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Date:   Tue, 16 Mar 2021 12:52:51 +0100
From:   Henning Schild <henning.schild@...mens.com>
To:     Andy Shevchenko <andriy.shevchenko@...el.com>
Cc:     Claudius Heine <ch@...x.de>,
        johannes hahn <johannes-hahn@...mens.com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        "open list:REAL TIME CLOCK (RTC) SUBSYSTEM" 
        <linux-rtc@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        werner zeh <werner.zeh@...mens.com>,
        "martin mantel" <martin.mantel@...mens.com>,
        val krutov <val.krutov@....epson.com>
Subject: Re: [PATCH v3 1/1] rtc: rx6110: add ACPI bindings to I2C

Am Tue, 16 Mar 2021 13:30:36 +0200
schrieb Andy Shevchenko <andriy.shevchenko@...el.com>:

> On Tue, Mar 16, 2021 at 11:08:05AM +0100, Claudius Heine wrote:
> > From: Johannes Hahn <johannes-hahn@...mens.com>
> > 
> > This allows the RX6110 driver to be automatically assigned to the
> > right device on the I2C bus.  
> 
> Thanks for all effort!
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@...el.com>
> after addressing the below comments.
> 
> > Signed-off-by: Johannes Hahn <johannes-hahn@...mens.com>
> > Signed-off-by: Claudius Heine <ch@...x.de>  
> 
> > Signed-off-by: Henning Schild <henning.schild@...mens.com>  

Claudius, just remove that. I guess just add yours and mention authors
in the code if they should receive some recognition.

Henning

> I think this is somehow confusing. Either you need to add
> Co-developed-by of the corresponding people, or remove SoB (because
> of From line), i.o.w seems like Co-dB tag is needed for Johannes or
> you and something should be done with Henning's SoB.
> 
> > ---
> >  drivers/rtc/rtc-rx6110.c | 12 ++++++++++++
> >  1 file changed, 12 insertions(+)
> > 
> > diff --git a/drivers/rtc/rtc-rx6110.c b/drivers/rtc/rtc-rx6110.c
> > index 79161d4c6ce4..29bd697f82cb 100644
> > --- a/drivers/rtc/rtc-rx6110.c
> > +++ b/drivers/rtc/rtc-rx6110.c
> > @@ -13,6 +13,7 @@
> >  #include <linux/of_gpio.h>
> >  #include <linux/regmap.h>
> >  #include <linux/rtc.h>  
> 
> > +#include <linux/acpi.h>  
> 
> Usually it's not needed if you leave IDs always to be compiled.
> Instead mod_devicetable.h is used. But it's all up to you and
> maintainer.
> 
> >  #include <linux/of.h>
> >  #include <linux/of_device.h>
> >  #include <linux/spi/spi.h>
> > @@ -447,6 +448,14 @@ static int rx6110_i2c_probe(struct i2c_client
> > *client, return rx6110_probe(rx6110, &client->dev);
> >  }
> >  
> > +#ifdef CONFIG_ACPI
> > +static const struct acpi_device_id rx6110_i2c_acpi_match[] = {
> > +	{ "SECC6110", },
> > +	{ },
> > +};
> > +MODULE_DEVICE_TABLE(acpi, rx6110_i2c_acpi_match);
> > +#endif
> > +
> >  static const struct i2c_device_id rx6110_i2c_id[] = {
> >  	{ "rx6110", 0 },
> >  	{ }
> > @@ -456,6 +465,9 @@ MODULE_DEVICE_TABLE(i2c, rx6110_i2c_id);
> >  static struct i2c_driver rx6110_i2c_driver = {
> >  	.driver = {
> >  		.name = RX6110_DRIVER_NAME,
> > +#ifdef CONFIG_ACPI  
> 
> This is implied by the stub ACPI_PTR() macro for ACPI=n case.
> I.o.w drop this ugly and redundant ifdeffery.
> 
> > +		.acpi_match_table =
> > ACPI_PTR(rx6110_i2c_acpi_match), +#endif
> >  	},
> >  	.probe		= rx6110_i2c_probe,
> >  	.id_table	= rx6110_i2c_id,
> > -- 
> > 2.30.1
> >   
> 

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