Merge branch 'pci/resource' into next
* pci/resource: PCI: tegra: Remove PCI_REASSIGN_ALL_BUS use on Tegra resource: Set type when reserving new regions resource: Set type of "reserve=" user-specified resources irqchip/i8259: Set I/O port resource types correctly powerpc: Set I/O port resource types correctly MIPS: Set I/O port resource types correctly vgacon: Set VGA struct resource types PCI: Use dev_info() rather than dev_err() for ROM validation PCI: Remove PCI_REASSIGN_ALL_RSRC use on arm and arm64 PCI: Remove sysfs resource mmap warning Conflicts: drivers/pci/rom.c
This commit is contained in:
commit
414ae7609e
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@ -3675,7 +3675,11 @@
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[KNL, SMP] Set scheduler's default relax_domain_level.
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See Documentation/cgroup-v1/cpusets.txt.
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reserve= [KNL,BUGS] Force the kernel to ignore some iomem area
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reserve= [KNL,BUGS] Force kernel to ignore I/O ports or memory
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Format: <base1>,<size1>[,<base2>,<size2>,...]
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Reserve I/O ports or memory so the kernel won't use
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them. If <base> is less than 0x10000, the region
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is assumed to be I/O ports; otherwise it is memory.
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reservetop= [X86-32]
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Format: nn[KMG]
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@ -21,6 +21,7 @@
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struct pci_controller *pci_vga_hose;
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static struct resource alpha_vga = {
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.name = "alpha-vga+",
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.flags = IORESOURCE_IO,
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.start = 0x3C0,
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.end = 0x3DF
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};
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@ -10,10 +10,7 @@ extern unsigned long pcibios_min_io;
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extern unsigned long pcibios_min_mem;
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#define PCIBIOS_MIN_MEM pcibios_min_mem
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static inline int pcibios_assign_all_busses(void)
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{
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return pci_has_flag(PCI_REASSIGN_ALL_RSRC);
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}
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#define pcibios_assign_all_busses() pci_has_flag(PCI_REASSIGN_ALL_BUS)
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#ifdef CONFIG_PCI_DOMAINS
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static inline int pci_proc_domain(struct pci_bus *bus)
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@ -527,7 +527,7 @@ void pci_common_init_dev(struct device *parent, struct hw_pci *hw)
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struct pci_sys_data *sys;
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LIST_HEAD(head);
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pci_add_flags(PCI_REASSIGN_ALL_RSRC);
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pci_add_flags(PCI_REASSIGN_ALL_BUS);
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if (hw->preinit)
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hw->preinit();
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pcibios_init_hw(parent, hw, &head);
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@ -32,22 +32,22 @@ static struct resource jazz_io_resources[] = {
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.start = 0x00,
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.end = 0x1f,
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.name = "dma1",
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.flags = IORESOURCE_BUSY
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.flags = IORESOURCE_IO | IORESOURCE_BUSY
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}, {
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.start = 0x40,
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.end = 0x5f,
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.name = "timer",
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.flags = IORESOURCE_BUSY
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.flags = IORESOURCE_IO | IORESOURCE_BUSY
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}, {
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.start = 0x80,
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.end = 0x8f,
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.name = "dma page reg",
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.flags = IORESOURCE_BUSY
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.flags = IORESOURCE_IO | IORESOURCE_BUSY
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}, {
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.start = 0xc0,
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.end = 0xdf,
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.name = "dma2",
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.flags = IORESOURCE_BUSY
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.flags = IORESOURCE_IO | IORESOURCE_BUSY
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}
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};
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@ -47,31 +47,31 @@ static struct resource standard_io_resources[] = {
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.name = "dma1",
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.start = 0x00,
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.end = 0x1f,
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.flags = IORESOURCE_BUSY
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.flags = IORESOURCE_IO | IORESOURCE_BUSY
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},
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{
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.name = "timer",
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.start = 0x40,
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.end = 0x5f,
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.flags = IORESOURCE_BUSY
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.flags = IORESOURCE_IO | IORESOURCE_BUSY
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},
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{
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.name = "keyboard",
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.start = 0x60,
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.end = 0x6f,
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.flags = IORESOURCE_BUSY
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.flags = IORESOURCE_IO | IORESOURCE_BUSY
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},
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{
