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authorRaju Rangoju <rajur@chelsio.com>2020-03-24 14:40:00 +0300
committerDavid S. Miller <davem@davemloft.net>2020-03-25 02:23:55 +0300
commit50e0d28d3808146cc19b0d5564ef4ba9e5bf3846 (patch)
tree7861eac59517a302dd8cf03ece082d36f2a15c18 /drivers/net/ethernet
parente80f40cbe4dd51371818e967d40da8fe305db5e4 (diff)
downloadlinux-50e0d28d3808146cc19b0d5564ef4ba9e5bf3846.tar.xz
cxgb4/ptp: pass the sign of offset delta in FW CMD
cxgb4_ptp_fineadjtime() doesn't pass the signedness of offset delta in FW_PTP_CMD. Fix it by passing correct sign. Signed-off-by: Raju Rangoju <rajur@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c
index 58a039c3224a..af1f40cbccc8 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c
@@ -246,6 +246,9 @@ static int cxgb4_ptp_fineadjtime(struct adapter *adapter, s64 delta)
FW_PTP_CMD_PORTID_V(0));
c.retval_len16 = cpu_to_be32(FW_CMD_LEN16_V(sizeof(c) / 16));
c.u.ts.sc = FW_PTP_SC_ADJ_FTIME;
+ c.u.ts.sign = (delta < 0) ? 1 : 0;
+ if (delta < 0)
+ delta = -delta;
c.u.ts.tm = cpu_to_be64(delta);
err = t4_wr_mbox(adapter, adapter->mbox, &c, sizeof(c), NULL);