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Diffstat (limited to 'arch/powerpc/platforms/pseries/msi.c')
-rw-r--r--arch/powerpc/platforms/pseries/msi.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index fdc2f7f38dc9..ee1c8c6898a3 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -525,7 +525,12 @@ static struct msi_domain_info pseries_msi_domain_info = {
static void pseries_msi_compose_msg(struct irq_data *data, struct msi_msg *msg)
{
- __pci_read_msi_msg(irq_data_get_msi_desc(data), msg);
+ struct pci_dev *dev = msi_desc_to_pci_dev(irq_data_get_msi_desc(data));
+
+ if (dev->current_state == PCI_D0)
+ __pci_read_msi_msg(irq_data_get_msi_desc(data), msg);
+ else
+ get_cached_msi_msg(data->irq, msg);
}
static struct irq_chip pseries_msi_irq_chip = {
@@ -611,7 +616,7 @@ static const struct irq_domain_ops pseries_irq_domain_ops = {
static int __pseries_msi_allocate_domains(struct pci_controller *phb,
unsigned int count)
{
- struct irq_domain *parent = irq_get_default_host();
+ struct irq_domain *parent = irq_get_default_domain();
phb->fwnode = irq_domain_alloc_named_id_fwnode("pSeries-MSI",
phb->global_number);
@@ -628,7 +633,7 @@ static int __pseries_msi_allocate_domains(struct pci_controller *phb,
return -ENOMEM;
}
- phb->msi_domain = pci_msi_create_irq_domain(of_node_to_fwnode(phb->dn),
+ phb->msi_domain = pci_msi_create_irq_domain(of_fwnode_handle(phb->dn),
&pseries_msi_domain_info,
phb->dev_domain);
if (!phb->msi_domain) {