diff options
| author | Bjorn Helgaas <bhelgaas@google.com> | 2022-01-21 14:51:50 -0600 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2022-01-24 13:11:34 +0100 |
| commit | fcc619621df50f63b641b18536f908b05d6782a4 (patch) | |
| tree | ea39a20c1a0917d742d5197fae38abfae94f58b4 /arch/microblaze | |
| parent | 19d448a04e00388bdb039cdd46a23b028f604eb4 (diff) | |
| download | linux-fcc619621df50f63b641b18536f908b05d6782a4.tar.gz | |
microblaze/PCI: Remove pci_phys_mem_access_prot() dead code
pci_phys_mem_access_prot() is defined but never used. Remove it.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20220121205150.1151607-1-helgaas@kernel.org
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'arch/microblaze')
| -rw-r--r-- | arch/microblaze/include/asm/pci.h | 4 | ||||
| -rw-r--r-- | arch/microblaze/pci/pci-common.c | 49 |
2 files changed, 0 insertions, 53 deletions
diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h index 7c4dc5d85f531..d905280646049 100644 --- a/arch/microblaze/include/asm/pci.h +++ b/arch/microblaze/include/asm/pci.h @@ -61,10 +61,6 @@ extern int pci_mmap_legacy_page_range(struct pci_bus *bus, extern void pcibios_resource_survey(void); struct file; -extern pgprot_t pci_phys_mem_access_prot(struct file *file, - unsigned long pfn, - unsigned long size, - pgprot_t prot); /* This part of code was originally in xilinx-pci.h */ #ifdef CONFIG_PCI_XILINX diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c index 622a4867f9e9d..33bab7eec731b 100644 --- a/arch/microblaze/pci/pci-common.c +++ b/arch/microblaze/pci/pci-common.c @@ -165,55 +165,6 @@ int pci_iobar_pfn(struct pci_dev *pdev, int bar, struct vm_area_struct *vma) return 0; } -/* - * This one is used by /dev/mem and fbdev who have no clue about the - * PCI device, it tries to find the PCI device first and calls the - * above routine - */ -pgprot_t pci_phys_mem_access_prot(struct file *file, - unsigned long pfn, - unsigned long size, - pgprot_t prot) -{ - struct pci_dev *pdev = NULL; - struct resource *found = NULL; - resource_size_t offset = ((resource_size_t)pfn) << PAGE_SHIFT; - int i; - - if (page_is_ram(pfn)) - return prot; - - prot = pgprot_noncached(prot); - for_each_pci_dev(pdev) { - for (i = 0; i <= PCI_ROM_RESOURCE; i++) { - struct resource *rp = &pdev->resource[i]; - int flags = rp->flags; - - /* Active and same type? */ - if ((flags & IORESOURCE_MEM) == 0) - continue; - /* In the range of this resource? */ - if (offset < (rp->start & PAGE_MASK) || - offset > rp->end) - continue; - found = rp; - break; - } - if (found) - break; - } - if (found) { - if (found->flags & IORESOURCE_PREFETCH) - prot = pgprot_noncached_wc(prot); - pci_dev_put(pdev); - } - - pr_debug("PCI: Non-PCI map for %llx, prot: %lx\n", - (unsigned long long)offset, pgprot_val(prot)); - - return prot; -} - /* This provides legacy IO read access on a bus */ int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val, size_t size) { |