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IB/ipath: Fix bug that can leave sends disabled after freeze recovery
The semantics of cancel_sends changed, but the code using it was missed. Don't leave sends and pioavail updates disabled, and add a comment as to why the force update is needed. Signed-off-by: Dave Olson <dave.olson@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
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@ -933,11 +933,15 @@ void ipath_clear_freeze(struct ipath_devdata *dd)
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* therefore would not be sent, and eventually
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* therefore would not be sent, and eventually
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* might cause the process to run out of bufs
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* might cause the process to run out of bufs
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*/
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*/
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ipath_cancel_sends(dd, 0);
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ipath_cancel_sends(dd, 1);
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ipath_write_kreg(dd, dd->ipath_kregs->kr_control,
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ipath_write_kreg(dd, dd->ipath_kregs->kr_control,
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dd->ipath_control);
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dd->ipath_control);
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/* ensure pio avail updates continue */
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/*
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* ensure pio avail updates continue (because the update
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* won't have happened from cancel_sends because we were
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* still in freeze
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*/
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ipath_force_pio_avail_update(dd);
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ipath_force_pio_avail_update(dd);
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/*
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/*
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