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path: root/drivers/net/ethernet/sfc/mcdi.c
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Diffstat (limited to 'drivers/net/ethernet/sfc/mcdi.c')
-rw-r--r--drivers/net/ethernet/sfc/mcdi.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c
index 98d172b04f71..41fb6b60a3f0 100644
--- a/drivers/net/ethernet/sfc/mcdi.c
+++ b/drivers/net/ethernet/sfc/mcdi.c
@@ -9,7 +9,7 @@
#include <linux/delay.h>
#include <linux/moduleparam.h>
-#include <asm/cmpxchg.h>
+#include <linux/atomic.h>
#include "net_driver.h"
#include "nic.h"
#include "io.h"
@@ -1028,10 +1028,21 @@ static void efx_mcdi_ev_death(struct efx_nic *efx, int rc)
/* Consume the status word since efx_mcdi_rpc_finish() won't */
for (count = 0; count < MCDI_STATUS_DELAY_COUNT; ++count) {
- if (efx_mcdi_poll_reboot(efx))
+ rc = efx_mcdi_poll_reboot(efx);
+ if (rc)
break;
udelay(MCDI_STATUS_DELAY_US);
}
+
+ /* On EF10, a CODE_MC_REBOOT event can be received without the
+ * reboot detection in efx_mcdi_poll_reboot() being triggered.
+ * If zero was returned from the final call to
+ * efx_mcdi_poll_reboot(), the MC reboot wasn't noticed but the
+ * MC has definitely rebooted so prepare for the reset.
+ */
+ if (!rc && efx->type->mcdi_reboot_detected)
+ efx->type->mcdi_reboot_detected(efx);
+
mcdi->new_epoch = true;
/* Nobody was waiting for an MCDI request, so trigger a reset */