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

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Date:	Thu, 17 Mar 2011 14:35:05 -0600
From:	Grant Likely <grant.likely@...retlab.ca>
To:	Abhijeet Dharmapurikar <adharmap@...eaurora.org>
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

On Thu, Mar 17, 2011 at 01:27:22PM -0700, Abhijeet Dharmapurikar wrote:
> 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/

I've only looked briefly, but it appears to be fine.

Yes, you should move it to drivers/gpio

g.

> 
> >>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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