[PATCH 0/8] I2C patches for v3.8 merge window

Felipe Balbi balbi at ti.com
Mon Oct 22 09:30:23 EDT 2012


Hi,

On Mon, Oct 22, 2012 at 12:46:50PM +0300, Felipe Balbi wrote:
> Hi guys,
> 
> here's another series for OMAP I2C driver. There are a few cleanups
> and one very nice new feature: we can now report how many bytes
> we transferred until NACK.
> 
> Note that the implemementation for OMAP-I2C turned out to be a
> little more complex then I expected, mainly because of the way
> I2C_CNT register behaves and because of the very buggy register
> usage on that driver.
> 
> I have boot tested all patches on beagle xM (3630) and pandaboard
> rev A3 (4430), will send boot-logs if anyone wants to see.
> 
> All patches are available at [1] if anyone wants an easy way to
> test the patches.
> 
> [1] git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git i2c-transferred-bytes-on-NACK

forgot to mention, with [1] I could veridy suspend to ram with boards
mentioned above.

[1] http://marc.info/?l=linux-arm-kernel&m=135090724817604&w=2

> Felipe Balbi (7):
>   i2c: omap: no need to access platform_device
>   i2c: omap: reorder exit path of omap_i2c_xfer_msg()
>   i2c: omap: fix error checking
>   i2c: omap: also complete() when stat becomes zero
>   i2c: omap: introduce and use OMAP_I2C_IP_VERSION_3
>   i2c: omap: wait for transfer completion before sending STP bit
>   i2c: omap: implement handling for 'transferred' bytes
> 
> Shubhrajyoti D (1):
>   i2c: add 'transferred' field to struct i2c_msg
> 
>  arch/arm/mach-omap2/i2c.c                  |   3 +-
>  arch/arm/mach-omap2/omap_hwmod_44xx_data.c |   2 +-
>  drivers/i2c/busses/i2c-omap.c              | 156 ++++++++++++++++-------------
>  include/linux/i2c-omap.h                   |   1 +
>  include/uapi/linux/i2c.h                   |   1 +
>  5 files changed, 89 insertions(+), 74 deletions(-)
> 
> -- 
> 1.8.0.rc0
> 

-- 
balbi
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