Re: [PATCH v3 1/2] of: base: add support to find the level of the last cache

From: Will Deacon
Date: Tue Jan 17 2017 - 06:33:06 EST


On Mon, Jan 16, 2017 at 10:40:43AM +0000, Sudeep Holla wrote:
> It is useful to have helper function just to get the number of cache
> levels for a given logical cpu. We can obtain the same by just checking
> the level at which the last cache is present. This patch adds support
> to find the level of the last cache for a given cpu.
>
> It will be used on ARM64 platform where the device tree provides the
> information for the additional non-architected/transparent/external
> last level caches that are not integrated with the processors.
>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Suggested-by: Rob Herring <robh+dt@xxxxxxxxxx>
> Acked-by: Rob Herring <robh+dt@xxxxxxxxxx>
> Tested-by: Tan Xiaojun <tanxiaojun@xxxxxxxxxx>
> Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx>
> ---
> drivers/of/base.c | 26 ++++++++++++++++++++++++++
> include/linux/of.h | 1 +
> 2 files changed, 27 insertions(+)

Thanks, I've queued these two for 4.11.

Will