[PATCH-RESEND 0/3] i2c: core/pxa: Add support for hardware lock

[Vaibhav Hiremath]

On Wednesday 03 June 2015 12:15 AM, Vaibhav Hiremath wrote:
> To justify the need for hardware lock, lets take a real usecase scenario -
>
> In case of Marvell SoC, PXA910 silicon, both AP and CP are present and
> these two ARM cores are sharing one pair of I2C pins.
>
> In order to keep I2C transaction operated with atomic, hardware lock
> (RIPC) is required.
>
> This patch extends support for atomic operation by adding hardware lock support
> to the i2c-core.
>
> PATCH[1/3] : Core changes for hardware lock
> PATCH[2/3 & 3/3] : hardware lock support to i2c-pxa bus driver.
>
> Link to previous post:
> http://lkml.iu.edu/hypermail/linux/kernel/1104.3/02352.html
> http://lkml.iu.edu/hypermail/linux/kernel/1104.3/02353.html
> http://lkml.iu.edu/hypermail/linux/kernel/1104.3/02354.html
>
> TODO:
>    - DT node addition
>      I am using PXA1928 based platform which is still not available
>      in Mainline, so it is based on, below patch-series
>      Link to Rob's patches:
>       https://lkml.org/lkml/2015/5/1/14
>       https://lkml.org/lkml/2015/5/19/1206
>      PMIC 88pm860 support
>       http://www.spinics.net/lists/arm-kernel/msg422554.html
>
> Vaibhav Hiremath (3):
>    i2c: core: append hardware lock with bus lock
>    i2c: pxa: Add support for hardware lock
>    i2c: pxa: Add pin ctrl support for CP core access
>

Wolfram,

Any update on this patch-series?

Thanks,
Vaibhav