netdev - RE: [PATCH 0/5] soc: fsl: add device links support for devices on the fsl-mc bus

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Date:   Mon, 17 Dec 2018 10:46:09 +0000
From:   Laurentiu Tudor <laurentiu.tudor@....com>
To:     Ioana Ciornei <ioana.ciornei@....com>, Leo Li <leoyang.li@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     Horia Geanta <horia.geanta@....com>,
        Ioana Ciocoi Radulescu <ruxandra.radulescu@....com>,
        Roy Pledge <roy.pledge@....com>
Subject: RE: [PATCH 0/5] soc: fsl: add device links support for devices on the
 fsl-mc bus



> -----Original Message-----
> From: Ioana Ciornei
> Sent: Monday, December 10, 2018 6:50 PM
> 
> The fsl-mc bus discovers and exports devices dynamically allocated
> by the Management Complex firmware.
> This patch set adds the ability to automatically create a device link
> between a consumer device on the fsl-mc bus and a supplier one.
> For example, a dpni device (a network interface) requests access to a
> dpio device (I/O portal) using the dpaa2_io_service_register function
> which is enhanced to also add the corresponding device link between
> them.
> 
> The first 3 patches set the stage for a proper handling of device
> links while the following 2 are the ones that add the actual links.
> 
> The internal management of the links is not exported to the consumer
> driver, but it's rather included in the functions that actually allocate
> the provider device: fsl_mc_portal_allocate, fsl_mc_object_allocate and
> dpaa2_io_service_register.
> 
> Ioana Ciornei (4):
>   soc: fsl: dpio: keep a per dpio device MC portal
>   soc: fsl: dpio: store a backpointer to the device backing the dpaa2_io
>   soc: fsl: dpio: add a device_link at dpaa2_io_service_register
>   bus: fsl-mc: automatically add a device_link on
>     fsl_mc_[portal,object]_allocate
> 
> Roy Pledge (1):
>   soc: fsl: dpio: perform DPIO Reset on Probe
> 
>  drivers/bus/fsl-mc/fsl-mc-allocator.c            | 11 +++++++++++
>  drivers/bus/fsl-mc/mc-io.c                       | 13 +++++++++++++
>  drivers/crypto/caam/caamalg_qi2.c                |  6 +++---
>  drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c |  9 +++++----
>  drivers/soc/fsl/dpio/dpio-cmd.h                  |  1 +
>  drivers/soc/fsl/dpio/dpio-driver.c               | 18 +++++++++---------
>  drivers/soc/fsl/dpio/dpio-service.c              | 23
> ++++++++++++++++++++---
>  drivers/soc/fsl/dpio/dpio.c                      | 23
> +++++++++++++++++++++++
>  drivers/soc/fsl/dpio/dpio.h                      |  4 ++++
>  include/linux/fsl/mc.h                           |  1 +
>  include/soc/fsl/dpaa2-io.h                       |  9 ++++++---
>  11 files changed, 96 insertions(+), 22 deletions(-)

Reviewed-by: Laurentiu Tudor <laurentiu.tudor@....com>

---
Best Regards, Laurentiu