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authorJonathan Corbet <corbet@lwn.net>2019-07-22 13:42:10 -0600
committerJonathan Corbet <corbet@lwn.net>2019-07-22 13:42:10 -0600
commite27a24210aa17b8a0cd462865130fe73afd7e001 (patch)
treeb2d7b8311d280244fad3166792e8f447081a8bc9 /include/linux/ptp_clock_kernel.h
parent224d5fd43d250f850d64fb6d668114aff29d7022 (diff)
parent5f9e832c137075045d15cd6899ab0505cfb2ca4b (diff)
Merge tag 'v5.3-rc1' into docs-next
Pull in all of the massive docs changes from elsewhere.
Diffstat (limited to 'include/linux/ptp_clock_kernel.h')
-rw-r--r--include/linux/ptp_clock_kernel.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h
index 28eb9c792522..93cc4f1d444a 100644
--- a/include/linux/ptp_clock_kernel.h
+++ b/include/linux/ptp_clock_kernel.h
@@ -213,6 +213,14 @@ extern void ptp_clock_event(struct ptp_clock *ptp,
extern int ptp_clock_index(struct ptp_clock *ptp);
/**
+ * scaled_ppm_to_ppb() - convert scaled ppm to ppb
+ *
+ * @ppm: Parts per million, but with a 16 bit binary fractional field
+ */
+
+extern s32 scaled_ppm_to_ppb(long ppm);
+
+/**
* ptp_find_pin() - obtain the pin index of a given auxiliary function
*
* @ptp: The clock obtained from ptp_clock_register().