From: Minghuan Lian Date: Tue, 23 Sep 2014 14:28:59 +0000 (+0800) Subject: PCI: designware: Add get_msi_data() to pcie_host_ops X-Git-Tag: v3.18-rc1~110^2~7^2 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=24832b4de315ad00e5430a53772750dfcf18514d;p=karo-tx-linux.git 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 Signed-off-by: Bjorn Helgaas Acked-by: Mohit KUMAR --- 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); };