target/linux/generic/patches-3.18/071-bgmac-activate-irqs-only-if-there-is-nothing-to-poll.patch

   1 From 43f159c60a99318b1ef7d1d7c16c4dfdd06bfd90 Mon Sep 17 00:00:00 2001
   2 From: Hauke Mehrtens <hauke@hauke-m.de>
   3 Date: Sun, 18 Jan 2015 19:49:59 +0100
   4 Subject: [PATCH] bgmac: activate irqs only if there is nothing to poll
   5
   6 IRQs should only get activated when there is nothing to poll in the
   7 queue any more and to after every poll.
   8
   9 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
  10 Signed-off-by: David S. Miller <davem@davemloft.net>
  11 ---
  12  drivers/net/ethernet/broadcom/bgmac.c | 6 +++---
  13  1 file changed, 3 insertions(+), 3 deletions(-)
  14
  15 --- a/drivers/net/ethernet/broadcom/bgmac.c
  16 +++ b/drivers/net/ethernet/broadcom/bgmac.c
  17 @@ -1167,10 +1167,10 @@ static int bgmac_poll(struct napi_struct
  18                 bgmac->int_status = 0;
  19         }
  20
  21 -       if (handled < weight)
  22 +       if (handled < weight) {
  23                 napi_complete(napi);
  24 -
  25 -       bgmac_chip_intrs_on(bgmac);
  26 +               bgmac_chip_intrs_on(bgmac);
  27 +       }
  28
  29         return handled;
  30  }