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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2014-10-07 16:12:36 +1100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-12-06 15:55:39 -0800
commit21f8af9f8850890a5b00cf746d4035f82be43c53 (patch)
treea0fd16f9750ad579843c96b0063f3d258dacd1b0
parent2374aee49483447aff3fb330d5e8ee60fa0c9234 (diff)
powerpc/powernv: Honor the generic "no_64bit_msi" flag
commit 360743814c4082515581aa23ab1d8e699e1fbe88 upstream. Instead of the arch specific quirk which we are deprecating and that drivers don't understand. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--arch/powerpc/platforms/powernv/pci-ioda.c3
-rw-r--r--arch/powerpc/platforms/powernv/pci.c4
2 files changed, 3 insertions, 4 deletions
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index beedaf0c5e75..d558b8595e6f 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -902,7 +902,6 @@ 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;
@@ -918,7 +917,7 @@ 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 8518817dcdfd..52c1162bcee3 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;