[v1,6/7] iio: adc: ina2xx: Align timestamp with conversion ready flag
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Message ID 736b34cf-67f8-4f3b-b0b6-f1dfe18255ba@rwthex-w2-a.rwth-ad.de
State New
Headers show

Commit Message

Stefan Brüns Dec. 8, 2017, 5:41 p.m. UTC
As the timestamp is no longer (ab-)used to measure the function run time,
it can be taken at the correct time, i.e. when the conversion has finished.

Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
---

 drivers/iio/adc/ina2xx-adc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch
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diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c
index 65bd9e69faf2..0a6745e15a5d 100644
--- a/drivers/iio/adc/ina2xx-adc.c
+++ b/drivers/iio/adc/ina2xx-adc.c
@@ -706,8 +706,6 @@  static int ina2xx_work_buffer(struct iio_dev *indio_dev)
 	s64 time;
 	unsigned int alert;
 
-	time = iio_get_time_ns(indio_dev);
-
 	/*
 	 * Because the timer thread and the chip conversion clock
 	 * are asynchronous, the period difference will eventually
@@ -736,6 +734,8 @@  static int ina2xx_work_buffer(struct iio_dev *indio_dev)
 
 		} while (!alert);
 
+	time = iio_get_time_ns(indio_dev);
+
 	/*
 	 * Single register reads: bulk_read will not work with ina226/219
 	 * as there is no auto-increment of the register pointer.