7a842ed6e3
Using devm_iio_device_alloc makes code simpler. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
/*
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* STMicroelectronics gyroscopes driver
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*
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* Copyright 2012-2013 STMicroelectronics Inc.
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*
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* Denis Ciocca <denis.ciocca@st.com>
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*
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* Licensed under the GPL-2.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/spi/spi.h>
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#include <linux/iio/iio.h>
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#include <linux/iio/common/st_sensors.h>
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#include <linux/iio/common/st_sensors_spi.h>
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#include "st_gyro.h"
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static int st_gyro_spi_probe(struct spi_device *spi)
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{
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struct iio_dev *indio_dev;
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struct st_sensor_data *gdata;
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int err;
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indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*gdata));
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if (!indio_dev)
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return -ENOMEM;
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gdata = iio_priv(indio_dev);
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gdata->dev = &spi->dev;
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st_sensors_spi_configure(indio_dev, spi, gdata);
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err = st_gyro_common_probe(indio_dev,
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(struct st_sensors_platform_data *)&gyro_pdata);
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if (err < 0)
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return err;
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return 0;
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}
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static int st_gyro_spi_remove(struct spi_device *spi)
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{
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st_gyro_common_remove(spi_get_drvdata(spi));
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return 0;
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}
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static const struct spi_device_id st_gyro_id_table[] = {
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{ L3G4200D_GYRO_DEV_NAME },
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{ LSM330D_GYRO_DEV_NAME },
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{ LSM330DL_GYRO_DEV_NAME },
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{ LSM330DLC_GYRO_DEV_NAME },
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{ L3GD20_GYRO_DEV_NAME },
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{ L3GD20H_GYRO_DEV_NAME },
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{ L3G4IS_GYRO_DEV_NAME },
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{ LSM330_GYRO_DEV_NAME },
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{},
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};
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MODULE_DEVICE_TABLE(spi, st_gyro_id_table);
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static struct spi_driver st_gyro_driver = {
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.driver = {
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.owner = THIS_MODULE,
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.name = "st-gyro-spi",
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},
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.probe = st_gyro_spi_probe,
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.remove = st_gyro_spi_remove,
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.id_table = st_gyro_id_table,
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};
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module_spi_driver(st_gyro_driver);
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MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
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MODULE_DESCRIPTION("STMicroelectronics gyroscopes spi driver");
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MODULE_LICENSE("GPL v2");
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