Messages in this thread Patch in this message | | | From | Felipe Balbi <> | Subject | [PATCH v3 2/2] PTP: add support for one-shot output | Date | Mon, 9 Sep 2019 10:59:40 +0300 |
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Some controllers allow for a one-shot output pulse, in contrast to periodic output. Now that we have extensible versions of our IOCTLs, we can finally make use of the 'flags' field to pass a bit telling driver that if we want one-shot pulse output.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> ---
Changes since v2: - Add _PEROUT_ to bit macro
Changes since v1: - remove comment from .flags field
include/uapi/linux/ptp_clock.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/uapi/linux/ptp_clock.h b/include/uapi/linux/ptp_clock.h index 12911785991b..cbdc0d97b471 100644 --- a/include/uapi/linux/ptp_clock.h +++ b/include/uapi/linux/ptp_clock.h @@ -38,8 +38,8 @@ /* * Bits of the ptp_perout_request.flags field: */ -#define PTP_PEROUT_VALID_FLAGS (~0) - +#define PTP_PEROUT_ONE_SHOT (1<<0) +#define PTP_PEROUT_VALID_FLAGS (~PTP_PEROUT_ONE_SHOT) /* * struct ptp_clock_time - represents a time value * @@ -77,7 +77,7 @@ struct ptp_perout_request { struct ptp_clock_time start; /* Absolute start time. */ struct ptp_clock_time period; /* Desired period, zero means disable. */ unsigned int index; /* Which channel to configure. */ - unsigned int flags; /* Reserved for future use. */ + unsigned int flags; unsigned int rsv[4]; /* Reserved for future use. */ }; -- 2.23.0
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