Re: [PATCH v5 4/4] iio: accel: adxl345: Add SPI support
From: Andy Shevchenko
Date: Fri Mar 03 2017 - 12:07:12 EST
On Tue, Feb 28, 2017 at 4:37 AM, Eva Rachel Retuya <eraretuya@xxxxxxxxx> 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