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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-02-26 17:32:00 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-02-26 17:32:00 +0300
commit36e9f7203e05090031a5356be043a9be342e383c (patch)
tree27877737c3bb3c00ee9caeece7d671f65cf91252 /drivers/pci
parent721dfe4133a9a41e4b4a74e5b41089b7dac8f539 (diff)
parent4a3928c6f8a53fa1aed28ccba227742486e8ddcb (diff)
downloadlinux-36e9f7203e05090031a5356be043a9be342e383c.tar.xz
Merge 4.16-rc3 into staging-next
We want the IIO/Staging fixes in here, and to resolve a merge problem with the move of the fsl-mc code. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/quirks.c39
1 files changed, 23 insertions, 16 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index fc734014206f..8b14bd326d4a 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3419,22 +3419,29 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PORT_RIDGE,
static void quirk_chelsio_extend_vpd(struct pci_dev *dev)
{
- pci_set_vpd_size(dev, 8192);
-}
-
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x20, quirk_chelsio_extend_vpd);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x21, quirk_chelsio_extend_vpd);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x22, quirk_chelsio_extend_vpd);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x23, quirk_chelsio_extend_vpd);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x24, quirk_chelsio_extend_vpd);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x25, quirk_chelsio_extend_vpd);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x26, quirk_chelsio_extend_vpd);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x30, quirk_chelsio_extend_vpd);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x31, quirk_chelsio_extend_vpd);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x32, quirk_chelsio_extend_vpd);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x35, quirk_chelsio_extend_vpd);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x36, quirk_chelsio_extend_vpd);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x37, quirk_chelsio_extend_vpd);
+ int chip = (dev->device & 0xf000) >> 12;
+ int func = (dev->device & 0x0f00) >> 8;
+ int prod = (dev->device & 0x00ff) >> 0;
+
+ /*
+ * If this is a T3-based adapter, there's a 1KB VPD area at offset
+ * 0xc00 which contains the preferred VPD values. If this is a T4 or
+ * later based adapter, the special VPD is at offset 0x400 for the
+ * Physical Functions (the SR-IOV Virtual Functions have no VPD
+ * Capabilities). The PCI VPD Access core routines will normally
+ * compute the size of the VPD by parsing the VPD Data Structure at
+ * offset 0x000. This will result in silent failures when attempting
+ * to accesses these other VPD areas which are beyond those computed
+ * limits.
+ */
+ if (chip == 0x0 && prod >= 0x20)
+ pci_set_vpd_size(dev, 8192);
+ else if (chip >= 0x4 && func < 0x8)
+ pci_set_vpd_size(dev, 2048);
+}
+
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, PCI_ANY_ID,
+ quirk_chelsio_extend_vpd);
#ifdef CONFIG_ACPI
/*