linux-kernel - [PATCH v3 0/4] rewrite mtk-quadspi spi-nor driver with spi-mem

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Date:   Fri,  6 Mar 2020 16:50:48 +0800
From:   Chuanhong Guo <gch981213@...il.com>
To:     linux-mediatek@...ts.infradead.org, linux-spi@...r.kernel.org,
        linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org
Cc:     Chuanhong Guo <gch981213@...il.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Tudor Ambarus <tudor.ambarus@...rochip.com>,
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM/Mediatek SoC
        support), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v3 0/4] rewrite mtk-quadspi spi-nor driver with spi-mem

This patchset adds a spi-mem driver for Mediatek SPI-NOR controller,
which already has limited support by mtk-quadspi. This new driver can
make use of full quadspi capability of this controller.

1st new commit makes spi-max-frequency optional to match current
binding doc and make this new driver compatible with old driver dt
bindings.

Change since v2:
 revert binding example replacement and add a dummy irq binding

Changes since v1:
 two new commits.

Chuanhong Guo (4):
  spi: make spi-max-frequency optional
  spi: add support for mediatek spi-nor controller
  dt-bindings: convert mtk-quadspi binding doc for spi-mtk-nor
  mtd: spi-nor: remove mtk-quadspi driver

 .../mtk-quadspi.txt => spi/spi-mtk-nor.txt}   |  15 +-
 drivers/mtd/spi-nor/Kconfig                   |   8 -
 drivers/mtd/spi-nor/Makefile                  |   1 -
 drivers/mtd/spi-nor/mtk-quadspi.c             | 565 --------------
 drivers/spi/Kconfig                           |  10 +
 drivers/spi/Makefile                          |   1 +
 drivers/spi/spi-mtk-nor.c                     | 689 ++++++++++++++++++
 drivers/spi/spi.c                             |   9 +-
 8 files changed, 708 insertions(+), 590 deletions(-)
 rename Documentation/devicetree/bindings/{mtd/mtk-quadspi.txt => spi/spi-mtk-nor.txt} (75%)
 delete mode 100644 drivers/mtd/spi-nor/mtk-quadspi.c
 create mode 100644 drivers/spi/spi-mtk-nor.c

-- 
2.24.1