diff --git a/arch/arc/mm/ioremap.c b/arch/arc/mm/ioremap.c
index b07004d53267..fd8897a0e52c 100644
--- a/arch/arc/mm/ioremap.c
+++ b/arch/arc/mm/ioremap.c
@@ -32,7 +32,7 @@ void __iomem *ioremap(phys_addr_t paddr, unsigned long size)
 		return (void __iomem *)(u32)paddr;
 
 	return ioremap_prot(paddr, size,
-			    pgprot_val(pgprot_noncached(PAGE_KERNEL)));
+			    pgprot_noncached(PAGE_KERNEL));
 }
 EXPORT_SYMBOL(ioremap);
 
@@ -44,10 +44,8 @@ EXPORT_SYMBOL(ioremap);
  * might need finer access control (R/W/X)
  */
 void __iomem *ioremap_prot(phys_addr_t paddr, size_t size,
-			   unsigned long flags)
+			   pgprot_t prot)
 {
-	pgprot_t prot = __pgprot(flags);
-
 	/* force uncached */
 	return generic_ioremap_prot(paddr, size, pgprot_noncached(prot));
 }
diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h
index 76ebbdc6ffdd..9b96840fb979 100644
--- a/arch/arm64/include/asm/io.h
+++ b/arch/arm64/include/asm/io.h
@@ -270,9 +270,9 @@ int arm64_ioremap_prot_hook_register(const ioremap_prot_hook_t hook);
 #define _PAGE_IOREMAP PROT_DEVICE_nGnRE
 
 #define ioremap_wc(addr, size)	\
-	ioremap_prot((addr), (size), PROT_NORMAL_NC)
+	ioremap_prot((addr), (size), __pgprot(PROT_NORMAL_NC))
 #define ioremap_np(addr, size)	\
-	ioremap_prot((addr), (size), PROT_DEVICE_nGnRnE)
+	ioremap_prot((addr), (size), __pgprot(PROT_DEVICE_nGnRnE))
 
 /*
  * io{read,write}{16,32,64}be() macros
@@ -293,7 +293,7 @@ static inline void __iomem *ioremap_cache(phys_addr_t addr, size_t size)
 	if (pfn_is_map_memory(__phys_to_pfn(addr)))
 		return (void __iomem *)__phys_to_virt(addr);
 
-	return ioremap_prot(addr, size, PROT_NORMAL);
+	return ioremap_prot(addr, size, __pgprot(PROT_NORMAL));
 }
 
 /*
diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c
index e6f66491fbe9..b9a66fc146c9 100644
--- a/arch/arm64/kernel/acpi.c
+++ b/arch/arm64/kernel/acpi.c
@@ -379,7 +379,7 @@ void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size)
 				prot = __acpi_get_writethrough_mem_attribute();
 		}
 	}
-	return ioremap_prot(phys, size, pgprot_val(prot));
+	return ioremap_prot(phys, size, prot);
 }
 
 /*
diff --git a/arch/arm64/mm/ioremap.c b/arch/arm64/mm/ioremap.c
index 6cc0b7e7eb03..10e246f11271 100644
--- a/arch/arm64/mm/ioremap.c
+++ b/arch/arm64/mm/ioremap.c
@@ -15,10 +15,9 @@ int arm64_ioremap_prot_hook_register(ioremap_prot_hook_t hook)
 }
 
 void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size,
-			   unsigned long prot)
+			   pgprot_t pgprot)
 {
 	unsigned long last_addr = phys_addr + size - 1;
-	pgprot_t pgprot = __pgprot(prot);
 
 	/* Don't allow outside PHYS_MASK */
 	if (last_addr & ~PHYS_MASK)
diff --git a/arch/csky/include/asm/io.h b/arch/csky/include/asm/io.h
index ed53f0b47388..536d3bf32ff1 100644
--- a/arch/csky/include/asm/io.h
+++ b/arch/csky/include/asm/io.h
@@ -36,7 +36,7 @@
  */
 #define ioremap_wc(addr, size) \
 	ioremap_prot((addr), (size), \
-		(_PAGE_IOREMAP & ~_CACHE_MASK) | _CACHE_UNCACHED)
+		__pgprot((_PAGE_IOREMAP & ~_CACHE_MASK) | _CACHE_UNCACHED))
 
