Message ID | CAK8P3a1emKA1VAsfgQV=pfUnADwYc=MCLeBrT1idDbvO2WgVAw@mail.gmail.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Hi Arnd, On 4 June 2018 at 17:17, Arnd Bergmann <arnd@arndb.de> wrote: > On Mon, Jun 4, 2018 at 11:07 AM, Baolin Wang <baolin.wang@linaro.org> wrote: >> The struct timespec is not y2038 safe on 32bit machines, thus this patch >> converts to use timespec64 variables and related APIs to get a time stamp >> for events etc. >> >> Signed-off-by: Baolin Wang <baolin.wang@linaro.org> > > Hi Baolin, > > I was waiting with this for the new header file cleanup to land. Thomas > merged that one recently, so now we should be able to do this more nicely: Thanks to point this out. Yes, let's use your nice patch. > > diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c > index 19bdf3d2962a..fcbe92c34a3d 100644 > --- a/drivers/iio/industrialio-core.c > +++ b/drivers/iio/industrialio-core.c > @@ -207,35 +207,27 @@ static int iio_device_set_clock(struct iio_dev > *indio_dev, clockid_t clock_id) > */ > s64 iio_get_time_ns(const struct iio_dev *indio_dev) > { > - struct timespec tp; > + struct timespec64 tp; > > switch (iio_device_get_clock(indio_dev)) { > case CLOCK_REALTIME: > - ktime_get_real_ts(&tp); > - break; > + return ktime_get_real_ns(); > case CLOCK_MONOTONIC: > - ktime_get_ts(&tp); > - break; > + return ktime_get_ns(); > case CLOCK_MONOTONIC_RAW: > - getrawmonotonic(&tp); > - break; > + return ktime_get_raw_ns(); > case CLOCK_REALTIME_COARSE: > - tp = current_kernel_time(); > - break; > + return ktime_to_ns(ktime_get_coarse_real()); > case CLOCK_MONOTONIC_COARSE: > - tp = get_monotonic_coarse(); > - break; > + ktime_get_coarse_ts64(&tp); > + return timespec64_to_ns(&tp); > case CLOCK_BOOTTIME: > - get_monotonic_boottime(&tp); > - break; > + return ktime_get_boot_ns(); > case CLOCK_TAI: > - timekeeping_clocktai(&tp); > - break; > + return ktime_get_tai_ns(); > default: > BUG(); > } > - > - return timespec_to_ns(&tp); > } > EXPORT_SYMBOL(iio_get_time_ns);
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 19bdf3d2962a..fcbe92c34a3d 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -207,35 +207,27 @@ static int iio_device_set_clock(struct iio_dev *indio_dev, clockid_t clock_id) */ s64 iio_get_time_ns(const struct iio_dev *indio_dev) { - struct timespec tp; + struct timespec64 tp; switch (iio_device_get_clock(indio_dev)) { case CLOCK_REALTIME: - ktime_get_real_ts(&tp); - break; + return ktime_get_real_ns(); case CLOCK_MONOTONIC: - ktime_get_ts(&tp); - break; + return ktime_get_ns(); case CLOCK_MONOTONIC_RAW: - getrawmonotonic(&tp); - break; + return ktime_get_raw_ns(); case CLOCK_REALTIME_COARSE: - tp = current_kernel_time(); - break; + return ktime_to_ns(ktime_get_coarse_real()); case CLOCK_MONOTONIC_COARSE: - tp = get_monotonic_coarse(); - break; + ktime_get_coarse_ts64(&tp); + return timespec64_to_ns(&tp); case CLOCK_BOOTTIME: - get_monotonic_boottime(&tp); - break; + return ktime_get_boot_ns(); case CLOCK_TAI: - timekeeping_clocktai(&tp); - break; + return ktime_get_tai_ns(); default: BUG(); } - - return timespec_to_ns(&tp); } EXPORT_SYMBOL(iio_get_time_ns);