_arm11_01.c           |    2 +
> >  arch/arm/mach-imx/mach-mx1ads.c                 |    2 +
> >  arch/arm/mach-imx/mach-mx21ads.c                |    2 +
> >  arch/arm/mach-imx/mach-mx25_3ds.c               |    2 +
> >  arch/arm/mach-imx/mach-mx27_3ds.c               |    2 +
> >  arch/arm/mach-imx/mach-mx27ads.c                |    2 +
> >  arch/arm/mach-imx/mach-mx31_3ds.c               |    2 +
> >  arch/arm/mach-imx/mach-mx31ads.c                |    2 +
> >  arch/arm/mach-imx/mach-mx31lilly.c              |    2 +
> >  arch/arm/mach-imx/mach-mx31lite.c               |    2 +
> >  arch/arm/mach-imx/mach-mx31moboard.c            |    2 +
> >  arch/arm/mach-imx/mach-mx35_3ds.c               |    2 +
> >  arch/arm/mach-imx/mach-mxt_td60.c               |    2 +
> >  arch/arm/mach-imx/mach-pca100.c                 |    2 +
> >  arch/arm/mach-imx/mach-pcm037.c                 |    2 +
> >  arch/arm/mach-imx/mach-pcm038.c                 |    2 +
> >  arch/arm/mach-imx/mach-pcm043.c                 |    2 +
> >  arch/arm/mach-imx/mach-qong.c                   |    2 +
> >  arch/arm/mach-imx/mach-scb9328.c                |    2 +
> >  arch/arm/mach-imx/mach-vpr200.c                 |    2 +
> >  arch/arm/mach-imx/mm-imx1.c                     |   17 +-
> >  arch/arm/mach-imx/mm-imx21.c                    |   21 +--
> >  arch/arm/mach-imx/mm-imx25.c                    |   16 +-
> >  arch/arm/mach-imx/mm-imx27.c                    |   21 +--
> >  arch/arm/mach-imx/mm-imx31.c                    |   15 +-
> >  arch/arm/mach-imx/mm-imx35.c                    |   15 +-
> >  arch/arm/mach-mx5/board-cpuimx51.c              |    2 +
> >  arch/arm/mach-mx5/board-cpuimx51sd.c            |    2 +
> >  arch/arm/mach-mx5/board-mx50_rdp.c              |    2 +
> >  arch/arm/mach-mx5/board-mx51_3ds.c              |    2 +
> >  arch/arm/mach-mx5/board-mx51_babbage.c          |    2 +
> >  arch/arm/mach-mx5/board-mx51_efikamx.c          |    2 +
> >  arch/arm/mach-mx5/board-mx51_efikasb.c          |    2 +
> >  arch/arm/mach-mx5/board-mx53_evk.c              |    2 +
> >  arch/arm/mach-mx5/board-mx53_loco.c             |    2 +
> >  arch/arm/mach-mx5/board-mx53_smd.c              |    2 +
> >  arch/arm/mach-mx5/devices.c                     |   64 -------
> >  arch/arm/mach-mx5/mm-mx50.c                     |   21 +--
> >  arch/arm/mach-mx5/mm.c                          |   25 ++-
> >  arch/arm/plat-mxc/devices.c                     |   11 ++
> >  arch/arm/plat-mxc/devices/Makefile              |    1 +
> >  arch/arm/plat-mxc/devices/platform-gpio-mxc.c   |   32 ++++
> >  arch/arm/plat-mxc/include/mach/common.h         |   12 ++-
> >  arch/arm/plat-mxc/include/mach/devices-common.h |    2 +
> >  arch/arm/plat-mxc/include/mach/gpio.h           |   27 ---
> >  drivers/gpio/gpio-mxc.c                         |  217 +++++++++++++++--------
> >  55 files changed, 358 insertions(+), 237 deletions(-)
> >  create mode 100644 arch/arm/plat-mxc/devices/platform-gpio-mxc.c
> > 
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