On 09/20/2016 02:01 AM, Cédric Le Goater wrote:
> Hello,
>
> This serie adds support for the iBT interface on Aspeed SOCs (AST2400
> and AST2500). The BT (Block Transfer) interface is used to perform
> in-band IPMI communication between a host and its BMC. This driver
> implements the BMC side.

This looks good.  I pulled these into my tree, it's ok for 4.9 or
whatever is next, since it's a new driver.

Do patches 2 and 3 go through Joel?

-corey

> Changes since v2:
>
>   - limit to one opener
>   - protect write/read operations with a mutex.
>
> Changes since v1:
>
>   - the driver is now called 'bt-bmc' and the device node '/dev/ipmi-bt-host'
>     
>   - the code is now under drivers/char/ipmi/. This required a change of
>     the top Makefile in drivers/ to compile the bt-bmc driver with the
>     ipmi handlers not being selected. That might be an issue.
>     
>   - changed the read/write operations to use a temporary buffer and get
>     rid of the {get,put}_user calls
>
> Thanks,
>
> C.
>
> Alistair Popple (1):
>    ipmi: add an Aspeed BT IPMI BMC driver
>
> Cédric Le Goater (2):
>    ARM: aspeed: Add defconfigs for CONFIG_ASPEED_BT_IPMI_BMC
>    ARM: dts: aspeed: Enable BT IPMI BMC device
>
>   .../bindings/char/ipmi/aspeed,ast2400-bt-bmc.txt   |  23 +
>   arch/arm/boot/dts/aspeed-g4.dtsi                   |   6 +
>   arch/arm/boot/dts/aspeed-g5.dtsi                   |   6 +
>   arch/arm/configs/aspeed_g4_defconfig               |   1 +
>   arch/arm/configs/aspeed_g5_defconfig               |   1 +
>   drivers/Makefile                                   |   2 +-
>   drivers/char/ipmi/Kconfig                          |   7 +
>   drivers/char/ipmi/Makefile                         |   1 +
>   drivers/char/ipmi/bt-bmc.c                         | 510 
> +++++++++++++++++++++
>   include/uapi/linux/Kbuild                          |   1 +
>   include/uapi/linux/bt-bmc.h                        |  18 +
>   11 files changed, 575 insertions(+), 1 deletion(-)
>   create mode 100644 
> Documentation/devicetree/bindings/char/ipmi/aspeed,ast2400-bt-bmc.txt
>   create mode 100644 drivers/char/ipmi/bt-bmc.c
>   create mode 100644 include/uapi/linux/bt-bmc.h
>


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