diff options
| author | Minghuan Lian <Minghuan.Lian@freescale.com> | 2014-09-23 22:28:59 +0800 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2014-09-24 07:07:43 -0600 |
| commit | 24832b4de315ad00e5430a53772750dfcf18514d (patch) | |
| tree | 8942ed7d5e96510db2d8e7bcd69e1de73ebc6d96 /drivers/pci/host | |
| parent | 450e344e421b9f555261a2d97952d9e71d4cb082 (diff) | |
| download | linux-24832b4de315ad00e5430a53772750dfcf18514d.tar.bz2 | |
PCI: designware: Add get_msi_data() to pcie_host_ops
Add a struct pcie_host_ops .get_msi_data() method for platforms to return
their special MSI message data.
Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Mohit KUMAR <mohit.kumar@st.com>
Diffstat (limited to 'drivers/pci/host')
| -rw-r--r-- | drivers/pci/host/pcie-designware.c | 7 | ||||
| -rw-r--r-- | drivers/pci/host/pcie-designware.h | 1 |
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c index 566658750201..34e736601259 100644 --- a/drivers/pci/host/pcie-designware.c +++ b/drivers/pci/host/pcie-designware.c @@ -366,7 +366,12 @@ static int dw_msi_setup_irq(struct msi_chip *chip, struct pci_dev *pdev, else msg.address_lo = virt_to_phys((void *)pp->msi_data); msg.address_hi = 0x0; - msg.data = pos; + + if (pp->ops->get_msi_data) + msg.data = pp->ops->get_msi_data(pp, pos); + else + msg.data = pos; + write_msi_msg(irq, &msg); return 0; diff --git a/drivers/pci/host/pcie-designware.h b/drivers/pci/host/pcie-designware.h index 904e40a3f32a..c6256751daff 100644 --- a/drivers/pci/host/pcie-designware.h +++ b/drivers/pci/host/pcie-designware.h @@ -71,6 +71,7 @@ struct pcie_host_ops { void (*msi_set_irq)(struct pcie_port *pp, int irq); void (*msi_clear_irq)(struct pcie_port *pp, int irq); u32 (*get_msi_addr)(struct pcie_port *pp); + u32 (*get_msi_data)(struct pcie_port *pp, int pos); void (*scan_bus)(struct pcie_port *pp); int (*msi_host_init)(struct pcie_port *pp, struct msi_chip *chip); }; |