linux-kernel - [PATCH v9 0/2] soc: ti: k3: Introduce ringacc driver

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Date:   Wed, 15 Jan 2020 12:35:43 +0200
From:   Peter Ujfalusi <peter.ujfalusi@...com>
To:     <ssantosh@...nel.org>, <santosh.shilimkar@...cle.com>,
        <vkoul@...nel.org>, <robh+dt@...nel.org>
CC:     <t-kristo@...com>, <grygorii.strashko@...com>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <lokeshvutla@...com>,
        <tony@...mide.com>, <j-keerthy@...com>, <vigneshr@...com>,
        <nm@...com>, <nsekhar@...com>
Subject: [PATCH v9 0/2] soc: ti: k3: Introduce ringacc driver

Hi Santosh,

as you have asked I have sending the ringacc driver as a separate series from
the DMA support for K3 platform.

I have picked the patches from v8 of the DMA support series.

The changelog regarding to ringacc:

Changes since v8:
- No change, picked from
 v8: https://lore.kernel.org/lkml/20191223110458.30766-1-peter.ujfalusi@ti.com/

Changes since v7:
- Added Tested-by from Keerthy
- Do not allow it to be built as a module for now as two exports are missing
  from kernel:
 - devm_ti_sci_get_of_resource()
 - of_msi_get_domain()

Changes since v6:
- No change

Changes since v5:
- No change

Changes since v4:
- clarify the meaning of ti,sci-dev-id in the binding document
- Remove 'default y' from Kconfig
- Fix struct comments
- Move try_module_get() earlier in k3_ringacc_request_ring()

Changes since v3:
- TODO_GS is removed from the header
- pm_runtime removed as NAVSS and it's components are always on
- Check validity of Message mode setup (element size > 8 bytes must use proxy)

Changes since v2:
- fixed up th commit message (SoB, TI-SCI)
- fixed ring reset
- CONFIG_TI_K3_RINGACC_DEBUG is removed along with the dbg_write/read functions
  and use dev_dbg()
- k3_ringacc_ring_dump() is moved to static
- step numbering removed from k3_ringacc_ring_reset_dma()
- Add clarification comment for shared ring usage in k3_ringacc_ring_cfg()
- Magic shift values in k3_ringacc_ring_cfg_proxy() got defined
- K3_RINGACC_RING_MODE_QM is removed as it is not supported

Changes since v1:
- Added Rob's Reviewed-by to ringacc DT binding document patch

Regards,
Peter
---
Grygorii Strashko (2):
  bindings: soc: ti: add documentation for k3 ringacc
  soc: ti: k3: add navss ringacc driver

 .../devicetree/bindings/soc/ti/k3-ringacc.txt |   59 +
 drivers/soc/ti/Kconfig                        |   11 +
 drivers/soc/ti/Makefile                       |    1 +
 drivers/soc/ti/k3-ringacc.c                   | 1157 +++++++++++++++++
 include/linux/soc/ti/k3-ringacc.h             |  244 ++++
 5 files changed, 1472 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/ti/k3-ringacc.txt
 create mode 100644 drivers/soc/ti/k3-ringacc.c
 create mode 100644 include/linux/soc/ti/k3-ringacc.h

-- 
Peter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki