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r8169: improve rtl8169_irq_mask_and_ack

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Code can be slightly simplified by acking even events we're not
interested in. In addition add a comment making clear that the
read has no functional purpose and is just a PCI commit.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Heiner Kallweit 2018-09-25 07:58:00 +02:00 committed by David S. Miller
parent 4bee64b417
commit de20e12f3f
1 changed files with 3 additions and 4 deletions
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7
drivers/net/ethernet/realtek/r8169.c
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@ -1352,7 +1352,8 @@ static void rtl_irq_enable_all(struct rtl8169_private *tp)
static void rtl8169_irq_mask_and_ack(struct rtl8169_private *tp)
{
rtl_irq_disable(tp);
rtl_ack_events(tp, RTL_EVENT_NAPI | tp->event_slow);
rtl_ack_events(tp, 0xffff);
/* PCI commit */
RTL_R8(tp, ChipCmd);
}
@ -7365,14 +7366,12 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
rtl_init_rxcfg(tp);
rtl_irq_disable(tp);
rtl8169_irq_mask_and_ack(tp);
rtl_hw_initialize(tp);
rtl_hw_reset(tp);
rtl_ack_events(tp, 0xffff);
pci_set_master(pdev);
rtl_init_mdio_ops(tp);