linux-kernel - Re: [PATCH 1/3] i2c: davinci: kill platform data

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Message-ID: <CAMRc=Mci6bPCirruk90hnjBvJW0=HKhqCq+9p4t2k9B=Oy8Ocw@mail.gmail.com>
Date: Thu, 2 Jan 2025 13:44:10 +0100
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Andi Shyti <andi.shyti@...nel.org>
Cc: Wolfram Sang <wsa@...-dreams.de>, linux-arm-kernel@...ts.infradead.org, 
	linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH 1/3] i2c: davinci: kill platform data

On Fri, Dec 27, 2024 at 12:41 AM Andi Shyti <andi.shyti@...nel.org> wrote:
>
> Hi Bartosz,
>
> ...
>
> >  struct davinci_i2c_dev {
> >       struct device           *dev;
> >       void __iomem            *base;
> > @@ -132,13 +133,10 @@ struct davinci_i2c_dev {
> >  #ifdef CONFIG_CPU_FREQ
> >       struct notifier_block   freq_transition;
> >  #endif
> > -     struct davinci_i2c_platform_data *pdata;
> > -};
> > -
> > -/* default platform data to use if not supplied in the platform_device */
> > -static struct davinci_i2c_platform_data davinci_i2c_platform_data_default = {
> > -     .bus_freq       = 100,
> > -     .bus_delay      = 0,
>
> what happened to bus_delay?
>

bus_delay is not set by means other than platform data and it defaults
to 0 so it's safe to just remove it.

> ...
>
> > +     /* standard bus frequency (kHz) */
> > +     unsigned int            bus_freq;
> > +     /* Chip has a ICPFUNC register */
> > +     bool                    has_pfunc;
> >  };
>
> > -static struct i2c_bus_recovery_info davinci_i2c_gpio_recovery_info = {
> > -     .recover_bus = i2c_generic_scl_recovery,
> > -     .prepare_recovery = davinci_i2c_prepare_recovery,
> > -     .unprepare_recovery = davinci_i2c_unprepare_recovery,
> > -};
> > -
>
> what happened to the gpio_recovery_info?
>

Similar story: it's only ever used if there's a pdata-provided
recovery GPIO line set but nobody does it anymore.

Bartosz