linux-kernel - Re: [PATCH v2 0/2] soc: fsl: dpio: Add support for memory backed QBMan portals

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Date:   Wed, 1 May 2019 13:59:18 -0500
From:   Li Yang <leoyang.li@....com>
To:     Roy Pledge <roy.pledge@....com>
Cc:     "stuyoder@...il.com" <stuyoder@...il.com>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 0/2] soc: fsl: dpio: Add support for memory backed
 QBMan portals

On Fri, Apr 5, 2019 at 9:42 AM Roy Pledge <roy.pledge@....com> wrote:
>
> This patch series adds support for QBMan memory backed portals which is
> avaialble in devices containing QBMan verion 5.0 and above (for example
> NXP's LX2160A SoC).
>
> Memory backed portals can be mapped as normal cacheable/shareable memory
> which allows the portals to migrate between cores without needing manual
> cache manipulations by the CPU.
>
> The patches add support for the new portal attributes in the fsl-mc bus
> drivers as well as modifying the QBMan driver to use the new portal read
> trigger mechanism.
>
> Changes since v1:
>  * Support older DPRC command in case of older MC firmware
>  * Fix issue with padding in command
>
>
> Roy Pledge (2):
>   bus: mc-bus: Add support for mapping shareable portals
>   soc: fsl: dpio: Add support for memory backed QBMan portals

Both applied for next.  Thanks.

>
>  drivers/bus/fsl-mc/dprc.c           |  30 +++++++-
>  drivers/bus/fsl-mc/fsl-mc-bus.c     |  15 +++-
>  drivers/bus/fsl-mc/fsl-mc-private.h |  17 ++++-
>  drivers/soc/fsl/dpio/dpio-driver.c  |  23 ++++--
>  drivers/soc/fsl/dpio/qbman-portal.c | 148 ++++++++++++++++++++++++++++++------
>  drivers/soc/fsl/dpio/qbman-portal.h |   5 ++
>  6 files changed, 199 insertions(+), 39 deletions(-)
>
> --
> 2.7.4
>