linux-kernel - Re: [PATCH 3/5] mfd: tps65217: Add a dependency on OF

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Date:   Wed, 7 Jun 2017 11:37:53 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Keerthy <j-keerthy@...com>
Cc:     Enric Balletbo Serra <eballetbo@...il.com>,
        Tony Lindgren <tony@...mide.com>, milo.kim@...com,
        "linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/5] mfd: tps65217: Add a dependency on OF

On Wed, 07 Jun 2017, Keerthy wrote:

> 
> 
> On Tuesday 06 June 2017 08:34 PM, Enric Balletbo Serra wrote:
> > Hi Keerthy,
> > 
> > By change I was looking at this. Some comments below that I think can
> > be applied to all patches in this series
> > 
> > 2017-06-06 16:45 GMT+02:00 Keerthy <j-keerthy@...com>:
> >> Currently the driver boots only via device tree hence add a
> >> dependency on OF.
> >>
> >> Signed-off-by: Keerthy <j-keerthy@...com>
> >> ---
> >>  drivers/mfd/Kconfig | 2 +-
> >>  1 file changed, 1 insertion(+), 1 deletion(-)
> >>
> >> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> >> index 75b59f1..2d1425d 100644
> >> --- a/drivers/mfd/Kconfig
> >> +++ b/drivers/mfd/Kconfig
> >> @@ -1297,7 +1297,7 @@ config MFD_TPS65090
> >>
> >>  config MFD_TPS65217
> >>         tristate "TI TPS65217 Power Management / White LED chips"
> >> -       depends on I2C
> >> +       depends on I2C && OF
> > 
> > Shouldn't you add || COMPILE_TEST here ?
> 
> Sure.
> 
> > 
> >>         select MFD_CORE
> >>         select REGMAP_I2C
> >>         select IRQ_DOMAIN
> >>
> > 
> > I think you can remove the of_match_device checks in some drivers too
> > 
> > i.e:
> > 
> > http://elixir.free-electrons.com/linux/latest/source/drivers/mfd/tps65217.c#L330
> 
> Yes that and removal of unused i2c_device_id. I will follow it up once
> this OF dependency is in.

The of_match_device() checks should be removed with the OF patch.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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