i40e: remove un-necessary io-write

Driver needs to clean PBA only when interrupts are turned off and we
are polling instead.

Change-Id: Ic0c1da761bd3abe7f73b1cc8bcddf8e3a232fd0f
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 4fcd55cc57d93db548516329159a6ba2817a8e78..55fd23d8d5fee3ef6824ce867d0588c0d3219174 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -2769,10 +2769,6 @@ static irqreturn_t i40e_intr(int irq, void *data)
 
        icr0 = rd32(hw, I40E_PFINT_ICR0);
 
-       val = rd32(hw, I40E_PFINT_DYN_CTL0);
-       val = val | I40E_PFINT_DYN_CTL0_CLEARPBA_MASK;
-       wr32(hw, I40E_PFINT_DYN_CTL0, val);
-
        /* if sharing a legacy IRQ, we might get called w/o an intr pending */
        if ((icr0 & I40E_PFINT_ICR0_INTEVENT_MASK) == 0)
                return IRQ_NONE;