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.name = "dma page reg",
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.start = 0x80,
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.end = 0x8f,
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.flags = IORESOURCE_BUSY
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.flags = IORESOURCE_IO | IORESOURCE_BUSY
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},
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{
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.name = "dma2",
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.start = 0xc0,
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.end = 0xdf,
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.flags = IORESOURCE_BUSY
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.flags = IORESOURCE_IO | IORESOURCE_BUSY
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},
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};
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@ -134,7 +134,7 @@ int maple_set_rtc_time(struct rtc_time *tm)
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static struct resource rtc_iores = {
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.name = "rtc",
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.flags = IORESOURCE_BUSY,
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.flags = IORESOURCE_IO | IORESOURCE_BUSY,
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};
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unsigned long __init maple_get_boot_time(void)
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@ -145,21 +145,21 @@ static struct resource pic1_iores = {
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.name = "8259 (master)",
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.start = 0x20,
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.end = 0x21,
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.flags = IORESOURCE_BUSY,
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.flags = IORESOURCE_IO | IORESOURCE_BUSY,
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};
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static struct resource pic2_iores = {
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.name = "8259 (slave)",
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.start = 0xa0,
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.end = 0xa1,
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.flags = IORESOURCE_BUSY,
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.flags = IORESOURCE_IO | IORESOURCE_BUSY,
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};
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static struct resource pic_edgectrl_iores = {
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.name = "8259 edge control",
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.start = 0x4d0,
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.end = 0x4d1,
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.flags = IORESOURCE_BUSY,
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.flags = IORESOURCE_IO | IORESOURCE_BUSY,
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};
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static int i8259_host_match(struct irq_domain *h, struct device_node *node,
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@ -289,14 +289,14 @@ static struct resource pic1_io_resource = {
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.name = "pic1",
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.start = PIC_MASTER_CMD,
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.end = PIC_MASTER_IMR,
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.flags = IORESOURCE_BUSY
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.flags = IORESOURCE_IO | IORESOURCE_BUSY
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};
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static struct resource pic2_io_resource = {
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.name = "pic2",
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.start = PIC_SLAVE_CMD,
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.end = PIC_SLAVE_IMR,
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.flags = IORESOURCE_BUSY
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.flags = IORESOURCE_IO | IORESOURCE_BUSY
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};
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static int i8259A_irq_domain_map(struct irq_domain *d, unsigned int virq,
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@ -142,7 +142,7 @@ int pci_host_common_probe(struct platform_device *pdev,
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/* Do not reassign resources if probe only */
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if (!pci_has_flag(PCI_PROBE_ONLY))
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pci_add_flags(PCI_REASSIGN_ALL_RSRC | PCI_REASSIGN_ALL_BUS);
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pci_add_flags(PCI_REASSIGN_ALL_BUS);
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list_splice_init(&resources, &bridge->windows);
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bridge->dev.parent = dev;
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@ -2382,7 +2382,6 @@ static int tegra_pcie_probe(struct platform_device *pdev)
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tegra_pcie_enable_ports(pcie);
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pci_add_flags(PCI_REASSIGN_ALL_RSRC | PCI_REASSIGN_ALL_BUS);
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host->busnr = pcie->busn.start;
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host->dev.parent = &pdev->dev;
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host->ops = &tegra_pcie_ops;
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@ -202,7 +202,7 @@ static int versatile_pci_probe(struct platform_device *pdev)
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writel(0, versatile_cfg_base[0] + PCI_INTERRUPT_LINE);
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pci_add_flags(PCI_ENABLE_PROC_DOMAINS);
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pci_add_flags(PCI_REASSIGN_ALL_BUS | PCI_REASSIGN_ALL_RSRC);
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pci_add_flags(PCI_REASSIGN_ALL_BUS);
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list_splice_init(&pci_res, &bridge->windows);
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bridge->dev.parent = dev;
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@ -459,7 +459,7 @@ static int rcar_pcie_enable(struct rcar_pcie *pcie)
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rcar_pcie_setup(&bridge->windows, pcie);
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pci_add_flags(PCI_REASSIGN_ALL_RSRC | PCI_REASSIGN_ALL_BUS);
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pci_add_flags(PCI_REASSIGN_ALL_BUS);
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bridge->dev.parent = dev;
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bridge->sysdata = pcie;
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@ -1216,14 +1216,9 @@ static int pci_mmap_resource(struct kobject *kobj, struct bin_attribute *attr,
