linux-kernel - Re: [PATCH v7 00/48] atmel_mxt

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Message-ID: <c583d151-9243-cbde-a04b-bc0389d9be5a@gmail.com>
Date:   Thu, 12 Mar 2020 18:21:54 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Jiada Wang <jiada_wang@...tor.com>, jikos@...nel.org,
        benjamin.tissoires@...hat.com, rydberg@...math.org,
        dmitry.torokhov@...il.com, nick@...anahar.org, bsz@...ihalf.com
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        erosca@...adit-jv.com, Andrew_Gabbasov@...tor.com
Subject: Re: [PATCH v7 00/48] atmel_mxt_ts misc

12.02.2020 11:41, Jiada Wang пишет:
> This patch-set forward ports Nick Dyer's work in ndyer/linux github repository
> as long as some other features and fixes
> 
> Balasubramani Vivekanandan (2):
>   Input: atmel_mxt_ts: Limit the max bytes transferred in an i2c
>     transaction
>   Input: atmel_mxt_ts: use gpiod_set_value_cansleep for reset pin
> 
> Dean Jenkins (1):
>   Input: atmel_mxt_ts: return error from
>     mxt_process_messages_until_invalid()
> 
> Deepak Das (6):
>   Input: Atmel: improve error handling in mxt_start()
>   Input: Atmel: improve error handling in mxt_initialize()
>   Input: Atmel: improve error handling in mxt_update_cfg()
>   Input: Atmel: Improve error handling in mxt_initialize_input_device()
>   Input: Atmel: handle ReportID "0x00" while processing T5 messages
>   Input: Atmel: use T44 object to process T5 messages
> 
> George G. Davis (1):
>   input: atmel_mxt_ts: export GPIO reset line via sysfs
> 
> Jiada Wang (3):
>   Input: introduce input_mt_report_slot_inactive
>   Input: atmel_mxt_ts - eliminate data->raw_info_block
>   Input: atmel_mxt_ts - Fix compilation warning
> 
> Karl Tsou (1):
>   Input: atmel_mxt_ts - add debug for T92 gesture and T93 touch seq msgs
> 
> Kautuk Consul (2):
>   Input: atmel_mxt_ts - Change call-points of mxt_free_* functions
>   Input: atmel_mxt_ts - rely on calculated_crc rather than file
>     config_crc
> 
> Naveen Chakka (2):
>   input: touchscreen: atmel_mxt_ts: Added sysfs entry for touchscreen
>     status
>   input: atmel_mxt_ts: added sysfs interface to update atmel T38 data
> 
> Nick Dyer (26):
>   Input: atmel_mxt_ts - rework sysfs init/remove
>   Input: atmel_mxt_ts - only read messages in mxt_acquire_irq() when
>     necessary
>   Input: atmel_mxt_ts - split large i2c transfers into blocks
>   Input: atmel_mxt_ts - output status from T48 Noise Supression
>   Input: atmel_mxt_ts - output status from T42 Touch Suppression
>   Input: atmel_mxt_ts - implement T9 vector/orientation support
>   Input: atmel_mxt_ts - implement T15 Key Array support
>   Input: atmel_mxt_ts - handle reports from T47 Stylus object
>   Input: atmel_mxt_ts - implement support for T107 active stylus
>   Input: atmel_mxt_ts - release touch state during suspend
>   Input: atmel_mxt_ts - add regulator control support
>   Input: atmel_mxt_ts - report failures in suspend/resume
>   Input: atmel_mxt_ts - allow specification of firmware file name
>   Input: atmel_mxt_ts - handle cfg filename via pdata/sysfs
>   Input: atmel_mxt_ts - allow input name to be specified in platform
>     data
>   Input: atmel_mxt_ts - refactor firmware flash to extract context into
>     struct
>   Input: atmel_mxt_ts - refactor code to enter bootloader into separate
>     func
>   Input: atmel_mxt_ts - combine bootloader version query with probe
>   Input: atmel_mxt_ts - improve bootloader state machine handling
>   Input: atmel_mxt_ts - rename bl_completion to chg_completion
>   Input: atmel_mxt_ts - make bootloader interrupt driven
>   Input: atmel_mxt_ts - delay enabling IRQ when not using regulators
>   Input: atmel_mxt_ts - implement I2C retries
>   Input: atmel_mxt_ts - orientation is not present in hover
>   Input: atmel_mxt_ts - implement debug output for messages
>   Input: atmel_mxt_ts - implement improved debug message interface
> 
> Nikhil Ravindran (1):
>   Input: atmel_mxt_ts: Add support for run self-test routine.
> 
> Sanjeev Chugh (1):
>   Input: atmel_mxt_ts: Implement synchronization during various
>     operation
> 
> karl tsou (1):
>   Input: atmel_mxt_ts - add config checksum attribute to sysfs
> 
> keerthikumarp (1):
