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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>
hifive-unleashed-5.1
Anjali Singhai Jain 2013-11-28 06:39:40 +00:00 committed by Jeff Kirsher
parent 7b86228902
commit c3f0c4fedf
1 changed files with 0 additions and 4 deletions
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4
drivers/net/ethernet/intel/i40e/i40e_main.c
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@ -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;