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path: root/drivers/net/sfc/falcon.c
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Diffstat (limited to 'drivers/net/sfc/falcon.c')
-rw-r--r--drivers/net/sfc/falcon.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index d9412f83a78e..d5378e60fcdd 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1883,7 +1883,7 @@ static int falcon_reset_macs(struct efx_nic *efx)
/* MAC stats will fail whilst the TX fifo is draining. Serialise
* the drain sequence with the statistics fetch */
- spin_lock(&efx->stats_lock);
+ efx_stats_disable(efx);
falcon_read(efx, &reg, MAC0_CTRL_REG_KER);
EFX_SET_OWORD_FIELD(reg, TXFIFO_DRAIN_EN_B0, 1);
@@ -1913,7 +1913,7 @@ static int falcon_reset_macs(struct efx_nic *efx)
udelay(10);
}
- spin_unlock(&efx->stats_lock);
+ efx_stats_enable(efx);
/* If we've reset the EM block and the link is up, then
* we'll have to kick the XAUI link so the PHY can recover */
@@ -2273,6 +2273,10 @@ int falcon_switch_mac(struct efx_nic *efx)
struct efx_mac_operations *old_mac_op = efx->mac_op;
efx_oword_t nic_stat;
unsigned strap_val;
+ int rc = 0;
+
+ /* Don't try to fetch MAC stats while we're switching MACs */
+ efx_stats_disable(efx);
/* Internal loopbacks override the phy speed setting */
if (efx->loopback_mode == LOOPBACK_GMAC) {
@@ -2302,13 +2306,16 @@ int falcon_switch_mac(struct efx_nic *efx)
}
if (old_mac_op == efx->mac_op)
- return 0;
+ goto out;
EFX_LOG(efx, "selected %cMAC\n", EFX_IS10G(efx) ? 'X' : 'G');
/* Not all macs support a mac-level link state */
efx->mac_up = true;
- return falcon_reset_macs(efx);
+ rc = falcon_reset_macs(efx);
+out:
+ efx_stats_enable(efx);
+ return rc;
}
/* This call is responsible for hooking in the MAC and PHY operations */