From: saravanan sekar <sravanhome@gmail.com>
To: Jonathan Cameron <jic23@kernel.org>,
Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Lee Jones <lee.jones@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald <pmeerw@pmeerw.net>,
Sebastian Reichel <sre@kernel.org>,
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 v4 3/5] iio: adc: mp2629: Add support for mp2629 ADC driver
Date: Sun, 29 Mar 2020 12:37:53 +0200 [thread overview]
Message-ID: <d6852a20-157b-ea51-7def-f11b5d1c81fe@gmail.com> (raw)
In-Reply-To: <20200328144234.081b964f@archlinux>
Hi Andy,
On 28/03/20 3:42 pm, Jonathan Cameron wrote:
> On Mon, 23 Mar 2020 01:32:34 +0200
> Andy Shevchenko <andy.shevchenko@gmail.com> wrote:
>
>> On Mon, Mar 23, 2020 at 12:47 AM Saravanan Sekar <sravanhome@gmail.com> wrote:
>>> Add support for 8-bit resolution ADC readings for input power
>>> supply and battery charging measurement. Provides voltage, current
>>> readings to mp2629 power supply driver.
>> ...
>>
>>> +#include <linux/platform_device.h>
>>> +#include <linux/of_device.h>
>> Don't see users of it.
Forgot to reply, its needed since I used struct of_device
"error: field name not in record or union initializer
{ .compatible = "mps,mp2629_charger"},"
>>> +#include <linux/module.h>
>>> +#include <linux/mutex.h>
>>> +#include <linux/regulator/consumer.h>
>>> +#include <linux/sysfs.h>
>> Any users?
>>
>>> +#include <linux/regmap.h>
>> Perhaps ordered?
>>
>>> +#include <linux/iio/iio.h>
>>> +#include <linux/iio/machine.h>
>>> +#include <linux/iio/driver.h>
>> + blank line?
>>
>>> +#include <linux/mfd/mp2629.h>
>> ...
>>
>>> +static int mp2629_read_raw(struct iio_dev *indio_dev,
>>> + struct iio_chan_spec const *chan,
>>> + int *val, int *val2, long mask)
>>> +{
>>> + struct mp2629_adc *info = iio_priv(indio_dev);
>>> + unsigned int rval;
>>> + int ret;
>>> +
>>> + switch (mask) {
>>> + case IIO_CHAN_INFO_RAW:
>>> + ret = regmap_read(info->regmap, chan->address, &rval);
>>> + if (ret < 0)
>>> + return ret;
>>> +
>>> + if (chan->address == MP2629_INPUT_VOLT)
>>> + rval &= 0x7f;
>> GENMASK() ?
>>
>>> + *val = rval;
>>> + return IIO_VAL_INT;
>>> + return 0;
>>> +}
>> ...
>>
>>> + void **pdata = pdev->dev.platform_data;
>> Same Qs as per other patch.
>>
>> ...
>>
>>> + indio_dev->dev.of_node = pdev->dev.of_node;
>> Jonathan, doesn't IIO core do this for all?
>>
> Nope. I'm not totally sure it's always safe to do so
> as we have some weird parent structures in some cases.
> A quick grep suggests that we may be fine though, or
> alternatively be able to get away with a set it if not
> already set approach.
>
> I'll take a look when I get some time. It would be nice
> to clean this up.
>
> Jonathan
>
>
>
>
next prev parent reply other threads:[~2020-03-29 10:38 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-22 22:46 [PATCH v4 0/5] Add battery charger driver support for MP2629 Saravanan Sekar
2020-03-22 22:46 ` [PATCH v4 1/5] dt-bindings: mfd: add document bindings for mp2629 Saravanan Sekar
2020-03-27 8:00 ` Lee Jones
2020-03-27 21:50 ` saravanan sekar
2020-03-30 6:46 ` Lee Jones
2020-04-07 16:29 ` saravanan sekar
2020-04-08 10:15 ` Lee Jones
2020-03-22 22:46 ` [PATCH v4 2/5] mfd: mp2629: Add support for mps battery charger Saravanan Sekar
2020-03-27 7:55 ` Lee Jones
2020-03-27 8:32 ` saravanan sekar
2020-03-27 10:22 ` Lee Jones
2020-03-27 10:56 ` saravanan sekar
2020-03-27 11:25 ` Lee Jones
2020-03-27 12:40 ` saravanan sekar
2020-03-27 12:56 ` Andy Shevchenko
2020-03-27 13:03 ` saravanan sekar
2020-03-27 13:17 ` Andy Shevchenko
2020-03-28 14:36 ` Jonathan Cameron
2020-03-22 22:46 ` [PATCH v4 3/5] iio: adc: mp2629: Add support for mp2629 ADC driver Saravanan Sekar
2020-03-22 23:32 ` Andy Shevchenko
2020-03-28 14:42 ` Jonathan Cameron
2020-03-28 18:50 ` Andy Shevchenko
2020-03-29 10:37 ` saravanan sekar [this message]
2020-03-29 11:09 ` Andy Shevchenko
2020-03-22 22:46 ` [PATCH v4 4/5] power: supply: Add support for mps mp2629 battery charger Saravanan Sekar
2020-03-22 23:26 ` Andy Shevchenko
2020-03-23 12:29 ` saravanan sekar
2020-03-22 22:46 ` [PATCH v4 5/5] MAINTAINERS: Add entry for mp2629 Battery Charger driver Saravanan Sekar
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