sfc: Fix EEH with legacy interrupts.

[~andy/linux] / drivers / net / ethernet / sfc / efx.c

diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index 46cc11d5e205a22cdb6e6e4308731ea0b75b8b93..787c9ebc17eed595a6cac416f1c102e9ede63b1a 100644 (file)
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -23,6 +23,7 @@
 #include <linux/gfp.h>
 #include <linux/cpu_rmap.h>
 #include <linux/aer.h>
+#include <linux/interrupt.h>
 #include "net_driver.h"
 #include "efx.h"
 #include "nic.h"
@@ -1427,6 +1428,10 @@ static void efx_start_interrupts(struct efx_nic *efx, bool may_keep_eventq)
 
        BUG_ON(efx->state == STATE_DISABLED);
 
+       if (efx->eeh_disabled_legacy_irq) {
+               enable_irq(efx->legacy_irq);
+               efx->eeh_disabled_legacy_irq = false;
+       }
        if (efx->legacy_irq)
                efx->legacy_irq_enabled = true;
        efx_nic_enable_interrupts(efx);
@@ -2365,7 +2370,7 @@ out:
  * Returns 0 if the recovery mechanisms are unsuccessful.
  * Returns a non-zero value otherwise.
  */
-static int efx_try_recovery(struct efx_nic *efx)
+int efx_try_recovery(struct efx_nic *efx)
 {
 #ifdef CONFIG_EEH
        /* A PCI error can occur and not be seen by EEH because nothing