1. Change original get_msi_data() to get_msi_addr(), since this function returns MSI message address. 2. Add a new function get_msi_data() to return MSI message data. Signed-off-by: Minghuan Lian <Minghuan.Lian@xxxxxxxxxxxxx> --- drivers/pci/host/pcie-designware.c | 11 ++++++++--- drivers/pci/host/pcie-designware.h | 3 ++- 2 files changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c index 52bd3a1..c84913e 100644 --- a/drivers/pci/host/pcie-designware.c +++ b/drivers/pci/host/pcie-designware.c @@ -373,12 +373,17 @@ static int dw_msi_setup_irq(struct msi_chip *chip, struct pci_dev *pdev, */ desc->msi_attrib.multiple = msgvec; - if (pp->ops->get_msi_data) - msg.address_lo = pp->ops->get_msi_data(pp); + if (pp->ops->get_msi_addr) + msg.address_lo = pp->ops->get_msi_addr(pp); 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 daf81f9..7f08807 100644 --- a/drivers/pci/host/pcie-designware.h +++ b/drivers/pci/host/pcie-designware.h @@ -73,7 +73,8 @@ struct pcie_host_ops { void (*host_init)(struct pcie_port *pp); void (*msi_set_irq)(struct pcie_port *pp, int irq); void (*msi_clear_irq)(struct pcie_port *pp, int irq); - u32 (*get_msi_data)(struct pcie_port *pp); + u32 (*get_msi_addr)(struct pcie_port *pp); + u32 (*get_msi_data)(struct pcie_port *pp, int pos); }; int dw_pcie_cfg_read(void __iomem *addr, int where, int size, u32 *val); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html