linux-kernel - Re: [PATCH 0/2] simatic-ipc additions to p2sb apl lake gpio

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Message-ID: <20220510173053.10a14aeb@md1za8fc.ad001.siemens.net>
Date:   Tue, 10 May 2022 17:30:53 +0200
From:   Henning Schild <henning.schild@...mens.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Mark Gross <markgross@...nel.org>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        linux-kernel@...r.kernel.org, linux-leds@...r.kernel.org,
        platform-driver-x86@...r.kernel.org,
        linux-watchdog@...r.kernel.org, Enrico Weigelt <lkml@...ux.net>,
        Gerd Haeussler <gerd.haeussler.ext@...mens.com>
Subject: Re: [PATCH 0/2] simatic-ipc additions to p2sb apl lake gpio

Am Wed, 4 May 2022 17:19:51 +0200
schrieb Henning Schild <henning.schild@...mens.com>:

> Am Wed, 4 May 2022 15:51:01 +0300
> schrieb Andy Shevchenko <andriy.shevchenko@...ux.intel.com>:
> 
> > On Tue, Mar 08, 2022 at 08:35:20PM +0100, Henning Schild wrote:  
> > > This switches the simatic-ipc modules to using the p2sb interface
> > > introduced by Andy with "platform/x86: introduce p2sb_bar()
> > > helper".
> > > 
> > > It also switches to one apollo lake device to using gpio leds.
> > > 
> > > I am kind of hoping Andy will take this on top and propose it in
> > > his series.    
> > 
> > First of all, they are not applicable to my current version [1] of
> > the series (it maybe something changed in the Simatic drivers
> > upstream, because I have got conflicts there. For the record, I'm
> > using Linux Next as a base.  
> 
> That is possible, some sparse findings have been fixed lately.
> 
> > Second question is could it be possible to split first patch into
> > three, or it has to be in one?  
> 
> I assume one for leds one for wdt and finally drop stuff from
> platform, and i will go with that assumption for a next round based
> on your tree directly.
> Can you explain why that will be useful? While it is kind of a
> separation of concerns and subsystems ... it also kind of all belongs
> together and needs to be merged in a rather strict order.
> 
> regards,
> Henning
> 
> > [1]: https://gitlab.com/andy-shev/next/-/tree/topic/p2sb-next
> > It would be nice if you can perform another round of testing.

Just got around to testing this with my patches on top. My stuff will
need some more work before i can send again.

Is this a rebasing branch? 
With efc7d77ea372 ("EDAC, pnd2: convert to use common P2SB accessor")
I am seeing problems while booting ... things do work but still error
messages which probably should not be there.

[    2.215715] gpio gpiochip0: (apollolake-pinctrl.0): not an immutable chip, please consider fixing it!
[    2.217506] broxton-pinctrl apollolake-pinctrl.1: Failed to attach ACPI GPIO chip
[    2.217542] gpio gpiochip1: (apollolake-pinctrl.1): not an immutable chip, please consider fixing it!
[    2.217771] i801_smbus 0000:00:1f.1: Failed to enable SMBus PCI device (-22)
[    2.217788] i801_smbus: probe of 0000:00:1f.1 failed with error -22
[    2.221460] broxton-pinctrl apollolake-pinctrl.2: Failed to attach ACPI GPIO chip
[    2.221482] gpio gpiochip2: (apollolake-pinctrl.2): not an immutable chip, please consider fixing it!
[    2.222010] broxton-pinctrl apollolake-pinctrl.3: Failed to attach ACPI GPIO chip
[    2.222023] gpio gpiochip3: (apollolake-pinctrl.3): not an immutable
chip, please consider fixing it!

regards,
Henning


> > > Henning Schild (2):
> > >   simatic-ipc: convert to use common P2SB accessor
> > >   leds: simatic-ipc-leds-gpio: add GPIO version of Siemens driver
> > > 
> > >  drivers/leds/simple/Kconfig                   |  11 ++
> > >  drivers/leds/simple/Makefile                  |   3 +-
> > >  drivers/leds/simple/simatic-ipc-leds-gpio.c   | 108
> > > ++++++++++++++++++ drivers/leds/simple/simatic-ipc-leds.c        |
> > > 77 +------------ drivers/platform/x86/simatic-ipc.c            |
> > > 43 +------ drivers/watchdog/Kconfig                      |   1 +
> > >  drivers/watchdog/simatic-ipc-wdt.c            |  15 +--
> > >  .../platform_data/x86/simatic-ipc-base.h      |   2 -
> > >  8 files changed, 139 insertions(+), 121 deletions(-)
> > >  create mode 100644 drivers/leds/simple/simatic-ipc-leds-gpio.c
> > > 
> > > -- 
> > > 2.34.1
> > >     
> >   
>