linux-kernel - Re: [lm-sensors] [RFC PATCH] hwmon: (max6650) Convert to be a platform driver

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Message-ID: <CAOMwXhML8LvDCzmk1ZVT+7cARj9C3VtxERWBgOPM9vTc6qQXZQ@mail.gmail.com>
Date:	Thu, 13 Feb 2014 10:38:02 +0000
From:	Laszlo Papp <lpapp@....org>
To:	Jean Delvare <jdelvare@...e.de>
Cc:	Lee Jones <lee.jones@...aro.org>,
	LKML <linux-kernel@...r.kernel.org>, lm-sensors@...sensors.org,
	Guenter Roeck <linux@...ck-us.net>
Subject: Re: [lm-sensors] [RFC PATCH] hwmon: (max6650) Convert to be a
 platform driver

On Thu, Feb 13, 2014 at 10:15 AM, Jean Delvare <jdelvare@...e.de> wrote:
> On Thu, 13 Feb 2014 09:58:17 +0000, Lee Jones wrote:
>> > The MFD driver has now been added, so this driver is now being adopted to be a
>> > subdevice driver on top of it. This means, the i2c driver usage is being
>> > converted to platform driver usage all around.
>> >
>> > Signed-off-by: Laszlo Papp <lpapp@....org>
>> > ---
>> > This patch has been compile tested only and will be tested with real hardware,
>> > but early reviews to catch any trivial issues would be welcome.
>> >  drivers/hwmon/Kconfig   |   2 +-
>> >  drivers/hwmon/max6650.c | 155 ++++++++++++++++++++++++------------------------
>> >  2 files changed, 79 insertions(+), 78 deletions(-)
>>
>> <snip>
>>
>> >  /*
>> >   * Insmod parameters
>> > @@ -105,24 +108,23 @@ module_param(clock, int, S_IRUGO);
>> >
>> >  #define DIV_FROM_REG(reg) (1 << (reg & 7))
>> >
>> > -static int max6650_probe(struct i2c_client *client,
>> > -                    const struct i2c_device_id *id);
>> > -static int max6650_init_client(struct i2c_client *client);
>> > -static int max6650_remove(struct i2c_client *client);
>> > +static int max6650_probe(struct platform_device *pdev);
>> > +static int max6650_init_client(struct platform_device *pdev);
>> > +static int max6650_remove(struct platform_device *pdev);
>> >  static struct max6650_data *max6650_update_device(struct device *dev);
>>
>> It would be good to remove these forward declarations in the future.
>>
>> If no one volunteers I'll happily do it.
>
> Guenter just did:
>
> http://lists.lm-sensors.org/pipermail/lm-sensors/2014-February/041224.html
>
> Any change to the max6650 driver should go on top of his patch series
> to avoid conflicts:
>
> http://lists.lm-sensors.org/pipermail/lm-sensors/2014-February/041223.html

As far as I can see, that patch set was not even tested, so how can it
go in? I was told that any patch should be _runtime_ tested, too.
Fwiw, I do not have time to test those personally, he would need to
find someone else if that requirement really holds true.

I would not really like to fix bugs appearing in that code to get my
features in.
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