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Commit 2d757a7c authored by Ralph Campbell's avatar Ralph Campbell Committed by Roland Dreier
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IB/qib: Clear 6120 hardware error register 



The hardware error register needs to be cleared or another interrupt
will be generated, thus causing an infinite loop.  This is a
regression introduced when removing debug output.

Signed-off-by: default avatarRalph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent 5df4223a

drivers/infiniband/hw/qib/qib_iba6120.c

+1 −2
Original line number Diff line number Diff line
@@ -1355,7 +1355,6 @@ static int qib_6120_bringup_serdes(struct qib_pportdata *ppd) 
	hwstat = qib_read_kreg64(dd, kr_hwerrstatus);

	if (hwstat) {

		/* should just have PLL, clear all set, in an case */

		if (hwstat & ~QLOGIC_IB_HWE_SERDESPLLFAILED)

		qib_write_kreg(dd, kr_hwerrclear, hwstat);

		qib_write_kreg(dd, kr_errclear, ERR_MASK(HardwareErr));

	}