tg3: Fix missed MSI workaround

This patch fixes a minor counter initialization bug and makes the MSI
workaround slightly more efficient by attempting to service pending
interrupts before applying the workaround.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Matt Carlson 2011-08-31 11:44:48 +00:00 коммит произвёл David S. Miller
Родитель b99d2a57b7
Коммит 7f23073515
1 изменённых файлов: 2 добавлений и 3 удалений

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@ -8105,7 +8105,7 @@ static void tg3_rings_reset(struct tg3 *tp)
tw32_mailbox(tp->napi[i].prodmbox, 0);
tw32_rx_mbox(tp->napi[i].consmbox, 0);
tw32_mailbox_f(tp->napi[i].int_mbox, 1);
tp->napi[0].chk_msi_cnt = 0;
tp->napi[i].chk_msi_cnt = 0;
tp->napi[i].last_rx_cons = 0;
tp->napi[i].last_tx_cons = 0;
}
@ -9185,8 +9185,7 @@ static void tg3_chk_missed_msi(struct tg3 *tp)
tnapi->chk_msi_cnt++;
return;
}
tw32_mailbox(tnapi->int_mbox,
tnapi->last_tag << 24);
tg3_msi(0, tnapi);
}
}
tnapi->chk_msi_cnt = 0;