[PATCH] ARM: OMAP: convert I2C driver to PM QoS for MPU latency constraints

[Kevin Hilman]

Jean Pihet <jean.pihet at newoldbits.com> writes:

> Convert the driver from the outdated omap_pm_set_max_mpu_wakeup_lat
> API to the new PM QoS API.
> Since the constraint is on the MPU subsystem, use the PM_QOS_CPU_DMA_LATENCY
> class of PM QoS. The resulting MPU constraints are used by cpuidle to
> decide the next power state of the MPU subsystem.
>
> The I2C device latency timing is derived from the FIFO size and the
> clock speed and so is applicable to all OMAP SoCs.
>
> Signed-off-by: Jean Pihet <j-pihet at ti.com>

Acked-by: Kevin Hilman <khilman at ti.com>