linux-kernel - Re: [PATCH v8 0/3] leds: ledtrig-tty: add tty_led

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Date:   Mon, 6 Mar 2023 10:45:34 +0100
From:   Jiri Slaby <jirislaby@...nel.org>
To:     Florian Eckert <fe@....tdt.de>, u.kleine-koenig@...gutronix.de,
        gregkh@...uxfoundation.org, pavel@....cz, lee@...nel.org
Cc:     linux-kernel@...r.kernel.org, linux-leds@...r.kernel.org,
        Eckert.Florian@...glemail.com
Subject: Re: [PATCH v8 0/3] leds: ledtrig-tty: add tty_led_mode xtension

On 06. 03. 23, 10:41, Florian Eckert wrote:
> Hello,
> 
> here commes v8 of this series to add additional tty_led_modes.

I think u r 2 fast. Uwe had some more comments on v7.

Don't be afraid to wait some days after the last comments ;). As it is, 
it makes the review harder...

> v8:
> Changes compared to the v7 patchset with
> 20230222083335.847655-1-fe@....tdt.de are.
> 
> * Update 'Documentation/ABI/testing/sysfs-class-led-trigger-tty'
>    with the suggested changes.
> * Use a meaningfull name for the Rx/Tx enum.
> * Do not use C++ comments style
> 
> Add a new patch 'ledtrig-tty-fix-brightness-set' to fix an issue with
> LEDs that are connected via GPIOs to the SOC with the device driver
> 'leds-gpio'. In my view, the wrong function is being used here. LEDs
> that do not need and do not have a delayed call do not work with the
> current implementation. Therefore, the 'led_set_brightness_nosleep'
> function must be used.
> 
> 
> v7:
> Changes compared to the v5 patchset with
> 20230222075539.484878-1-fe@....tdt.de are.
> 
> Addressed review comments by Jiri Slaby are:
> 
> Thanks for the hint with the command 'make htmldocs SPHINXDIRS="admin-guide"'.
> Unfortunately, I did not know that. I have now verified it also in the
> browser. In my opinion, the list is now also displayed correctly in
> the documentation.
> 
> 
> v6:
> Changes compared to the v5 patchset with
> 20230221081901.15557-1-fe@....tdt.de are.
> 
> Addressed review comments by kernel test robot are:
> 
> * fix Documentation/ABI/testing/sysfs-class-led-trigger-tty:9:
>    WARNING: Unexpected indentation.
> * fix Documentation/ABI/testing/sysfs-class-led-trigger-tty:9:
>    WARNING: Block quote ends without a blank line; unexpected unindent.
> 
> Thanks to Jiri Slaby, who gave me the crucial hint of what I need to fix,
> to possibly make the 'Kernel test robot' happy.
> 
> 
> v5:
> Changes compared to the v4 patchset with
> 20230220152038.3877596-1-fe@....tdt.de are.
> 
> Sorry for the inconvenience, but I sent the wrong patch for
> ledtrig-tty.c in v4. The v5 patchset now includes all the changes I
> specified in the v4 patchset.
> 
> 
> v4:
> Changes compared to the v3 patchset with
> 20230220093739.320478-1-fe@....tdt.de are.
> 
> Addressed review comments by Jiri Slaby are:
> 
> ledtrig-tty.c:
> - Do not use __TTY_LED_MAX pattern us instead __TTY_LED_LAST = TTY_LED_RNG
> - Move declartion and assignment into one singel line
> - Use __TTY_LED_LAST pattern, to simplify tty_mode_show and
>    tty_mode_store handling
> 
> 
> v3:
> Changes compared to the v2 patchset with
> 20230217094403.1574468-1-fe@....tdt.de are.
> 
> Addressed review comments by Greg K-H are:
> 
> tty.h:
> - Fix first comment line and remark -%ENOTTY for the new function
>    'tty_get_mget' to make a proper kernel doc.
> - Add the return value -%ENOTTY again, I thought it was no longer needed.
> 
> 
> v2:
> Changes compared to the initial patchset with
> 20230213140638.620206-1-fe@....tdt.de are.
> 
> Addressed review comments by Jiri Slaby are:
> 
> tty.h:
> - Fix compilation error because of wrong rebaseing
> - Remove empty lines
> - Use new 'tty_get_mget' in 'tty_tiocmget'
> 
> ledtrig-tty.c:
> - Update commit description
> - Use enum for tty_led_mod in struct ledtrig_tty_date
> - Rename sysfs file from 'mode' to 'tty_led_mode'
> - Change tty_led_mode show function to use loop instead of switch/case
> - Change tty_led_mode store function to use loop instead of switch/case
> - Check return value of function tty_get_mget
> 
> Florian Eckert (3):
>    tty: new helper function tty_get_mget
>    trigger: ledtrig-tty: add additional modes
>    ledtrig-tty: call correct brightness set function
> 
>   .../ABI/testing/sysfs-class-led-trigger-tty   |  18 +++
>   drivers/leds/trigger/ledtrig-tty.c            | 145 ++++++++++++++++--
>   drivers/tty/tty_io.c                          |  28 +++-
>   include/linux/tty.h                           |   1 +
>   4 files changed, 171 insertions(+), 21 deletions(-)
> 

-- 
js
suse labs