From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: To: CC: , , , , , , Suravee Suthikulpanit Subject: [PATCH 2/2] PCI: generic: Add set_msi_parent callback Date: Mon, 10 Nov 2014 13:24:40 -0600 Message-ID: <1415647480-3320-3-git-send-email-suravee.suthikulpanit@amd.com> In-Reply-To: <1415647480-3320-1-git-send-email-suravee.suthikulpanit@amd.com> References: <1415647480-3320-1-git-send-email-suravee.suthikulpanit@amd.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: From: Suravee Suthikulpanit This patch implement set_msi_parent callback for PCI generic host controller. Cc: Bjorn Helgass Cc: Liviu Dudau Cc: Lorenzo Pieralisi Signed-off-by: Suravee Suthikulpanit --- drivers/pci/host/pci-host-generic.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/pci/host/pci-host-generic.c b/drivers/pci/host/pci-host-generic.c index 036ab1b..f9bb97a 100644 --- a/drivers/pci/host/pci-host-generic.c +++ b/drivers/pci/host/pci-host-generic.c @@ -42,6 +42,7 @@ struct gen_pci { struct pci_host_bridge host; struct gen_pci_cfg_windows cfg; struct list_head resources; + struct msi_chip *mchip; }; #ifdef CONFIG_ARM @@ -128,9 +129,19 @@ static int gen_pci_config_write(struct pci_bus *bus, unsigned int devfn, return PCIBIOS_SUCCESSFUL; } +static int gen_pci_set_msi_parent(struct pci_bus *bus) +{ + struct gen_pci *pci = bus_to_gen_pci(bus); + + bus->msi = pci->mchip; + + return PCIBIOS_SUCCESSFUL; +} + static struct pci_ops gen_pci_ops = { .read = gen_pci_config_read, .write = gen_pci_config_write, + .set_msi_parent = gen_pci_set_msi_parent, }; static const struct of_device_id gen_pci_of_match[] = { @@ -313,6 +324,9 @@ static int gen_pci_probe(struct platform_device *pdev) return err; } + pci->mchip = of_pci_find_msi_chip_by_node(of_parse_phandle(np, + "msi-parent", 0)); + #ifdef CONFIG_ARM pci_common_init_dev(dev, &hw); #else -- 1.9.3