diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/msi.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/msi.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c index 6dfb55b52d36..ee1c8c6898a3 100644 --- a/arch/powerpc/platforms/pseries/msi.c +++ b/arch/powerpc/platforms/pseries/msi.c @@ -9,6 +9,7 @@ #include <linux/irq.h> #include <linux/irqdomain.h> #include <linux/msi.h> +#include <linux/seq_file.h> #include <asm/rtas.h> #include <asm/hw_irq.h> @@ -524,7 +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 = { @@ -610,7 +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); @@ -627,7 +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) { |