[PATCH] e100: Execute tx_timeout task outside interrupt context

Execute tx_timeout task outside the interrupt context

Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Signed-off-by: Ganesh Venkatesan <ganesh.venkatesan@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 1b68dd5a49b6..0f2837ebaab8 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -539,6 +539,7 @@ struct nic {
         struct timer_list watchdog;
         struct timer_list blink_timer;
         struct mii_if_info mii;
+        struct work_struct tx_timeout_task;
         enum loopback loopback;
 
         struct mem *mem;
@@ -1716,6 +1717,15 @@ static void e100_tx_timeout(struct net_device *netdev)
 {
         struct nic *nic = netdev_priv(netdev);
 
+        /* Reset outside of interrupt context, to avoid request_irq 
+         * in interrupt context */
+        schedule_work(&nic->tx_timeout_task);
+}
+
+static void e100_tx_timeout_task(struct net_device *netdev)
+{
+        struct nic *nic = netdev_priv(netdev);
+
         DPRINTK(TX_ERR, DEBUG, "scb.status=0x%02X\n",
                 readb(&nic->csr->scb.status));
         e100_down(netdev_priv(netdev));
@@ -2240,6 +2250,9 @@ static int __devinit e100_probe(struct pci_dev *pdev,
         nic->blink_timer.function = e100_blink_led;
         nic->blink_timer.data = (unsigned long)nic;
 
+        INIT_WORK(&nic->tx_timeout_task,
+                (void (*)(void *))e100_tx_timeout_task, netdev);
+
         if((err = e100_alloc(nic))) {
                 DPRINTK(PROBE, ERR, "Cannot alloc driver memory, aborting.\n");
                 goto err_out_iounmap;