[PATCH] iio: core: drop iio_get_time_res()

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From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>

This function was introduced with the ability to pick a clock.
There are no upstream users so presumably it isn't as obviously useful
as it seemed at the time.  Hence drop it.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
---
 drivers/iio/industrialio-core.c | 23 -----------------------
 include/linux/iio/iio.h         |  1 -
 2 files changed, 24 deletions(-)

diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index e1ed44dec2ab..5d6c62d4a83d 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -320,29 +320,6 @@ s64 iio_get_time_ns(const struct iio_dev *indio_dev)
 }
 EXPORT_SYMBOL(iio_get_time_ns);
 
-/**
- * iio_get_time_res() - utility function to get time stamp clock resolution in
- *                      nano seconds.
- * @indio_dev: device
- */
-unsigned int iio_get_time_res(const struct iio_dev *indio_dev)
-{
-	switch (iio_device_get_clock(indio_dev)) {
-	case CLOCK_REALTIME:
-	case CLOCK_MONOTONIC:
-	case CLOCK_MONOTONIC_RAW:
-	case CLOCK_BOOTTIME:
-	case CLOCK_TAI:
-		return hrtimer_resolution;
-	case CLOCK_REALTIME_COARSE:
-	case CLOCK_MONOTONIC_COARSE:
-		return LOW_RES_NSEC;
-	default:
-		BUG();
-	}
-}
-EXPORT_SYMBOL(iio_get_time_res);
-
 static int __init iio_init(void)
 {
 	int ret;
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index faf00f2c0be6..13cd5f41b0de 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -313,7 +313,6 @@ static inline bool iio_channel_has_available(const struct iio_chan_spec *chan,
 }
 
 s64 iio_get_time_ns(const struct iio_dev *indio_dev);
-unsigned int iio_get_time_res(const struct iio_dev *indio_dev);
 
 /* Device operating modes */
 #define INDIO_DIRECT_MODE		0x01
-- 
2.35.1




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