IB/mthca: Remove "stop" flag for catastrophic error polling timer

Since we use del_timer_sync() anyway, there's no need for an
additional flag to tell the timer not to rearm.

Signed-off-by: Roland Dreier <rolandd@cisco.com>

2 files changed, 2 insertions, 14 deletions

diff --git a/drivers/infiniband/hw/mthca/mthca_catas.c b/drivers/infiniband/hw/mthca/mthca_catas.c
index 40573e48439..50e2792e60c 100644
--- a/drivers/infiniband/hw/mthca/mthca_catas.c
+++ b/drivers/infiniband/hw/mthca/mthca_catas.c
@@ -126,7 +126,6 @@ static void handle_catas(struct mthca_dev *dev)
 static void poll_catas(unsigned long dev_ptr)
 {
         struct mthca_dev *dev = (struct mthca_dev *) dev_ptr;
-        unsigned long flags;
         int i;
 
         for (i = 0; i < dev->catas_err.size; ++i)
@@ -135,13 +134,8 @@ static void poll_catas(unsigned long dev_ptr)
                         return;
                 }
 
-        spin_lock_irqsave(&catas_lock, flags);
-        if (!dev->catas_err.stop)
-                mod_timer(&dev->catas_err.timer,
-                          jiffies + MTHCA_CATAS_POLL_INTERVAL);
-        spin_unlock_irqrestore(&catas_lock, flags);
-
-        return;
+        mod_timer(&dev->catas_err.timer,
+                  jiffies + MTHCA_CATAS_POLL_INTERVAL);
 }
 
 void mthca_start_catas_poll(struct mthca_dev *dev)
@@ -149,7 +143,6 @@ void mthca_start_catas_poll(struct mthca_dev *dev)
         unsigned long addr;
 
         init_timer(&dev->catas_err.timer);
-        dev->catas_err.stop = 0;
         dev->catas_err.map  = NULL;
 
         addr = pci_resource_start(dev->pdev, 0) +
@@ -180,10 +173,6 @@ void mthca_start_catas_poll(struct mthca_dev *dev)
 
 void mthca_stop_catas_poll(struct mthca_dev *dev)
 {
-        spin_lock_irq(&catas_lock);
-        dev->catas_err.stop = 1;
-        spin_unlock_irq(&catas_lock);
-
         del_timer_sync(&dev->catas_err.timer);
 
         if (dev->catas_err.map) {
diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h
index 2997d8d564e..ee4d073c889 100644
--- a/drivers/infiniband/hw/mthca/mthca_dev.h
+++ b/drivers/infiniband/hw/mthca/mthca_dev.h
@@ -277,7 +277,6 @@ struct mthca_mcg_table {
 struct mthca_catas_err {
         u64                     addr;
         u32 __iomem            *map;
-        unsigned long           stop;
         u32                     size;
         struct timer_list       timer;
         struct list_head        list;