linux-kernel - Re: [PM8921 MFD V3 3/6] gpio: pm8xxx-gpio: Add pm8xxx gpio driver

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Date:	Thu, 17 Mar 2011 13:27:22 -0700
From:	Abhijeet Dharmapurikar <adharmap@...eaurora.org>
To:	Grant Likely <grant.likely@...retlab.ca>
CC:	davidb@...eaurora.org, dwalker@...o99.com,
	"David S. Miller" <davem@...emloft.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Bryan Huntsman <bryanh@...eaurora.org>,
	David Collins <collinsd@...eaurora.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Joe Perches <joe@...ches.com>,
	Russell King <linux@....linux.org.uk>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Stepan Moskovchenko <stepanm@...eaurora.org>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Linus Walleij <linux.walleij@...aro.org>,
	Thomas Glexiner <tglx@...utronix.de>,
	linux-arm-kernel@...ts.infradead.org,
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PM8921 MFD V3 3/6] gpio: pm8xxx-gpio: Add pm8xxx gpio driver

Grant Likely wrote:
> On Wed, Mar 16, 2011 at 07:23:58PM -0700, adharmap@...eaurora.org wrote:
>> Add support for GPIO on Qualcomm PM8xxx PMIC chips.
>>
>> Signed-off-by: Abhijeet Dharmapurikar <adharmap@...eaurora.org>
> 
> Minor points below, but otherwise:
> 
> Acked-by: Grant Likely <grant.likely@...retlab.ca>

Thanks Grant, can you review (and ack) drivers/mfd/pm8xxx-mpp.c? Now 
that I think, mpp is basically a gpio device, so should I move it to 
drivers/gpio?

mpp is the 4th patch in this series and can be found here.
https://patchwork.kernel.org/patch/640891/

>> diff --git a/drivers/gpio/pm8xxx-gpio.c b/drivers/gpio/pm8xxx-gpio.c
>> new file mode 100644
>> index 0000000..8995764
>> --- /dev/null
>> +++ b/drivers/gpio/pm8xxx-gpio.c
>> @@ -0,0 +1,455 @@
>> +/* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
> 
> Nit: first line should be '/*' and start the comments on the second
> line.  It also helps for the first line of the comment block to be a
> single line description of what the driver actually is.  (a
> description, not a filename).
> 
>> + *
>> + * This program is free software; you can redistribute it and/or modify
>> + * it under the terms of the GNU General Public License version 2 and
>> + * only version 2 as published by the Free Software Foundation.
>> + *
>> + * This program is distributed in the hope that it will be useful,
>> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
>> + * GNU General Public License for more details.
>> + */
>> +
>> +/*
>> + * Qualcomm PMIC8XXX GPIO driver
> 
> Heh, this is the line I just was talking about should appear at the
> top of the file.  :-)

Ok I will make this change for all the files in the patchset.

>> +
>> +static int __init pm_gpio_init(void)
>> +{
>> +	int rc = platform_driver_register(&pm_gpio_driver);
>> +
>> +	return rc;
>> +}
> 
> Or simply:
> 
> 	return platform_driver_register(&pm_gpio_driver);

yes  will do.

--
Sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm 
Innovation Center, Inc. is a member of the Code Aurora Forum.
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