linux-kernel - Re: [PATCH v8 0/6] Support running driver's probe for a device powered off

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Message-ID: <CAAFQd5Be5sUQYtXapcSOu8CVffW2LuLog9qh71-+mxze9WYUVQ@mail.gmail.com>
Date:   Sun, 27 Sep 2020 21:44:19 +0200
From:   Tomasz Figa <tfiga@...omium.org>
To:     Wolfram Sang <wsa@...-dreams.de>, Tomasz Figa <tfiga@...omium.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Luca Ceresoli <luca@...aceresoli.net>,
        linux-i2c <linux-i2c@...r.kernel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        linux-acpi@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Mani, Rajmohan" <rajmohan.mani@...el.com>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Bingbu Cao <bingbu.cao@...el.com>,
        Chiranjeevi Rapolu <chiranjeevi.rapolu@...el.com>,
        Hyungwoo Yang <hyungwoo.yang@...el.com>,
        Linux Media Mailing List <linux-media@...r.kernel.org>
Subject: Re: [PATCH v8 0/6] Support running driver's probe for a device
 powered off

On Sun, Sep 27, 2020 at 9:39 PM Wolfram Sang <wsa@...-dreams.de> wrote:
>
>
> > I think we might be overly complicating things. IMHO the series as is
> > with the "i2c_" prefix removed from the flags introduced would be
> > reusable as is for any other subsystem that needs it. Of course, for
> > now, the handling of the flag would remain implemented only in the I2C
> > subsystem.
>
> Just to be clear: you are suggesting to remove "i2c" from the DSD
> binding "i2c-allow-low-power-probe". And you are not talking about
> moving I2C_DRV_FL_ALLOW_LOW_POWER_PROBE to struct device_driver? I
> recall the latter has been NACKed by gkh so far.
>

I'd also drop "I2C_" from "I2C_DRV_FL_ALLOW_LOW_POWER_PROBE", but all
the implementation would remain where it is in the code. IOW, I'm just
suggesting a naming change to avoid proliferating duplicate flags of
the same meaning across subsystems.