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iio: use timespec64 based interfaces for iio_get_time_ns()
We have replacements for all the deprecated timespec based interfaces now, so this can finally convert iio_get_time_ns() to consistently use the nanosecond or timespec64 based interfaces instead, avoiding the y2038 overflow. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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1 changed files with 9 additions and 17 deletions
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@ -208,35 +208,27 @@ static int iio_device_set_clock(struct iio_dev *indio_dev, clockid_t clock_id)
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*/
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*/
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s64 iio_get_time_ns(const struct iio_dev *indio_dev)
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s64 iio_get_time_ns(const struct iio_dev *indio_dev)
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{
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{
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struct timespec tp;
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struct timespec64 tp;
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switch (iio_device_get_clock(indio_dev)) {
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switch (iio_device_get_clock(indio_dev)) {
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case CLOCK_REALTIME:
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case CLOCK_REALTIME:
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ktime_get_real_ts(&tp);
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return ktime_get_real_ns();
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break;
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case CLOCK_MONOTONIC:
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case CLOCK_MONOTONIC:
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ktime_get_ts(&tp);
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return ktime_get_ns();
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break;
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case CLOCK_MONOTONIC_RAW:
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case CLOCK_MONOTONIC_RAW:
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getrawmonotonic(&tp);
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return ktime_get_raw_ns();
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break;
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case CLOCK_REALTIME_COARSE:
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case CLOCK_REALTIME_COARSE:
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tp = current_kernel_time();
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return ktime_to_ns(ktime_get_coarse_real());
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break;
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case CLOCK_MONOTONIC_COARSE:
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case CLOCK_MONOTONIC_COARSE:
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tp = get_monotonic_coarse();
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ktime_get_coarse_ts64(&tp);
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break;
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return timespec64_to_ns(&tp);
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case CLOCK_BOOTTIME:
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case CLOCK_BOOTTIME:
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get_monotonic_boottime(&tp);
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return ktime_get_boot_ns();
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break;
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case CLOCK_TAI:
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case CLOCK_TAI:
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timekeeping_clocktai(&tp);
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return ktime_get_tai_ns();
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break;
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default:
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default:
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BUG();
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BUG();
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}
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}
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return timespec_to_ns(&tp);
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}
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}
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EXPORT_SYMBOL(iio_get_time_ns);
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EXPORT_SYMBOL(iio_get_time_ns);
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