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if (res->flags & IORESOURCE_MEM && iomem_is_exclusive(res->start))
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return -EINVAL;
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if (!pci_mmap_fits(pdev, bar, vma, PCI_MMAP_SYSFS)) {
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WARN(1, "process \"%s\" tried to map 0x%08lx bytes at page 0x%08lx on %s BAR %d (start 0x%16Lx, size 0x%16Lx)\n",
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current->comm, vma->vm_end-vma->vm_start, vma->vm_pgoff,
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pci_name(pdev), bar,
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(u64)pci_resource_start(pdev, bar),
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(u64)pci_resource_len(pdev, bar));
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if (!pci_mmap_fits(pdev, bar, vma, PCI_MMAP_SYSFS))
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return -EINVAL;
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}
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mmap_type = res->flags & IORESOURCE_MEM ? pci_mmap_mem : pci_mmap_io;
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return pci_mmap_resource_range(pdev, bar, vma, mmap_type, write_combine);
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@ -92,15 +92,15 @@ size_t pci_get_rom_size(struct pci_dev *pdev, void __iomem *rom, size_t size)
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void __iomem *pds;
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/* Standard PCI ROMs start out with these bytes 55 AA */
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if (readw(image) != 0xAA55) {
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pci_err(pdev, "Invalid PCI ROM header signature: expecting 0xaa55, got %#06x\n",
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readw(image));
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pci_info(pdev, "Invalid PCI ROM header signature: expecting 0xaa55, got %#06x\n",
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readw(image));
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break;
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}
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/* get the PCI data structure and check its "PCIR" signature */
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pds = image + readw(image + 24);
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if (readl(pds) != 0x52494350) {
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pci_err(pdev, "Invalid PCI ROM data signature: expecting 0x52494350, got %#010x\n",
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readl(pds));
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pci_info(pdev, "Invalid PCI ROM data signature: expecting 0x52494350, got %#010x\n",
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readl(pds));
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break;
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}
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last_image = readb(pds + 21) & 0x80;
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@ -422,7 +422,10 @@ static const char *vgacon_startup(void)
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vga_video_port_val = VGA_CRT_DM;
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if ((screen_info.orig_video_ega_bx & 0xff) != 0x10) {
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static struct resource ega_console_resource =
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{ .name = "ega", .start = 0x3B0, .end = 0x3BF };
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{ .name = "ega",
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.flags = IORESOURCE_IO,
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.start = 0x3B0,
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.end = 0x3BF };
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vga_video_type = VIDEO_TYPE_EGAM;
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vga_vram_size = 0x8000;
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display_desc = "EGA+";
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@ -430,9 +433,15 @@ static const char *vgacon_startup(void)
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&ega_console_resource);
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} else {
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static struct resource mda1_console_resource =
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{ .name = "mda", .start = 0x3B0, .end = 0x3BB };
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{ .name = "mda",
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.flags = IORESOURCE_IO,
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.start = 0x3B0,
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.end = 0x3BB };
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static struct resource mda2_console_resource =
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{ .name = "mda", .start = 0x3BF, .end = 0x3BF };
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{ .name = "mda",
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.flags = IORESOURCE_IO,
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.start = 0x3BF,
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.end = 0x3BF };
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vga_video_type = VIDEO_TYPE_MDA;
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vga_vram_size = 0x2000;
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display_desc = "*MDA";
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@ -454,15 +463,21 @@ static const char *vgacon_startup(void)
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vga_vram_size = 0x8000;
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if (!screen_info.orig_video_isVGA) {
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static struct resource ega_console_resource
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= { .name = "ega", .start = 0x3C0, .end = 0x3DF };
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static struct resource ega_console_resource =
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{ .name = "ega",
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.flags = IORESOURCE_IO,
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.start = 0x3C0,
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.end = 0x3DF };
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vga_video_type = VIDEO_TYPE_EGAC;
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display_desc = "EGA";
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request_resource(&ioport_resource,
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&ega_console_resource);
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} else {
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static struct resource vga_console_resource
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= { .name = "vga+", .start = 0x3C0, .end = 0x3DF };
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static struct resource vga_console_resource =
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{ .name = "vga+",
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.flags = IORESOURCE_IO,
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.start = 0x3C0,
