From 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 15 Dec 2015 14:52:16 -0300 Subject: Linux-libre 4.3.2-gnu --- arch/arm/kernel/bios32.c | 45 ++++++++++++++------------------------------- 1 file changed, 14 insertions(+), 31 deletions(-) (limited to 'arch/arm/kernel/bios32.c') diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c index fcbbbb1b9..874e1823f 100644 --- a/arch/arm/kernel/bios32.c +++ b/arch/arm/kernel/bios32.c @@ -18,15 +18,6 @@ static int debug_pci; -#ifdef CONFIG_PCI_MSI -struct msi_controller *pcibios_msi_controller(struct pci_dev *dev) -{ - struct pci_sys_data *sysdata = dev->bus->sysdata; - - return sysdata->msi_ctrl; -} -#endif - /* * We can't use pci_get_device() here since we are * called from interrupt context. @@ -459,12 +450,9 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, for (nr = busnr = 0; nr < hw->nr_controllers; nr++) { sys = kzalloc(sizeof(struct pci_sys_data), GFP_KERNEL); - if (!sys) - panic("PCI: unable to allocate sys data!"); + if (WARN(!sys, "PCI: unable to allocate sys data!")) + break; -#ifdef CONFIG_PCI_MSI - sys->msi_ctrl = hw->msi_ctrl; -#endif sys->busnr = busnr; sys->swizzle = hw->swizzle; sys->map_irq = hw->map_irq; @@ -486,11 +474,14 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, if (hw->scan) sys->bus = hw->scan(nr, sys); else - sys->bus = pci_scan_root_bus(parent, sys->busnr, - hw->ops, sys, &sys->resources); + sys->bus = pci_scan_root_bus_msi(parent, + sys->busnr, hw->ops, sys, + &sys->resources, hw->msi_ctrl); - if (!sys->bus) - panic("PCI: unable to scan bus!"); + if (WARN(!sys->bus, "PCI: unable to scan bus!")) { + kfree(sys); + break; + } busnr = sys->bus->busn_res.end + 1; @@ -521,6 +512,8 @@ void pci_common_init_dev(struct device *parent, struct hw_pci *hw) struct pci_bus *bus = sys->bus; if (!pci_has_flag(PCI_PROBE_ONLY)) { + struct pci_bus *child; + /* * Size the bridge windows. */ @@ -530,25 +523,15 @@ void pci_common_init_dev(struct device *parent, struct hw_pci *hw) * Assign resources. */ pci_bus_assign_resources(bus); - } + list_for_each_entry(child, &bus->children, node) + pcie_bus_configure_settings(child); + } /* * Tell drivers about devices found. */ pci_bus_add_devices(bus); } - - list_for_each_entry(sys, &head, node) { - struct pci_bus *bus = sys->bus; - - /* Configure PCI Express settings */ - if (bus && !pci_has_flag(PCI_PROBE_ONLY)) { - struct pci_bus *child; - - list_for_each_entry(child, &bus->children, node) - pcie_bus_configure_settings(child); - } - } } #ifndef CONFIG_PCI_HOST_ITE8152 -- cgit v1.2.3-54-g00ecf