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Commit 9f5754e3 authored by Mitko Haralanov's avatar Mitko Haralanov Committed by Roland Dreier
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IB/qib: Prevent driver hang with unprogrammed boards 



The time limit test now correctly checks against current jiffies to
avoid the hang.

Signed-off-by: default avatarMitko Haralanov <mitko@qlogic.com>
Signed-off-by: default avatarMike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: default avatarRoland Dreier <roland@purestorage.com>
parent 693d92a1

drivers/infiniband/hw/qib/qib_iba7322.c

+2 −1
Original line number Diff line number Diff line
@@ -7534,7 +7534,8 @@ static int serdes_7322_init_new(struct qib_pportdata *ppd) 
	ibsd_wr_allchans(ppd, 4, (1 << 10), BMASK(10, 10));

	tstart = get_jiffies_64();

	while (chan_done &&

	       !time_after64(tstart, tstart + msecs_to_jiffies(500))) {

	       !time_after64(get_jiffies_64(),

			tstart + msecs_to_jiffies(500))) {

		msleep(20);

		for (chan = 0; chan < SERDES_CHANS; ++chan) {

			rxcaldone = ahb_mod(ppd->dd, IBSD(ppd->hw_pidx),