target/linux/generic/patches-4.0/072-15-bgmac-fix-requests-for-extra-polling-calls-from-NAPI.patch

   1 From 047f89922c6381432501f248d08226ff9adc4ee3 Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
   3 Date: Thu, 23 Apr 2015 20:45:25 +0200
   4 Subject: [PATCH][FIX 4.1] bgmac: fix requests for extra polling calls from
   5  NAPI
   6 MIME-Version: 1.0
   7 Content-Type: text/plain; charset=UTF-8
   8 Content-Transfer-Encoding: 8bit
   9
  10 After d75b1ade567f ("net: less interrupt masking in NAPI") polling
  11 function has to return whole budget when it wants NAPI to call it again.
  12
  13 Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
  14 Cc: Felix Fietkau <nbd@openwrt.org>
  15 Fixes: eb64e2923a886 ("bgmac: leave interrupts disabled as long as there is work to do")
  16 ---
  17  drivers/net/ethernet/broadcom/bgmac.c | 2 +-
  18  1 file changed, 1 insertion(+), 1 deletion(-)
  19
  20 --- a/drivers/net/ethernet/broadcom/bgmac.c
  21 +++ b/drivers/net/ethernet/broadcom/bgmac.c
  22 @@ -1260,7 +1260,7 @@ static int bgmac_poll(struct napi_struct
  23
  24         /* Poll again if more events arrived in the meantime */
  25         if (bgmac_read(bgmac, BGMAC_INT_STATUS) & (BGMAC_IS_TX0 | BGMAC_IS_RX))
  26 -               return handled;
  27 +               return weight;
  28
  29         if (handled < weight) {
  30                 napi_complete(napi);