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be4ac8321f
Since we put static variable to a header file it's copied to each module
that includes the header. But not all of them are actually used it.
Mark default_press_pdata with __maybe_unused to calm a compiler down:
In file included from drivers/iio/pressure/st_pressure_spi.c:18:
drivers/iio/pressure/st_pressure.h:40:46: warning: ‘default_press_pdata’ defined but not used [-Wunused-const-variable=]
40 | static const struct st_sensors_platform_data default_press_pdata = {
| ^~~~~~~~~~~~~~~~~~~
...
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* STMicroelectronics pressures driver
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*
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* Copyright 2013 STMicroelectronics Inc.
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*
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* Denis Ciocca <denis.ciocca@st.com>
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* v. 1.0.0
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*/
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#ifndef ST_PRESS_H
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#define ST_PRESS_H
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#include <linux/types.h>
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#include <linux/iio/common/st_sensors.h>
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enum st_press_type {
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LPS001WP,
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LPS25H,
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LPS331AP,
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LPS22HB,
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LPS33HW,
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LPS35HW,
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LPS22HH,
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ST_PRESS_MAX,
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};
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#define LPS001WP_PRESS_DEV_NAME "lps001wp"
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#define LPS25H_PRESS_DEV_NAME "lps25h"
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#define LPS331AP_PRESS_DEV_NAME "lps331ap"
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#define LPS22HB_PRESS_DEV_NAME "lps22hb"
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#define LPS33HW_PRESS_DEV_NAME "lps33hw"
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#define LPS35HW_PRESS_DEV_NAME "lps35hw"
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#define LPS22HH_PRESS_DEV_NAME "lps22hh"
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/**
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* struct st_sensors_platform_data - default press platform data
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* @drdy_int_pin: default press DRDY is available on INT1 pin.
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*/
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static __maybe_unused const struct st_sensors_platform_data default_press_pdata = {
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.drdy_int_pin = 1,
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};
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const struct st_sensor_settings *st_press_get_settings(const char *name);
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int st_press_common_probe(struct iio_dev *indio_dev);
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void st_press_common_remove(struct iio_dev *indio_dev);
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#ifdef CONFIG_IIO_BUFFER
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int st_press_allocate_ring(struct iio_dev *indio_dev);
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void st_press_deallocate_ring(struct iio_dev *indio_dev);
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int st_press_trig_set_state(struct iio_trigger *trig, bool state);
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#define ST_PRESS_TRIGGER_SET_STATE (&st_press_trig_set_state)
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#else /* CONFIG_IIO_BUFFER */
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static inline int st_press_allocate_ring(struct iio_dev *indio_dev)
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{
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return 0;
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}
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static inline void st_press_deallocate_ring(struct iio_dev *indio_dev)
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{
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}
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#define ST_PRESS_TRIGGER_SET_STATE NULL
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#endif /* CONFIG_IIO_BUFFER */
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#endif /* ST_PRESS_H */
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