[i2c] [PATCH 1/1] I2C pxa fast mode (400khz) support

[Ben Dooks]

On Sun, Jul 13, 2008 at 04:40:27PM +0100, Jonathan Cameron wrote:
> eric miao wrote:
> > On Thu, Jul 10, 2008 at 9:31 PM, Ben Dooks <ben-linux at fluff.org> wrote:
> >> On Wed, Jul 02, 2008 at 04:26:40PM +0100, Jonathan Cameron wrote:
> >>> Add fast_mode option to i2c_pxa_platform_data and use it to set the ICR_FM bit
> >>> appropriately when i2c_pxa_reset is called. Parameter called fast_mode rather
> >>> than frequency as this driver is also used for the i2c_pxa_pwr bus which has
> >>> different normal and fast frequencies.
> >>>
> >>> Signed-off-by: Jonathan Cameron <jic23 at cam.ac.uk>
> >> Unfortuantely due to the problem of all the registers in
> >> one place, this really will need to be applied by RMK. However
> >> due to the current amount of work in the PXA tree, and the
> >> number of patches he is carrying for merging this is going
> >> to be too late for this kernel merge.
> >>
> > 
> > Actually, this round of separation work of the pxa-regs.h has been
> > done several weeks ago, so I don't see this patch is likely to
> > cause any merge conflict.
> > 
> > But Russell is going to freeze the pxa branch, I see little chance
> > this be fixed quickly and get into :(
> > 
> Dear all, thanks for the comments.
> 
> I'll switch the use_pio and fast_mode flags to bit fields and resend 
> when next kernel merge begins.
> 
> As I'm maintaining rather a lot of platform specific stuff anyway for
> my use, one more won't do any harm for a few weeks!

I think most of RMK's pxa tree has been merged, so a diff
against a current -git release should give you a better
starting point.

-- 
Ben (ben at fluff.org, http://www.fluff.org/)

  'a smiley only costs 4 bytes'