cnic: Convert cnic_local_flags to atomic ops.
It is easier to expand the flags for other purposes because it does
not require a spin_lock. The next bug fix patch needs a flag in
cnic_local_flags.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index 4b08b18..7c6d325 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -1143,12 +1143,12 @@
spin_lock_bh(&cp->cnic_ulp_lock);
if (num_wqes > cnic_kwq_avail(cp) &&
- !(cp->cnic_local_flags & CNIC_LCL_FL_KWQ_INIT)) {
+ !test_bit(CNIC_LCL_FL_KWQ_INIT, &cp->cnic_local_flags)) {
spin_unlock_bh(&cp->cnic_ulp_lock);
return -EAGAIN;
}
- cp->cnic_local_flags &= ~CNIC_LCL_FL_KWQ_INIT;
+ clear_bit(CNIC_LCL_FL_KWQ_INIT, &cp->cnic_local_flags);
prod = cp->kwq_prod_idx;
sw_prod = prod & MAX_KWQ_IDX;
@@ -3690,7 +3690,7 @@
cp->max_kwq_idx = MAX_KWQ_IDX;
cp->kwq_prod_idx = 0;
cp->kwq_con_idx = 0;
- cp->cnic_local_flags |= CNIC_LCL_FL_KWQ_INIT;
+ set_bit(CNIC_LCL_FL_KWQ_INIT, &cp->cnic_local_flags);
if (CHIP_NUM(cp) == CHIP_NUM_5706 || CHIP_NUM(cp) == CHIP_NUM_5708)
cp->kwq_con_idx_ptr = &sblk->status_rx_quick_consumer_index15;