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From:   Thomas Bogendoerfer <tbogendoerfer@suse.de>
To:     Jonathan Corbet <corbet@lwn.net>,
        Ralf Baechle <ralf@linux-mips.org>,
        Paul Burton <paul.burton@mips.com>,
        James Hogan <jhogan@kernel.org>,
        Lee Jones <lee.jones@linaro.org>,
        "David S. Miller" <davem@davemloft.net>,
        Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
        Alessandro Zummo <a.zummo@towertech.it>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Jiri Slaby <jslaby@suse.com>, linux-doc@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org,
        netdev@vger.kernel.org, linux-rtc@vger.kernel.org,
        linux-serial@vger.kernel.org
Subject: [PATCH v6 0/4] Use MFD framework for SGI IOC3 drivers
Date:   Mon, 23 Sep 2019 13:46:30 +0200
Message-Id: <20190923114636.6748-1-tbogendoerfer@suse.de>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

SGI IOC3 ASIC includes support for ethernet, PS2 keyboard/mouse,
NIC (number in a can), GPIO and a byte  bus. By attaching a
SuperIO chip to it, it also supports serial lines and a parallel
port. The chip is used on a variety of SGI systems with different
configurations. This patchset moves code out of the network driver,
which doesn't belong there, into its new place a MFD driver and
specific platform drivers for the different subfunctions.

Changes in v6:
 - dropped patches accepted for v5.4-rc1
 - moved serio patch to ip30 patch series
 - adapted nvmem patch

Changes in v5:
 - requested by Jakub I've splited ioc3 ethernet driver changes into
   more steps to make the transition more visible; on the way there 
   I've "checkpatched" the driver and reduced code reorderings
 - dropped all uint16_t and uint32_t
 - added nvmem API extension to the documenation file
 - changed to use request_irq/free_irq in serio driver
 - removed wrong kfree() in serio error path

Changes in v4:
 - added w1 drivers to the series after merge in 5.3 failed because
   of no response from maintainer and other parts of this series
   won't work without that drivers
 - moved ip30 systemboard support to the ip30 series, which will
   deal with rtc oddity Lee found
 - converted to use devm_platform_ioremap_resource
 - use PLATFORM_DEVID_AUTO for serial, ethernet and serio in mfd driver
 - fixed reverse christmas order in ioc3-eth.c
 - formating issue found by Lee
 - re-worked irq request/free in serio driver to avoid crashes during
   probe/remove

Changes in v3:
 - use 1-wire subsystem for handling proms
 - pci-xtalk driver uses prom information to create PCI subsystem
   ids for use in MFD driver
 - changed MFD driver to only use static declared mfd_cells
 - added IP30 system board setup to MFD driver
 - mac address is now read from ioc3-eth driver with nvmem framework

Changes in v2:
 - fixed issue in ioc3kbd.c reported by Dmitry Torokhov
 - merged IP27 RTC removal and 8250 serial driver addition into
   main MFD patch to keep patches bisectable

Thomas Bogendoerfer (4):
  nvmem: core: add nvmem_device_find
  MIPS: PCI: use information from 1-wire PROM for IOC3 detection
  mfd: ioc3: Add driver for SGI IOC3 chip
  MIPS: SGI-IP27: fix readb/writeb addressing

 Documentation/driver-api/nvmem.rst            |   2 +
 arch/mips/include/asm/mach-ip27/mangle-port.h |   4 +-
 arch/mips/include/asm/pci/bridge.h            |   1 +
 arch/mips/include/asm/sn/ioc3.h               |  47 ++-
 arch/mips/pci/pci-xtalk-bridge.c              | 135 +++++-
 arch/mips/sgi-ip27/ip27-timer.c               |  20 -
 arch/mips/sgi-ip27/ip27-xtalk.c               |  38 +-
 drivers/mfd/Kconfig                           |  13 +
 drivers/mfd/Makefile                          |   1 +
 drivers/mfd/ioc3.c                            | 585 ++++++++++++++++++++++++++
 drivers/net/ethernet/sgi/Kconfig              |   4 +-
 drivers/net/ethernet/sgi/ioc3-eth.c           | 561 +++++-------------------
 drivers/nvmem/core.c                          |  61 ++-
 drivers/rtc/rtc-m48t35.c                      |  11 +
 drivers/tty/serial/8250/8250_ioc3.c           |  98 +++++
 drivers/tty/serial/8250/Kconfig               |  11 +
 drivers/tty/serial/8250/Makefile              |   1 +
 include/linux/nvmem-consumer.h                |   9 +
 18 files changed, 1054 insertions(+), 548 deletions(-)
 create mode 100644 drivers/mfd/ioc3.c
 create mode 100644 drivers/tty/serial/8250/8250_ioc3.c

-- 
2.13.7