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cxgb4/ptp: pass the sign of offset delta in FW CMD

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[ Upstream commit 50e0d28d38 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Raju Rangoju
2020-03-24 17:10:00 +05:30
committed by Greg Kroah-Hartman
parent 5b274de8f4
commit 0c36582cf8
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c
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@@ -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);