diff options
| author |   Christoph Hellwig <hch@lst.de> | 2020-01-21 06:37:51 -0700 |
|---|---|---|
| committer |   Bjorn Helgaas <bhelgaas@google.com> | 2020-01-24 15:00:35 -0600 |
| commit | dab0198413d227f13be7da8abf0d5bc8620427f0 (patch) | |
| tree | 8c6e7e008363e018b0cf3a1821952b2ddbcaa4dd /arch/x86/pci/common.c | |
| parent | PCI: vmd: Remove dma_map_ops overrides (diff) | |
| download | linux-dev-dab0198413d227f13be7da8abf0d5bc8620427f0.tar.xz linux-dev-dab0198413d227f13be7da8abf0d5bc8620427f0.zip | |
x86/PCI: Remove X86_DEV_DMA_OPS
There are no users of X86_DEV_DMA_OPS left, so remove the code.
Link: https://lore.kernel.org/r/1579613871-301529-8-git-send-email-jonathan.derrick@intel.com
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Jon Derrick <jonathan.derrick@intel.com>
Diffstat (limited to 'arch/x86/pci/common.c')
| -rw-r--r-- | arch/x86/pci/common.c | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index fe21a5c557e6..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; } |