diff options
| author | Minghuan Lian <Minghuan.Lian@freescale.com> | 2014-09-23 14:28:59 (GMT) |
|---|---|---|
| committer | Matthew Weigel <Matthew.Weigel@freescale.com> | 2014-12-11 18:37:08 (GMT) |
| commit | bca4f700f06f87d8ba41f97f4a4180b2533196f2 (patch) | |
| tree | e08191c9ff4aec8f50c3713e9a7d49777a8ef528 /drivers/pci | |
| parent | 279cc277d1ea921a71c575fc1ed9f7ad51e11a3d (diff) | |
| download | linux-fsl-qoriq-bca4f700f06f87d8ba41f97f4a4180b2533196f2.tar.xz | |
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>
The patch comes from:
https://git.kernel.org/cgit/linux/kernel/git/helgaas/pci.git/commit/?h=next&id=24832b4de315ad00e5430a53772750dfcf18514d
Change-Id: Iecbb0f94a4f04eb96e6a1c2a8d9c3768a1aa11bf
Reviewed-on: http://git.am.freescale.net:8181/19710
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Zhengxiong Jin <Jason.Jin@freescale.com>
Diffstat (limited to 'drivers/pci')
| -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 a90f9b4d..f727445 100644 --- a/drivers/pci/host/pcie-designware.c +++ b/drivers/pci/host/pcie-designware.c @@ -365,7 +365,12 @@ 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 904e40a..c625675 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); }; |