Instead of the arch specific quirk which we are deprecating
and that drivers don't understand.
Signed-off-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
---
This is the 3.17 backport of 360743814c4082515581aa23ab1d8e699e1fbe88
which was submitted to stable and didn't apply cleanly.
Note: This should also (hopefully) apply to previous stable releases
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index df241b1..a188bb8 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -1311,7 +1311,6 @@ static int pnv_pci_ioda_msi_setup(struct pnv_phb *phb, struct pci_dev *dev,
unsigned int is_64, struct msi_msg *msg)
{
struct pnv_ioda_pe *pe = pnv_ioda_get_pe(dev);
- struct pci_dn *pdn = pci_get_pdn(dev);
struct irq_data *idata;
struct irq_chip *ichip;
unsigned int xive_num = hwirq - phb->msi_base;
@@ -1327,7 +1326,7 @@ static int pnv_pci_ioda_msi_setup(struct pnv_phb *phb, struct pci_dev *dev,
return -ENXIO;
/* Force 32-bit MSI on some broken devices */
- if (pdn && pdn->force_32bit_msi)
+ if (dev->no_64bit_msi)
is_64 = 0;
/* Assign XIVE to PE */
diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index b854b57..e7cf49c 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -1,3 +1,4 @@
+
/*
* Support PCI/PCIe on PowerNV platforms
*
@@ -50,9 +51,8 @@ static int pnv_msi_check_device(struct pci_dev* pdev, int nvec, int type)
{
struct pci_controller *hose = pci_bus_to_host(pdev->bus);
struct pnv_phb *phb = hose->private_data;
- struct pci_dn *pdn = pci_get_pdn(pdev);
- if (pdn && pdn->force_32bit_msi && !phb->msi32_support)
+ if (pdev->no_64bit_msi && !phb->msi32_support)
return -ENODEV;
return (phb && phb->msi_bmp.bitmap) ? 0 : -ENODEV;
--
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