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

From: [email-masked] (Vaibhav Hiremath)
Date: Tue, 07 Jul 2015 12:13:00 +0530

On Tuesday 16 June 2015 01:58 PM, Vaibhav Hiremath wrote:
>
>
> 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?
>

Any update? Its long time since this patch is pending for review.

Thanks,
Vaibhav