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Groups > linux.kernel > #1592141 > unrolled thread
| Started by | Andy Shevchenko <andy.shevchenko@gmail.com> |
|---|---|
| First post | 2017-03-03 18:10 +0100 |
| Last post | 2017-03-04 07:10 +0100 |
| Articles | 2 — 2 participants |
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Re: [PATCH v5 4/4] iio: accel: adxl345: Add SPI support Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-03-03 18:10 +0100
Re: [PATCH v5 4/4] iio: accel: adxl345: Add SPI support Eva Rachel Retuya <eraretuya@gmail.com> - 2017-03-04 07:10 +0100
| From | Andy Shevchenko <andy.shevchenko@gmail.com> |
|---|---|
| Date | 2017-03-03 18:10 +0100 |
| Subject | Re: [PATCH v5 4/4] iio: accel: adxl345: Add SPI support |
| Message-ID | <tgYSl-4fZ-3@gated-at.bofh.it> |
On Tue, Feb 28, 2017 at 4:37 AM, Eva Rachel Retuya <eraretuya@gmail.com> wrote:
> Add SPI driver that initializes SPI regmap for the adxl345 core driver.
> The driver supports the same functionality as I2C namely the x, y, z and
> scale readings.
Portion of minor comments.
> +config ADXL345_SPI
> + tristate "Analog Devices ADXL345 3-Axis Digital Accelerometer SPI Driver"
> + depends on !(INPUT_ADXL34X=y || INPUT_ADXL34X=m)
Same question. Would it be just
depends on INPUT_ADXL34X=n
?
> + /* Setting bits 7 and 6 enables multiple-byte read */
> + .read_flag_mask = BIT(7) | BIT(6),
GENMASK(7, 6) ?
> +static int adxl345_spi_probe(struct spi_device *spi)
> +{
> + struct regmap *regmap;
> + const struct spi_device_id *id = spi_get_device_id(spi);
Reverse order.
And usually we do assignments from function parameters first.
> + dev_err(&spi->dev, "Error initializing spi regmap: %d\n",
> + (int)PTR_ERR(regmap));
Ugly casting!
--
With Best Regards,
Andy Shevchenko
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| From | Eva Rachel Retuya <eraretuya@gmail.com> |
|---|---|
| Date | 2017-03-04 07:10 +0100 |
| Message-ID | <thb3b-4zi-3@gated-at.bofh.it> |
| In reply to | #1592141 |
On Fri, Mar 03, 2017 at 06:55:26PM +0200, Andy Shevchenko wrote:
> On Tue, Feb 28, 2017 at 4:37 AM, Eva Rachel Retuya <eraretuya@gmail.com> wrote:
> > Add SPI driver that initializes SPI regmap for the adxl345 core driver.
> > The driver supports the same functionality as I2C namely the x, y, z and
> > scale readings.
>
> Portion of minor comments.
>
> > +config ADXL345_SPI
> > + tristate "Analog Devices ADXL345 3-Axis Digital Accelerometer SPI Driver"
>
> > + depends on !(INPUT_ADXL34X=y || INPUT_ADXL34X=m)
>
> Same question. Would it be just
>
> depends on INPUT_ADXL34X=n
>
> ?
>
> > + /* Setting bits 7 and 6 enables multiple-byte read */
> > + .read_flag_mask = BIT(7) | BIT(6),
>
> GENMASK(7, 6) ?
>
True, but I would like to keep this as is. It is more readable and
obvious than GENMASK().
> > +static int adxl345_spi_probe(struct spi_device *spi)
> > +{
>
> > + struct regmap *regmap;
> > + const struct spi_device_id *id = spi_get_device_id(spi);
>
> Reverse order.
>
> And usually we do assignments from function parameters first.
Ack.
Thanks,
Eva
>
> > + dev_err(&spi->dev, "Error initializing spi regmap: %d\n",
> > + (int)PTR_ERR(regmap));
>
> Ugly casting!
>
> --
> With Best Regards,
> Andy Shevchenko
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