Re: [PATCH v12 0/3] Use MFD framework for SGI IOC3 drivers

[Paul Burton <paulburton@kernel.org>]

Hello,

Thomas Bogendoerfer wrote:
> 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 v12:
>  - added support for mapping all PCI interrupts as ioc3 uses INTB,
>    if both ethernet and superio is used
> 
> Changes in v11:
>  - dropped accepted patches out of the series
>  - moved byte swapping patch first in series
>  - added ip30 system board support
> 
> Changes in v10:
>  - generation of fake subdevice ID had vendor and device ID swapped
> 
> Changes in v9:
>  - remove generated MFD devices, when driver is removed or in case
>    of a mfd device setup error
>  - remove irq domain, if setup of mfd devices failed
>  - pci_iounmap on exit/error cases
>  - added irq domain unmap function
> 
> Changes in v8:
>  - Re-worked comments in drivers/mfd/ioc3.c
>  - Added select CRC16 to ioc3-eth.c
>  - Patches 1 and 2 are already taken to mips-next, but
>    for completeness of the series they are still included.
>    What's missing to get the remaining 3 patches via the MIPS
>    tree is an ack from a network maintainer
> 
> Changes in v7:
>  - added patch to enable ethernet phy for Origin 200 systems
>  - depend on 64bit for ioc3 mfd driver
> 
> 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 (3):
>   MIPS: PCI: Support mapping of INTB/C/D for pci-xtalk-bridge
>   MIPS: SGI-IP27: fix readb/writeb addressing
>   mfd: ioc3: Add driver for SGI IOC3 chip
> 
>  arch/mips/include/asm/mach-ip27/mangle-port.h |   4 +-
>  arch/mips/include/asm/pci/bridge.h            |   3 +-
>  arch/mips/include/asm/sn/ioc3.h               |  38 +-
>  arch/mips/pci/pci-xtalk-bridge.c              |  28 +-
>  arch/mips/sgi-ip27/ip27-timer.c               |  20 -
>  drivers/mfd/Kconfig                           |  13 +
>  drivers/mfd/Makefile                          |   1 +
>  drivers/mfd/ioc3.c                            | 669 ++++++++++++++++++
>  drivers/net/ethernet/sgi/Kconfig              |   5 +-

Series applied to mips-next.

> MIPS: PCI: Support mapping of INTB/C/D for pci-xtalk-bridge
>   commit 2634e5a651e7
>   https://git.kernel.org/mips/c/2634e5a651e7
>   
>   Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
>   Signed-off-by: Paul Burton <paulburton@kernel.org>
> 
> MIPS: SGI-IP27: fix readb/writeb addressing
>   commit 10cf8300ecad
>   https://git.kernel.org/mips/c/10cf8300ecad
>   
>   Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
>   Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
>   Signed-off-by: Paul Burton <paulburton@kernel.org>
> 
> mfd: ioc3: Add driver for SGI IOC3 chip
>   commit 0ce5ebd24d25
>   https://git.kernel.org/mips/c/0ce5ebd24d25
>   
>   Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
>   Signed-off-by: Paul Burton <paulburton@kernel.org>

Thanks,
    Paul

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