Re: [PATCH v3 0/3] Exynos MCT udelay, MCT cleanup, MCT to 32-bits

[Kukjin Kim <kgene.kim@samsung.com>]

On 06/21/14 02:47, Doug Anderson wrote:
> This is a series of 3 patches related to the exynos MCT (multi core
> timer).  The first allows MCT to function as a udelay() timer which
> fixes broken udelay on 5400, 5800, and even (to a lesser extent) on
> 5250.  The second is some general cleanup.  The third moves MCT to
> 32-bits where possible to give us a nice speedup.
>
> The first probably ought to be destined for 3.16 as a bugfix whereas
> the others could land in a future kernel release.
>
> This series is based on (clocksource: exynos_mct: Fix ftrace).
>
> With this series we can drop the patches I submitted:
> - clocksource: exynos_mct: cache mct upper count
> - clocksource: exynos_mct: Optimize register reads with ldmia
>
> Changes in v3:
> - Back to exynos_frc_read for now until 32/64 is resolved.
> - Now returns cycles_t which matches arch/arm/include/asm/timex.h.
> - Rebased.
> - Moved registration to its own function.
> - __raw_readl / __raw_writel patch new for version 3
> - Now 32-bit version instead of ldmia version
>
> Changes in v2:
> - Added #defines for ARM and ARM64 as pointed by Doug Anderson.
>
> Amit Daniel Kachhap (1):
>    clocksource: exynos_mct: Register the timer for stable udelay
>
> Doug Anderson (2):
>    clocksource: exynos_mct: __raw_readl/__raw_writel =>
>      readl_relaxed/writel_relaxed
>    clocksource: exynos_mct: Only use 32-bits where possible
>
>   drivers/clocksource/Kconfig      |  1 +
>   drivers/clocksource/exynos_mct.c | 72 ++++++++++++++++++++++++++++++----------
>   2 files changed, 55 insertions(+), 18 deletions(-)
>

Sorry for late taking this series...looks good to me and applied 
including previous 'fix ftrace'.

Thanks,
Kukjin