diff options
Diffstat (limited to 'arch/x86/pci')
-rw-r--r-- | arch/x86/pci/common.c | 48 | ||||
-rw-r--r-- | arch/x86/pci/i386.c | 2 | ||||
-rw-r--r-- | arch/x86/pci/mmconfig_64.c | 2 |
3 files changed, 12 insertions, 40 deletions
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index 1e59df041456..df1d95913d4e 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -625,43 +625,6 @@ unsigned int pcibios_assign_all_busses(void) return (pci_probe & PCI_ASSIGN_ALL_BUSSES) ? 1 : 0; } -#if defined(CONFIG_X86_DEV_DMA_OPS) && defined(CONFIG_PCI_DOMAINS) -static LIST_HEAD(dma_domain_list); -static DEFINE_SPINLOCK(dma_domain_list_lock); - -void add_dma_domain(struct dma_domain *domain) -{ - spin_lock(&dma_domain_list_lock); - list_add(&domain->node, &dma_domain_list); - spin_unlock(&dma_domain_list_lock); -} -EXPORT_SYMBOL_GPL(add_dma_domain); - -void del_dma_domain(struct dma_domain *domain) -{ - spin_lock(&dma_domain_list_lock); - list_del(&domain->node); - spin_unlock(&dma_domain_list_lock); -} -EXPORT_SYMBOL_GPL(del_dma_domain); - -static void set_dma_domain_ops(struct pci_dev *pdev) -{ - struct dma_domain *domain; - - spin_lock(&dma_domain_list_lock); - list_for_each_entry(domain, &dma_domain_list, node) { - if (pci_domain_nr(pdev->bus) == domain->domain_nr) { - pdev->dev.dma_ops = domain->dma_ops; - break; - } - } - spin_unlock(&dma_domain_list_lock); -} -#else -static void set_dma_domain_ops(struct pci_dev *pdev) {} -#endif - static void set_dev_domain_options(struct pci_dev *pdev) { if (is_vmd(pdev->bus)) @@ -697,7 +660,6 @@ int pcibios_add_device(struct pci_dev *dev) pa_data = data->next; memunmap(data); } - set_dma_domain_ops(dev); set_dev_domain_options(dev); return 0; } @@ -736,3 +698,13 @@ int pci_ext_cfg_avail(void) else return 0; } + +#if IS_ENABLED(CONFIG_VMD) +struct pci_dev *pci_real_dma_dev(struct pci_dev *dev) +{ + if (is_vmd(dev->bus)) + return to_pci_sysdata(dev->bus)->vmd_dev; + + return dev; +} +#endif diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c index 9df652d3d927..fa855bbaebaf 100644 --- a/arch/x86/pci/i386.c +++ b/arch/x86/pci/i386.c @@ -34,7 +34,7 @@ #include <linux/errno.h> #include <linux/memblock.h> -#include <asm/pat.h> +#include <asm/memtype.h> #include <asm/e820/api.h> #include <asm/pci_x86.h> #include <asm/io_apic.h> diff --git a/arch/x86/pci/mmconfig_64.c b/arch/x86/pci/mmconfig_64.c index 887d181b769b..0c7b6e66c644 100644 --- a/arch/x86/pci/mmconfig_64.c +++ b/arch/x86/pci/mmconfig_64.c @@ -105,7 +105,7 @@ static void __iomem *mcfg_ioremap(struct pci_mmcfg_region *cfg) start = cfg->address + PCI_MMCFG_BUS_OFFSET(cfg->start_bus); num_buses = cfg->end_bus - cfg->start_bus + 1; size = PCI_MMCFG_BUS_OFFSET(num_buses); - addr = ioremap_nocache(start, size); + addr = ioremap(start, size); if (addr) addr -= PCI_MMCFG_BUS_OFFSET(cfg->start_bus); return addr; |