linux-kernel - Re: [PATCH v5 1/4] drivers/mfd/menf21bmc: introduce MEN 14F021P00 BMC MFD Core driver

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Message-ID: <20140827105204.GA2083@awelinux>
Date:	Wed, 27 Aug 2014 12:52:05 +0200
From:	Andreas Werner <andreas.werner@....de>
To:	Lee Jones <lee.jones@...aro.org>
CC:	Andreas Werner <andreas.werner@....de>,
	<linux-kernel@...r.kernel.org>, <sameo@...ux.intel.com>,
	<wim@...ana.be>, <linux-watchdog@...r.kernel.org>,
	<cooloney@...il.com>, <rpurdie@...ys.net>,
	<linux-leds@...r.kernel.org>, <jdelvare@...e.de>,
	<linux@...ck-us.net>, <lm-sensors@...sensors.org>,
	<johannes.thumshirn@....de>
Subject: Re: [PATCH v5 1/4] drivers/mfd/menf21bmc: introduce MEN 14F021P00
 BMC MFD Core driver

On Wed, Aug 27, 2014 at 08:26:33AM +0100, Lee Jones wrote:
> On Tue, 26 Aug 2014, Andreas Werner wrote:
> > The MEN 14F021P00 Board Management Controller provides an
> > I2C interface to the host to access the feature implemented in the BMC.
> > The BMC is a PIC Microntroller assembled on CPCI Card from MEN Mikroelektronik
> > and on a few Box/Display Computer.
> > 
> > Added MFD Core driver, supporting the I2C communication to the device.
> > 
> > The MFD driver currently supports the following features:
> >  	- Watchdog
> >  	- LEDs
> > 	- Hwmon (voltage monitoring)
> > 
> > Signed-off-by: Andreas Werner <andreas.werner@....de>
> > Acked-by: Lee Jones <lee.jones@...aro.org>
> > ---
> >  drivers/mfd/Kconfig     |  12 +++++
> >  drivers/mfd/Makefile    |   1 +
> >  drivers/mfd/menf21bmc.c | 132 ++++++++++++++++++++++++++++++++++++++++++++++++
> >  3 files changed, 145 insertions(+)
> >  create mode 100644 drivers/mfd/menf21bmc.c
> > 
> > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> > index b8d9ca0..6a9f101 100644
> > --- a/drivers/mfd/Kconfig
> > +++ b/drivers/mfd/Kconfig
> > @@ -453,6 +453,18 @@ config MFD_MAX8998
> >  	  additional drivers must be enabled in order to use the functionality
> >  	  of the device.
> >  
> > +config MFD_MENF21BMC
> > +	tristate "MEN 14F021P00 Board Management Controller Support"
> > +	depends on I2C
> > +	select MFD_CORE
> > +	help
> > +	  Say yes here to add support for the MEN 14F021P00 BMC
> > +	  which is a Board Management Controller connected to the I2C bus.
> > +	  The device supports multiple sub-devices like LED, HWMON  and WDT.
> 
> Nit: Whitespace error.
> 

I run checkpatch but did not find any whitespace error.
Where is it?

...

> > +MODULE_DEVICE_TABLE(i2c, menf21bmc_id_table);
> > +
> > +static struct i2c_driver menf21bmc_driver = {
> > +	.driver.name	= "menf21bmc",
> > +	.id_table	= menf21bmc_id_table,
> > +	.probe		= menf21bmc_probe,
> > +	.remove		= menf21bmc_remove,
> > +};
> 
> No DT support?
> 

No not at the moment because it is used only on x86 system.

> > +module_i2c_driver(menf21bmc_driver);
> > +
> > +MODULE_DESCRIPTION("MEN 14F021P00 BMC mfd core driver");
> 
> s/mfd/MFD
> 
> > +MODULE_AUTHOR("Andreas Werner <andreas.werner@....de>");
> > +MODULE_LICENSE("GPL v2");
> 
> -- 
> Lee Jones
> Linaro STMicroelectronics Landing Team Lead
> Linaro.org │ Open source software for ARM SoCs
> Follow Linaro: Facebook | Twitter | Blog
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