From: Sebastian Reichel <sebastian.reichel@collabora.com>
To: saravanan sekar <sravanhome@gmail.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>,
Lee Jones <lee.jones@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Jonathan Cameron <jic23@kernel.org>,
Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald <pmeerw@pmeerw.net>,
devicetree <devicetree@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-iio <linux-iio@vger.kernel.org>,
Linux PM <linux-pm@vger.kernel.org>
Subject: Re: [PATCH v8 4/6] power: supply: Add support for mps mp2629 battery charger
Date: Mon, 13 Apr 2020 22:48:47 +0200 [thread overview]
Message-ID: <20200413204847.ni7dsrn5tslrorqn@earth.universe> (raw)
In-Reply-To: <6cfab0a6-c3eb-bd9b-6572-b49e3205524f@gmail.com>
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Hi,
On Mon, Apr 13, 2020 at 10:28:19PM +0200, saravanan sekar wrote:
> Hi Andy,
>
> On 13/04/20 10:10 pm, Andy Shevchenko wrote:
> > On Mon, Apr 13, 2020 at 8:37 PM Saravanan Sekar <sravanhome@gmail.com> wrote:
> > > The mp2629 provides switching-mode battery charge management for
> > > single-cell Li-ion or Li-polymer battery. Driver supports the
> > > access/control input source and battery charging parameters.
> > ...
> >
> > > +static int mp2629_charger_probe(struct platform_device *pdev)
> > > +{
> > > + irq = platform_get_irq(to_platform_device(pdev->dev.parent), 0);
> > Why not to use temporary variable dev?
> >
> > This should be platform_get_irq_optional().
>
> Platform_get_irq in turn calls platform_get_irq_optional. It was suggested
> by Lee and is it mandatory to change it?
platform_get_irq is fine.
> > > + if (irq) {
But this must be
if (irq > 0)
or you will also try to continue with error codes.
> > > + ret = devm_request_irq(dev, irq, mp2629_irq_handler,
> > > + IRQF_TRIGGER_RISING, "mp2629-charger",
> > > + charger);
> > > + if (ret) {
> > > + dev_err(dev, "failed to request gpio IRQ\n");
> > > + goto iio_fail;
> > > + }
> > > + }
> > > +}
-- Sebastian
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next prev parent reply other threads:[~2020-04-13 20:48 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-13 17:36 [PATCH v8 0/6] Add battery charger driver support for MP2629 Saravanan Sekar
2020-04-13 17:36 ` [PATCH v8 1/6] dt-bindings: mfd: add document bindings for mp2629 Saravanan Sekar
2020-04-13 17:36 ` [PATCH v8 2/6] mfd: mp2629: Add support for mps battery charger Saravanan Sekar
2020-04-13 17:36 ` [PATCH v8 3/6] iio: adc: mp2629: Add support for mp2629 ADC driver Saravanan Sekar
2020-04-13 17:36 ` [PATCH v8 4/6] power: supply: Add support for mps mp2629 battery charger Saravanan Sekar
2020-04-13 20:10 ` Andy Shevchenko
2020-04-13 20:28 ` saravanan sekar
2020-04-13 20:48 ` Sebastian Reichel [this message]
2020-04-14 9:05 ` Andy Shevchenko
2020-04-14 10:49 ` Sebastian Reichel
2020-04-13 17:36 ` [PATCH v8 5/6] power: supply: mp2629: Add impedance compenstation config Saravanan Sekar
2020-04-13 17:36 ` [PATCH v8 6/6] MAINTAINERS: Add entry for mp2629 Battery Charger driver Saravanan Sekar
2020-04-13 20:01 ` [PATCH v8 0/6] Add battery charger driver support for MP2629 Andy Shevchenko
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