netdev - [PATCH 2/3] ARM: iop32x: improve N2100 PCI broken parity quirk

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Date:   Tue, 5 Jan 2021 10:42:31 +0100
From:   Heiner Kallweit <hkallweit1@...il.com>
To:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        Realtek linux nic maintainers <nic_swsd@...ltek.com>,
        David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH 2/3] ARM: iop32x: improve N2100 PCI broken parity quirk

Simplify the quirk by using new PCI core function
pci_quirk_broken_parity(). In addition make the quirk
more specific, use device id 0x8169 instead of PCI_ANY_ID.

Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
---
 arch/arm/mach-iop32x/n2100.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mach-iop32x/n2100.c b/arch/arm/mach-iop32x/n2100.c
index 78b9a5ee4..24c3eec46 100644
--- a/arch/arm/mach-iop32x/n2100.c
+++ b/arch/arm/mach-iop32x/n2100.c
@@ -122,12 +122,10 @@ static struct hw_pci n2100_pci __initdata = {
  */
 static void n2100_fixup_r8169(struct pci_dev *dev)
 {
-	if (dev->bus->number == 0 &&
-	    (dev->devfn == PCI_DEVFN(1, 0) ||
-	     dev->devfn == PCI_DEVFN(2, 0)))
-		dev->broken_parity_status = 1;
+	if (machine_is_n2100())
+		pci_quirk_broken_parity(dev);
 }
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_REALTEK, PCI_ANY_ID, n2100_fixup_r8169);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_REALTEK, 0x8169, n2100_fixup_r8169);
 
 static int __init n2100_pci_init(void)
 {
-- 
2.30.0