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Subject[PATCH v4 2/2] PTP: add support for one-shot output
Date
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 v3:
- Remove bogus bitwise negation

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 9a0af3511b68..f16301015949 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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