On 1/21/22 21:51, Bjorn Helgaas wrote:
From: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
pci_phys_mem_access_prot() is defined but never used. Remove it.
Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
---
arch/microblaze/include/asm/pci.h | 4 ---
arch/microblaze/pci/pci-common.c | 49 -------------------------------
2 files changed, 53 deletions(-)
diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h
index 7c4dc5d85f53..d90528064604 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 622a4867f9e9..33bab7eec731 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)
{
Applied.
M
--
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs
