linux-kernel - [PATCH v3 0/7] Add Aspeed SSIF BMC driver

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Date:   Wed, 19 May 2021 14:49:27 +0700
From:   Quan Nguyen <quan@...amperecomputing.com>
To:     Corey Minyard <minyard@....org>, Rob Herring <robh+dt@...nel.org>,
        Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>,
        Brendan Higgins <brendanhiggins@...gle.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Wolfram Sang <wsa@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        openipmi-developer@...ts.sourceforge.net,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        linux-i2c@...r.kernel.org
Cc:     Open Source Submission <patches@...erecomputing.com>,
        Phong Vo <phong@...amperecomputing.com>,
        "Thang Q . Nguyen" <thang@...amperecomputing.com>,
        openbmc@...ts.ozlabs.org
Subject: [PATCH v3 0/7] Add Aspeed SSIF BMC driver

This series add support for the Aspeed specific SSIF BMC driver which
is to perform in-band IPMI communication with the host in management
(BMC) side.

v3:
  + Switched binding doc to use DT schema format [Rob]
  + Splited into generic ssif_bmc and aspeed-specific [Corey, Joel]
  + Removed redundant license info [Joel]
  + Switched to use traditional if-else [Joel]
  + Removed unused ssif_bmc_ioctl() [Joel]
  + Made handle_request()/complete_response() to return void [Joel]
  + Refactored send_ssif_bmc_response()/receive_ssif_bmc_request() [Corey]
  + Remove mutex [Corey]
  + Use spin_lock/unlock_irqsave/restore in callback [Corey]
  + Removed the unnecessary memset [Corey]
  + Switch to use dev_err() [Corey]
  + Combine mask/unmask two interrupts together [Corey]
  + Fixed unhandled Tx done with NAK [Quan]
  + Late ack'ed Tx done w/wo Ack irq [Quan]
  + Use aspeed-specific exported aspeed_set_slave_busy() when slave busy
to fix the deadlock [Graeme, Philipp, Quan]
  + Clean buffer for last multipart read [Quan]
  + Handle unknown incoming command [Quan]

v2:
  + Fixed compiling error with COMPILE_TEST for arc

Quan Nguyen (7):
  i2c: i2c-core-smbus: Expose PEC calculate function for generic use
  ipmi: ssif_bmc: Add SSIF BMC driver
  i2c: aspeed: Fix unhandled Tx done with NAK
  i2c: aspeed: Acknowledge Tx done w/wo ACK irq late
  i2c: aspeed: Add aspeed_set_slave_busy()
  ipmi: ssif_bmc: Add Aspeed SSIF BMC driver
  bindings: ipmi: Add binding for Aspeed SSIF BMC driver

 .../bindings/ipmi/aspeed-ssif-bmc.yaml        |  33 +
 drivers/char/ipmi/Kconfig                     |  22 +
 drivers/char/ipmi/Makefile                    |   2 +
 drivers/char/ipmi/ssif_bmc.c                  | 605 ++++++++++++++++++
 drivers/char/ipmi/ssif_bmc.h                  |  93 +++
 drivers/char/ipmi/ssif_bmc_aspeed.c           |  75 +++
 drivers/i2c/busses/i2c-aspeed.c               |  51 +-
 drivers/i2c/i2c-core-smbus.c                  |  12 +-
 include/linux/i2c.h                           |   1 +
 9 files changed, 884 insertions(+), 10 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/ipmi/aspeed-ssif-bmc.yaml
 create mode 100644 drivers/char/ipmi/ssif_bmc.c
 create mode 100644 drivers/char/ipmi/ssif_bmc.h
 create mode 100644 drivers/char/ipmi/ssif_bmc_aspeed.c

-- 
2.28.0