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PCI: Convert Mellanox broken INTx quirks to be for listed devices only
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Change Mellanox's broken_intx_masking() quirk from an "all Mellanox
devices" to a quirk for listed devices only.

[bhelgaas: remove #defines, reorder to keep other quirks together]
Signed-off-by: Noa Osherovich <noaos@mellanox.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
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Noa Osherovich authored and Bjorn Helgaas committed Nov 23, 2016
1 parent b88214c commit d76d2fe
Showing 1 changed file with 37 additions and 3 deletions.
40 changes: 37 additions & 3 deletions drivers/pci/quirks.c
Original file line number Diff line number Diff line change
Expand Up @@ -3137,8 +3137,9 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x22b5, quirk_remove_d3_delay);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x22b7, quirk_remove_d3_delay);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x2298, quirk_remove_d3_delay);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x229c, quirk_remove_d3_delay);

/*
* Some devices may pass our check in pci_intx_mask_supported if
* Some devices may pass our check in pci_intx_mask_supported() if
* PCI_COMMAND_INTX_DISABLE works though they actually do not properly
* support this feature.
*/
Expand All @@ -3150,6 +3151,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x0030,
quirk_broken_intx_masking);
DECLARE_PCI_FIXUP_FINAL(0x1814, 0x0601, /* Ralink RT2800 802.11n PCI */
quirk_broken_intx_masking);

/*
* Realtek RTL8169 PCI Gigabit Ethernet Controller (rev 10)
* Subsystem: Realtek RTL8169/8110 Family PCI Gigabit Ethernet NIC
Expand All @@ -3158,8 +3160,6 @@ DECLARE_PCI_FIXUP_FINAL(0x1814, 0x0601, /* Ralink RT2800 802.11n PCI */
*/
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_REALTEK, 0x8169,
quirk_broken_intx_masking);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_MELLANOX, PCI_ANY_ID,
quirk_broken_intx_masking);

/*
* Intel i40e (XL710/X710) 10/20/40GbE NICs all have broken INTx masking,
Expand Down Expand Up @@ -3194,6 +3194,40 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x37d1,
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x37d2,
quirk_broken_intx_masking);

static u16 mellanox_broken_intx_devs[] = {
PCI_DEVICE_ID_MELLANOX_HERMON_SDR,
PCI_DEVICE_ID_MELLANOX_HERMON_DDR,
PCI_DEVICE_ID_MELLANOX_HERMON_QDR,
PCI_DEVICE_ID_MELLANOX_HERMON_DDR_GEN2,
PCI_DEVICE_ID_MELLANOX_HERMON_QDR_GEN2,
PCI_DEVICE_ID_MELLANOX_HERMON_EN,
PCI_DEVICE_ID_MELLANOX_HERMON_EN_GEN2,
PCI_DEVICE_ID_MELLANOX_CONNECTX_EN,
PCI_DEVICE_ID_MELLANOX_CONNECTX_EN_T_GEN2,
PCI_DEVICE_ID_MELLANOX_CONNECTX_EN_GEN2,
PCI_DEVICE_ID_MELLANOX_CONNECTX_EN_5_GEN2,
PCI_DEVICE_ID_MELLANOX_CONNECTX2,
PCI_DEVICE_ID_MELLANOX_CONNECTX3,
PCI_DEVICE_ID_MELLANOX_CONNECTX3_PRO,
PCI_DEVICE_ID_MELLANOX_CONNECTIB,
PCI_DEVICE_ID_MELLANOX_CONNECTX4,
PCI_DEVICE_ID_MELLANOX_CONNECTX4_LX,
};

static void mellanox_check_broken_intx_masking(struct pci_dev *pdev)
{
int i;

for (i = 0; i < ARRAY_SIZE(mellanox_broken_intx_devs); i++) {
if (pdev->device == mellanox_broken_intx_devs[i]) {
pdev->broken_intx_masking = 1;
return;
}
}
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_MELLANOX, PCI_ANY_ID,
mellanox_check_broken_intx_masking);

static void quirk_no_bus_reset(struct pci_dev *dev)
{
dev->dev_flags |= PCI_DEV_FLAGS_NO_BUS_RESET;
Expand Down

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