linux-kernel - RE: [PATCH v4 3/8] iio: Add support for DA9150 GPADC

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Message-ID: <2E89032DDAA8B9408CB92943514A0337AB52290B@SW-EX-MBX01.diasemi.com>
Date:	Mon, 8 Dec 2014 13:23:07 +0000
From:	"Opensource [Adam Thomson]" <Adam.Thomson.Opensource@...semi.com>
To:	Hartmut Knaack <knaack.h@....de>,
	"Opensource [Adam Thomson]" <Adam.Thomson.Opensource@...semi.com>,
	Lee Jones <lee.jones@...aro.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Jonathan Cameron <jic23@...nel.org>,
	"linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
	Sebastian Reichel <sre@...nel.org>,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	"David Woodhouse" <dwmw2@...radead.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	"Grant Likely" <grant.likely@...aro.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Joe Perches" <joe@...ches.com>,
	"linux-api@...r.kernel.org" <linux-api@...r.kernel.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Support Opensource" <Support.Opensource@...semi.com>
Subject: RE: [PATCH v4 3/8] iio: Add support for DA9150 GPADC

On December 04, 2014 23:02, Hartmut Knaack wrote:

> > +	indio_dev = devm_iio_device_alloc(&pdev->dev,
> > +					  sizeof(struct da9150_gpadc));
> BTW: If you use sizeof(*gpadc) instead (like it is usually done as well),
> it will perfectly fit in one line.

I preferred to be explicit that the item is a struct, but really not that fussed
either way. Also have been asked previously in a separate driver to make the
same mod you mention so will update accordingly.

> > +	ret = devm_request_threaded_irq(dev, irq, NULL, da9150_gpadc_irq,
> > +					IRQF_ONESHOT, "GPADC", gpadc);
> > +	if (ret) {
> > +		dev_err(dev, "Failed to request IRQ %d: %d\n", irq, ret);
> > +		goto iio_map_unreg;
> You need to return ret here, no jump to error out path.

Yes, thanks. Annoyed I missed that in the re-factor. Will fix it.