Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide

[karo-tx-linux.git] / drivers / net / ethernet / sfc / mcdi.c

diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c
index 98d172b04f71815a1105b304ea5cadfa552687a2..41fb6b60a3f07e11444e0d62430aca937f7e84ea 100644 (file)
--- 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 */