IB/qib: Turn off IB latency mode
Turn off IB latency mode. This improves link quality for slower process chips. Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
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@ -7271,6 +7271,8 @@ static int serdes_7322_init(struct qib_pportdata *ppd)
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ibsd_wr_allchans(ppd, 20, (4 << 13), BMASK(15, 13)); /* SDR */
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data = qib_read_kreg_port(ppd, krp_serdesctrl);
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/* Turn off IB latency mode */
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data &= ~SYM_MASK(IBSerdesCtrl_0, IB_LAT_MODE);
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qib_write_kreg_port(ppd, krp_serdesctrl, data |
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SYM_MASK(IBSerdesCtrl_0, RXLOSEN));
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