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

From: Laurentiu Tudor
Date: Mon Dec 17 2018 - 05:46:17 EST




> -----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@xxxxxxx>

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Best Regards, Laurentiu