linux-kernel - RE: [PATCH v4 0/3] Add support for Intel Thunder Bay SPI controller

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Date:   Mon, 4 Apr 2022 11:51:14 +0000
From:   "Srikandan, Nandhini" <nandhini.srikandan@...el.com>
To:     "fancer.lancer@...il.com" <fancer.lancer@...il.com>,
        "broonie@...nel.org" <broonie@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "mgross@...ux.intel.com" <mgross@...ux.intel.com>,
        "Pan, Kris" <kris.pan@...el.com>,
        "Demakkanavar, Kenchappa" <kenchappa.demakkanavar@...el.com>,
        "Zhou, Furong" <furong.zhou@...el.com>,
        "Sangannavar, Mallikarjunappa" 
        <mallikarjunappa.sangannavar@...el.com>,
        "Vaidya, Mahesh R" <mahesh.r.vaidya@...el.com>,
        "A, Rashmi" <rashmi.a@...el.com>
Subject: RE: [PATCH v4 0/3] Add support for Intel Thunder Bay SPI controller

Hi all,

Kindly help to review the patch set "Add support for Intel Thunder Bay SPI controller".

Regards,
Nandhini 

> -----Original Message-----
> From: Srikandan, Nandhini <nandhini.srikandan@...el.com>
> Sent: Tuesday, March 8, 2022 4:03 PM
> To: fancer.lancer@...il.com; broonie@...nel.org; robh+dt@...nel.org;
> linux-spi@...r.kernel.org; linux-kernel@...r.kernel.org
> Cc: devicetree@...r.kernel.org; mgross@...ux.intel.com; Pan, Kris
> <kris.pan@...el.com>; Demakkanavar, Kenchappa
> <kenchappa.demakkanavar@...el.com>; Zhou, Furong
> <furong.zhou@...el.com>; Sangannavar, Mallikarjunappa
> <mallikarjunappa.sangannavar@...el.com>; Vaidya, Mahesh R
> <mahesh.r.vaidya@...el.com>; Srikandan, Nandhini
> <nandhini.srikandan@...el.com>; A, Rashmi <rashmi.a@...el.com>
> Subject: [PATCH v4 0/3] Add support for Intel Thunder Bay SPI controller
> 
> From: Nandhini Srikandan <nandhini.srikandan@...el.com>
> 
> Hi,
> 
> This patch enables support for DW SPI on Intel Thunder Bay (patch 1,2).
> This patch set also enables master mode for latest Designware SPI versions
> (patch 3).
> 
> Patch 1: DW SPI DT bindings for Intel Thunder Bay SoC.
> Patch 2: Adds support for Designware SPI on Intel Thunderbay SoC.
> Patch 3: Adds master mode support for Designware SPI controller.
> 
> The driver is tested on Keem Bay and Thunder Bay evaluation board
> 
> Summary:
> Changes from v3:
> 1) Dropped SSTE support in this patch.
> 2) Rebased to the latest code.
> 
> Changes from v2:
> 1) SSTE support made using dt and created seperate patches.
> 2) SPI controller master mode selection made common to all DW SPI
> controllers.
> 3) Using a common init function for both keem bay and thunder bay.
> 
> Changes from v1:
> 1) Designware CR0 specific macros are named in a generic way.
> 2) SPI CAP macros are named in generic way rather than naming project
> specific.
> 3) SPI KEEM BAY specific macros are replaced by generic macros.
> 4) Resued the existing SPI deassert API instead of adding another reset
> 
> 
> Changes in patches:
> Patch 1:
> Changes from v3/v2/v1:
> 1) No change in this patch
> 
> Patch 2:
> Changes from v3:
> 1) No changes.
> 
> Changes from v2:
> 1) Init function is made common for Keem Bay and Thunder Bay.
> 
> Patch 3:
> Changes from v3:
> 1) Corrected dw_spi_ip_is macro with the missing underscore.
> 2) Setting CTRLR0 BIT31 without any condition check as in older version of
>    DW SPI controller this bit is reserved.
> 
> Changes from v2/v1:
> 1)Newly introduced in v3 to make master mode selection as seperate patch
> 
> Thanks & Regards,
> Nandhini
> 
> 
> Nandhini Srikandan (3):
>   dt-bindings: spi: Add bindings for Intel Thunder Bay SoC
>   spi: dw: Add support for Intel Thunder Bay SPI controller
>   spi: dw: Add support for master mode selection for DWC SSI controller
> 
>  .../devicetree/bindings/spi/snps,dw-apb-ssi.yaml          | 2 ++
>  drivers/spi/spi-dw-core.c                                 | 4 ++--
>  drivers/spi/spi-dw-mmio.c                                 | 8 ++++----
>  drivers/spi/spi-dw.h                                      | 7 +++----
>  4 files changed, 11 insertions(+), 10 deletions(-)
> 
> --
> 2.17.1