Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 2d978a95 authored by Ralph Campbell's avatar Ralph Campbell Committed by Roland Dreier
Browse files

IB/qib: Turn off IB latency mode 



Turn off IB latency mode. This improves link quality for slower
process chips.

Signed-off-by: default avatarRalph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent dd378c21

drivers/infiniband/hw/qib/qib_iba7322.c

+2 −0
Original line number Diff line number Diff line
@@ -7271,6 +7271,8 @@ static int serdes_7322_init(struct qib_pportdata *ppd) 
	ibsd_wr_allchans(ppd, 20, (4 << 13), BMASK(15, 13)); /* SDR */



	data = qib_read_kreg_port(ppd, krp_serdesctrl);

	/* Turn off IB latency mode */

	data &= ~SYM_MASK(IBSerdesCtrl_0, IB_LAT_MODE);

	qib_write_kreg_port(ppd, krp_serdesctrl, data |

		SYM_MASK(IBSerdesCtrl_0, RXLOSEN));