Commit e254c274 authored by Ben Hutchings's avatar Ben Hutchings Committed by David S. Miller
Browse files

sfc: Clean up and correct comments on efx_monitor()

Signed-off-by: default avatarBen Hutchings <>
Signed-off-by: default avatarDavid S. Miller <>
parent 75abc51c
......@@ -124,8 +124,9 @@ MODULE_PARM_DESC(separate_tx_channels,
static int napi_weight = 64;
/* This is the time (in jiffies) between invocations of the hardware
* monitor, which checks for known hardware bugs and resets the
* hardware and driver as necessary.
* monitor. On Falcon-based NICs, this will:
* - Check the on-board hardware monitor;
* - Poll the link state and reconfigure the hardware as necessary.
unsigned int efx_monitor_interval = 1 * HZ;
......@@ -1545,8 +1546,7 @@ void efx_init_irq_moderation(struct efx_nic *efx, int tx_usecs, int rx_usecs,
/* Run periodically off the general workqueue. Serialised against
* efx_reconfigure_port via the mac_lock */
/* Run periodically off the general workqueue */
static void efx_monitor(struct work_struct *data)
struct efx_nic *efx = container_of(data, struct efx_nic,
......@@ -1559,16 +1559,13 @@ static void efx_monitor(struct work_struct *data)
/* If the mac_lock is already held then it is likely a port
* reconfiguration is already in place, which will likely do
* most of the work of check_hw() anyway. */
if (!mutex_trylock(&efx->mac_lock))
goto out_requeue;
if (!efx->port_enabled)
goto out_unlock;
* most of the work of monitor() anyway. */
if (mutex_trylock(&efx->mac_lock)) {
if (efx->port_enabled)
queue_delayed_work(efx->workqueue, &efx->monitor_work,
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