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iio: adc: ina2xx: remove unused debug field from chip global data

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commit 1961bce764 "iio: ina2xx: Remove trace_printk debug
statements" removed the code that used the chip->prev_ns field.
This patch cleans it up further by removing the unused field
and assignments.

Signed-off-by: Alison Schofield <amsfield22@gmail.com>
Cc: Daniel Baluta <daniel.baluta@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Alison Schofield 2016-09-02 19:54:21 -07:00 committed by Jonathan Cameron
parent c8cdf70890
commit c060991912
1 changed files with 0 additions and 5 deletions
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5
drivers/iio/adc/ina2xx-adc.c
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@ -114,7 +114,6 @@ struct ina2xx_chip_info {
struct mutex state_lock;
unsigned int shunt_resistor;
int avg;
s64 prev_ns; /* track buffer capture time, check for underruns */
int int_time_vbus; /* Bus voltage integration time uS */
int int_time_vshunt; /* Shunt voltage integration time uS */
bool allow_async_readout;
@ -509,8 +508,6 @@ static int ina2xx_work_buffer(struct iio_dev *indio_dev)
iio_push_to_buffers_with_timestamp(indio_dev,
(unsigned int *)data, time_a);
chip->prev_ns = time_a;
return (unsigned long)(time_b - time_a) / 1000;
};
@ -554,8 +551,6 @@ static int ina2xx_buffer_enable(struct iio_dev *indio_dev)
dev_dbg(&indio_dev->dev, "Async readout mode: %d\n",
chip->allow_async_readout);
chip->prev_ns = iio_get_time_ns(indio_dev);
chip->task = kthread_run(ina2xx_capture_thread, (void *)indio_dev,
"%s:%d-%uus", indio_dev->name, indio_dev->id,
sampling_us);