linux-kernel - Re: [PATCH v7 2/2] drivers: soc: Add LLCC driver

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Message-ID: <CAE=gft77E+nuRuXxnSFt4bttLVaKiRgH=dvwu=Q9cO4Ga9TN8g@mail.gmail.com>
Date:   Thu, 17 May 2018 15:30:53 -0700
From:   Evan Green <evgreen@...omium.org>
To:     rishabhb@...eaurora.org
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm@...ts.infradead.org,
        tsoni@...eaurora.org, ckadabi@...eaurora.org, robh@...nel.org
Subject: Re: [PATCH v7 2/2] drivers: soc: Add LLCC driver

On Wed, May 16, 2018 at 10:44 AM Rishabh Bhatnagar <rishabhb@...eaurora.org>
wrote:

> LLCC (Last Level Cache Controller) provides additional cache memory
> in the system. LLCC is partitioned into multiple slices and each
> slice gets its own priority, size, ID and other config parameters.
> LLCC driver programs these parameters for each slice. Clients that
> are assigned to use LLCC need to get information such size & ID of the
> slice they get and activate or deactivate the slice as needed. LLCC driver
> provides API for the clients to perform these operations.

> Signed-off-by: Channagoud Kadabi <ckadabi@...eaurora.org>
> Signed-off-by: Rishabh Bhatnagar <rishabhb@...eaurora.org>
> ---
>   drivers/soc/qcom/Kconfig           |  17 ++
>   drivers/soc/qcom/Makefile          |   2 +
>   drivers/soc/qcom/llcc-sdm845.c     | 106 ++++++++++++
>   drivers/soc/qcom/llcc-slice.c      | 337
+++++++++++++++++++++++++++++++++++++
>   include/linux/soc/qcom/llcc-qcom.h | 180 ++++++++++++++++++++
>   5 files changed, 642 insertions(+)
>   create mode 100644 drivers/soc/qcom/llcc-sdm845.c
>   create mode 100644 drivers/soc/qcom/llcc-slice.c
>   create mode 100644 include/linux/soc/qcom/llcc-qcom.h


Thanks Rishabh.

Reviewed-by: Evan Green <evgreen@...omium.org>