The scaled ppm parameter passed to _adjfine() contains a 16 bit
fraction. This just happens to be the same as SUBNSINCR_SIZE now.
Hence define this separately.
Signed-off-by: Harini Katakam <harini.kata...@xilinx.com>
---
drivers/net/ethernet/cadence/macb.h | 3 +++
drivers/net/ethernet/cadence/macb_ptp.c | 2 +-
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/cadence/macb.h
b/drivers/net/ethernet/cadence/macb.h
index 515bfd2..90bc70b 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -834,6 +834,9 @@ struct gem_tx_ts {
/* limit RX checksum offload to TCP and UDP packets */
#define GEM_RX_CSUM_CHECKED_MASK 2
+/* Scaled PPM fraction */
+#define PPM_FRACTION 16
+
/* struct macb_tx_skb - data about an skb which is being transmitted
* @skb: skb currently being transmitted, only set for the last buffer
* of the frame
diff --git a/drivers/net/ethernet/cadence/macb_ptp.c
b/drivers/net/ethernet/cadence/macb_ptp.c
index 0a8aca8..6276eac 100644
--- a/drivers/net/ethernet/cadence/macb_ptp.c
+++ b/drivers/net/ethernet/cadence/macb_ptp.c
@@ -135,7 +135,7 @@ static int gem_ptp_adjfine(struct ptp_clock_info *ptp, long
scaled_ppm)
* (temp / USEC_PER_SEC) + 0.5
*/
adj += (USEC_PER_SEC >> 1);
- adj >>= GEM_SUBNSINCR_SIZE; /* remove fractions */
+ adj >>= PPM_FRACTION; /* remove fractions */
adj = div_u64(adj, USEC_PER_SEC);
adj = neg_adj ? (word - adj) : (word + adj);
--
2.7.4