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.end = 0x3DF };
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vga_video_type = VIDEO_TYPE_VGAC;
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display_desc = "VGA+";
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request_resource(&ioport_resource,
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@ -494,7 +509,10 @@ static const char *vgacon_startup(void)
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}
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} else {
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static struct resource cga_console_resource =
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{ .name = "cga", .start = 0x3D4, .end = 0x3D5 };
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{ .name = "cga",
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.flags = IORESOURCE_IO,
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.start = 0x3D4,
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.end = 0x3D5 };
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vga_video_type = VIDEO_TYPE_CGA;
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vga_vram_size = 0x2000;
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display_desc = "*CGA";
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@ -1022,6 +1022,7 @@ static void __init __reserve_region_with_split(struct resource *root,
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struct resource *conflict;
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struct resource *res = alloc_resource(GFP_ATOMIC);
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struct resource *next_res = NULL;
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int type = resource_type(root);
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if (!res)
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return;
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@ -1029,7 +1030,7 @@ static void __init __reserve_region_with_split(struct resource *root,
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res->name = name;
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res->start = start;
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res->end = end;
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res->flags = IORESOURCE_BUSY;
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res->flags = type | IORESOURCE_BUSY;
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res->desc = IORES_DESC_NONE;
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while (1) {
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@ -1064,7 +1065,7 @@ static void __init __reserve_region_with_split(struct resource *root,
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next_res->name = name;
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next_res->start = conflict->end + 1;
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next_res->end = end;
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next_res->flags = IORESOURCE_BUSY;
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next_res->flags = type | IORESOURCE_BUSY;
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next_res->desc = IORES_DESC_NONE;
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}
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} else {
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@ -1478,7 +1479,7 @@ void __devm_release_region(struct device *dev, struct resource *parent,
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EXPORT_SYMBOL(__devm_release_region);
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/*
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* Called from init/main.c to reserve IO ports.
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* Reserve I/O ports or memory based on "reserve=" kernel parameter.
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*/
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#define MAXRESERVE 4
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static int __init reserve_setup(char *str)
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@ -1489,26 +1490,38 @@ static int __init reserve_setup(char *str)
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for (;;) {
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unsigned int io_start, io_num;
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int x = reserved;
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struct resource *parent;
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if (get_option (&str, &io_start) != 2)
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if (get_option(&str, &io_start) != 2)
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break;
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if (get_option (&str, &io_num) == 0)
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if (get_option(&str, &io_num) == 0)
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break;
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if (x < MAXRESERVE) {
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struct resource *res = reserve + x;
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/*
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* If the region starts below 0x10000, we assume it's
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* I/O port space; otherwise assume it's memory.
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*/
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if (io_start < 0x10000) {
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res->flags = IORESOURCE_IO;
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parent = &ioport_resource;
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} else {
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res->flags = IORESOURCE_MEM;
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parent = &iomem_resource;
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}
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res->name = "reserved";
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res->start = io_start;
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res->end = io_start + io_num - 1;
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res->flags = IORESOURCE_BUSY;
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res->flags |= IORESOURCE_BUSY;
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res->desc = IORES_DESC_NONE;
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res->child = NULL;
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if (request_resource(res->start >= 0x10000 ? &iomem_resource : &ioport_resource, res) == 0)
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if (request_resource(parent, res) == 0)
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reserved = x+1;
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}
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}
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return 1;
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}
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__setup("reserve=", reserve_setup);
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/*
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|
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