1 files changed, 0 insertions, 122 deletions
diff --git a/arch/ia64/mm/ioremap.c b/arch/ia64/mm/ioremap.c
deleted file mode 100644
index a09cfa064536..000000000000
--- a/arch/ia64/mm/ioremap.c
+++ /dev/null
@@ -1,122 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * (c) Copyright 2006, 2007 Hewlett-Packard Development Company, L.P.
- *	Bjorn Helgaas <bjorn.helgaas@hp.com>
- */
-
-#include <linux/compiler.h>
-#include <linux/module.h>
-#include <linux/efi.h>
-#include <linux/io.h>
-#include <linux/vmalloc.h>
-#include <asm/io.h>
-#include <asm/meminit.h>
-
-static inline void __iomem *
-__ioremap_uc(unsigned long phys_addr)
-{
-	return (void __iomem *) (__IA64_UNCACHED_OFFSET | phys_addr);
-}
-
-void __iomem *
-early_ioremap (unsigned long phys_addr, unsigned long size)
-{
-	u64 attr;
-	attr = kern_mem_attribute(phys_addr, size);
-	if (attr & EFI_MEMORY_WB)
-		return (void __iomem *) phys_to_virt(phys_addr);
-	return __ioremap_uc(phys_addr);
-}
-
-void __iomem *
-ioremap (unsigned long phys_addr, unsigned long size)
-{
-	void __iomem *addr;
-	struct vm_struct *area;
-	unsigned long offset;
-	pgprot_t prot;
-	u64 attr;
-	unsigned long gran_base, gran_size;
-	unsigned long page_base;
-
-	/*
-	 * For things in kern_memmap, we must use the same attribute
-	 * as the rest of the kernel.  For more details, see
-	 * Documentation/ia64/aliasing.rst.
-	 */
-	attr = kern_mem_attribute(phys_addr, size);
-	if (attr & EFI_MEMORY_WB)
-		return (void __iomem *) phys_to_virt(phys_addr);
-	else if (attr & EFI_MEMORY_UC)
-		return __ioremap_uc(phys_addr);
-
-	/*
-	 * Some chipsets don't support UC access to memory.  If
-	 * WB is supported for the whole granule, we prefer that.
-	 */
-	gran_base = GRANULEROUNDDOWN(phys_addr);
-	gran_size = GRANULEROUNDUP(phys_addr + size) - gran_base;
-	if (efi_mem_attribute(gran_base, gran_size) & EFI_MEMORY_WB)
-		return (void __iomem *) phys_to_virt(phys_addr);
-
-	/*
-	 * WB is not supported for the whole granule, so we can't use
-	 * the region 7 identity mapping.  If we can safely cover the
-	 * area with kernel page table mappings, we can use those
-	 * instead.
-	 */
-	page_base = phys_addr & PAGE_MASK;
-	size = PAGE_ALIGN(phys_addr + size) - page_base;
-	if (efi_mem_attribute(page_base, size) & EFI_MEMORY_WB) {
-		prot = PAGE_KERNEL;
-
-		/*
-		 * Mappings have to be page-aligned
-		 */
-		offset = phys_addr & ~PAGE_MASK;
-		phys_addr &= PAGE_MASK;
-
-		/*
-		 * Ok, go for it..
-		 */
-		area = get_vm_area(size, VM_IOREMAP);
-		if (!area)
-			return NULL;
-
-		area->phys_addr = phys_addr;
-		addr = (void __iomem *) area->addr;
-		if (ioremap_page_range((unsigned long) addr,
-				(unsigned long) addr + size, phys_addr, prot)) {
-			vunmap((void __force *) addr);
-			return NULL;
-		}
-
-		return (void __iomem *) (offset + (char __iomem *)addr);
-	}
-
-	return __ioremap_uc(phys_addr);
-}
-EXPORT_SYMBOL(ioremap);
-
-void __iomem *
-ioremap_uc(unsigned long phys_addr, unsigned long size)
-{
-	if (kern_mem_attribute(phys_addr, size) & EFI_MEMORY_WB)
-		return NULL;
-
-	return __ioremap_uc(phys_addr);
-}
-EXPORT_SYMBOL(ioremap_uc);
-
-void
-early_iounmap (volatile void __iomem *addr, unsigned long size)
-{
-}
-
-void
-iounmap (volatile void __iomem *addr)
-{
-	if (REGION_NUMBER(addr) == RGN_GATE)
-		vunmap((void *) ((unsigned long) addr & PAGE_MASK));
-}
-EXPORT_SYMBOL(iounmap);