>   input: atmel_mxt_ts: Add Missing Delay for reset handling of Atmel
>     touch panel controller in detachable displays.
> 
> ---
> v7:
> Fix regression found when updating firmware
> Following commits have been updated to fix regression found when
> updating firmware
> Input: atmel_mxt_ts - improve bootloader state machine handling
> Input: atmel_mxt_ts - make bootloader interrupt driven
> input: touchscreen: atmel_mxt_ts: Added sysfs entry for touchscreen status
> Input: atmel_mxt_ts: Implement synchronization during various operation
> 
> v6:
> Fix issue in commit ("Input: introduce input_mt_report_slot_inactive")
> reported by kernel test robot
> 
> v5:
> Following commits have been updated to address warnings & errors
> reported by kbuild test robot 
> Input: atmel_mxt_ts - make bootloader interrupt driven
> Input: atmel_mxt_ts - add debug for T92 gesture and T93 touch seq msgs
> 
> Following commit has been updated
> Input: introduce input_mt_report_slot_inactive
> 
> v4:
> Following commit in v3 patch-set has been removed
> Input: switch to use return value of input_mt_report_slot_state
> 
> Following commit has been updated to address checkpatch warning
> Input: atmel_mxt_ts: Implement synchronization during various operation
> 
> v3:
> Following commits have been updated compared to v2 patchset
> Input: atmel_mxt_ts - implement debug output for messages
> - added inline comment
> Input: atmel_mxt_ts - add debug for T92 gesture and T93 touch seq msg
> - changed dev_info() to dev_dbg()
> 
> v2:
> Following commit in v1 patchset has been split into two commits
> Input: introduce input_mt_report_slot_inactive
> 
> Following commits have been updated compared to v1 patchset
> Input: atmel_mxt_ts - split large i2c transfers into blocks
> Input: atmel_mxt_ts - output status from T42 Touch Suppression
> 
> Following commits in v1 patchset have been squashed
> Input: touchscreen: Atmel: Add device tree support for T15 key array
> objects
> Input: atmel_mxt_ts - check data->input_dev is not null in
> mxt_input_sync()
> Input: atmel_mxt_ts - check firmware format before entering bootloader
> Input: atmel_mxt_ts: update stale use_retrigen_workaround flag
> input: atmel_mxt_ts: move bootloader probe from mxt_initialize()
> input: Atmel: limit the max bytes transferred while reading T5 messages
> Input: atmel_mxt_ts: Use msecs_to_jiffies() instead of HZ
> Input: atmel_mxt_ts: Use complete when in_bootloader true
> Input: atmel_mxt_ts: Prevent crash due to freeing of input device
> input: atmel_mxt_ts: Add NULL check for sysfs attribute debug_msg_attr
> 
> Following commits in v1 patchset have been dropped:
> Input: atmel_mxt_ts - configure and use gpios as real gpios
> Input: touchscreen: Atmel: Enable IRQ_DISABLE_UNLAZY flag for interrupt
> Input: atmel_mxt_ts - add memory access interface via sysfs
> Input: atmel_mxt_ts: Remove sysfs attributes during driver detach
> Input: atmel_mxt_ts: Avoid race condition in freeing of input device
> 
> 
> v1: initial version
> ---
>  .../bindings/input/atmel,maxtouch.txt         |   14 +
>  MAINTAINERS                                   |    1 +
>  drivers/hid/hid-alps.c                        |    3 +-
>  drivers/hid/hid-multitouch.c                  |    6 +-
>  drivers/input/misc/xen-kbdfront.c             |    2 +-
>  drivers/input/mouse/elan_i2c_core.c           |    2 +-
>  drivers/input/touchscreen/atmel_mxt_ts.c      | 2270 ++++++++++++++---
>  drivers/input/touchscreen/cyttsp4_core.c      |    5 +-
>  drivers/input/touchscreen/cyttsp_core.c       |    2 +-
>  drivers/input/touchscreen/melfas_mip4.c       |    4 +-
>  drivers/input/touchscreen/mms114.c            |    2 +-
>  drivers/input/touchscreen/raspberrypi-ts.c    |    2 +-
>  drivers/input/touchscreen/stmfts.c            |    2 +-
>  include/dt-bindings/input/atmel_mxt_ts.h      |   22 +
>  include/linux/input/mt.h                      |    5 +
>  15 files changed, 1985 insertions(+), 357 deletions(-)
>  create mode 100644 include/dt-bindings/input/atmel_mxt_ts.h
> 

Hello Jiada,

Please run all the patches through `scripts/checkpatch.pl --strict` and
fix all the reported problems.

Otherwise this is a very good series, it makes MXT1386 to work because
I2C retying is indeed required for that controller.