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-rw-r--r--kernel/include/uapi/linux/hsi/cs-protocol.h16
1 files changed, 11 insertions, 5 deletions
diff --git a/kernel/include/uapi/linux/hsi/cs-protocol.h b/kernel/include/uapi/linux/hsi/cs-protocol.h
index 4957bba57..f153d6ea7 100644
--- a/kernel/include/uapi/linux/hsi/cs-protocol.h
+++ b/kernel/include/uapi/linux/hsi/cs-protocol.h
@@ -76,6 +76,15 @@ struct cs_buffer_config {
};
/*
+ * struct for monotonic timestamp taken when the
+ * last control command was received
+ */
+struct cs_timestamp {
+ __u32 tv_sec; /* seconds */
+ __u32 tv_nsec; /* nanoseconds */
+};
+
+/*
* Struct describing the layout and contents of the driver mmap area.
* This information is meant as read-only information for the application.
*/
@@ -91,11 +100,8 @@ struct cs_mmap_config_block {
__u32 rx_ptr;
__u32 rx_ptr_boundary;
__u32 reserved3[2];
- /*
- * if enabled with CS_FEAT_TSTAMP_RX_CTRL, monotonic
- * timestamp taken when the last control command was received
- */
- struct timespec tstamp_rx_ctrl;
+ /* enabled with CS_FEAT_TSTAMP_RX_CTRL */
+ struct cs_timestamp tstamp_rx_ctrl;
};
#define CS_IO_MAGIC 'C'