 #include <asm-generic/io.h>
 
diff --git a/arch/loongarch/include/asm/io.h b/arch/loongarch/include/asm/io.h
index e77a56eaf906..eaff72b38dc8 100644
--- a/arch/loongarch/include/asm/io.h
+++ b/arch/loongarch/include/asm/io.h
@@ -23,9 +23,9 @@ extern void __init early_iounmap(void __iomem *addr, unsigned long size);
 #ifdef CONFIG_ARCH_IOREMAP
 
 static inline void __iomem *ioremap_prot(phys_addr_t offset, unsigned long size,
-					 unsigned long prot_val)
+					 pgprot_t prot)
 {
-	switch (prot_val & _CACHE_MASK) {
+	switch (pgprot_val(prot) & _CACHE_MASK) {
 	case _CACHE_CC:
 		return (void __iomem *)(unsigned long)(CACHE_BASE + offset);
 	case _CACHE_SUC:
@@ -38,7 +38,7 @@ static inline void __iomem *ioremap_prot(phys_addr_t offset, unsigned long size,
 }
 
 #define ioremap(offset, size)		\
-	ioremap_prot((offset), (size), pgprot_val(PAGE_KERNEL_SUC))
+	ioremap_prot((offset), (size), PAGE_KERNEL_SUC)
 
 #define iounmap(addr) 			((void)(addr))
 
@@ -55,10 +55,10 @@ static inline void __iomem *ioremap_prot(phys_addr_t offset, unsigned long size,
  */
 #define ioremap_wc(offset, size)	\
 	ioremap_prot((offset), (size),	\
-		pgprot_val(wc_enabled ? PAGE_KERNEL_WUC : PAGE_KERNEL_SUC))
+		     wc_enabled ? PAGE_KERNEL_WUC : PAGE_KERNEL_SUC)
 
 #define ioremap_cache(offset, size)	\
-	ioremap_prot((offset), (size), pgprot_val(PAGE_KERNEL))
+	ioremap_prot((offset), (size), PAGE_KERNEL)
 
 #define mmiowb() wmb()
 
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index 0bddb568af7c..4dacf40ebefd 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -126,7 +126,7 @@ static inline unsigned long isa_virt_to_bus(volatile void *address)
 }
 
 void __iomem *ioremap_prot(phys_addr_t offset, unsigned long size,
-		unsigned long prot_val);
+			   pgprot_t prot);
 void iounmap(const volatile void __iomem *addr);
 
 /*
@@ -141,7 +141,7 @@ void iounmap(const volatile void __iomem *addr);
  * address.
  */
 #define ioremap(offset, size)						\
-	ioremap_prot((offset), (size), _CACHE_UNCACHED)
+	ioremap_prot((offset), (size), __pgprot(_CACHE_UNCACHED))
 
 /*
  * ioremap_cache -	map bus memory into CPU space
@@ -159,7 +159,7 @@ void iounmap(const volatile void __iomem *addr);
  * memory-like regions on I/O busses.
  */
 #define ioremap_cache(offset, size)					\
-	ioremap_prot((offset), (size), _page_cachable_default)
+	ioremap_prot((offset), (size), __pgprot(_page_cachable_default))
 
 /*
  * ioremap_wc     -   map bus memory into CPU space
@@ -180,7 +180,7 @@ void iounmap(const volatile void __iomem *addr);
  * _CACHE_UNCACHED option (see cpu_probe() method).
  */
 #define ioremap_wc(offset, size)					\
-	ioremap_prot((offset), (size), boot_cpu_data.writecombine)
+	ioremap_prot((offset), (size), __pgprot(boot_cpu_data.writecombine))
 
 #if defined(CONFIG_CPU_CAVIUM_OCTEON)
 #define war_io_reorder_wmb()		wmb()
diff --git a/arch/mips/mm/ioremap.c b/arch/mips/mm/ioremap.c
index d8243d61ef32..c6c4576cd4a8 100644
--- a/arch/mips/mm/ioremap.c
+++ b/arch/mips/mm/ioremap.c
@@ -44,9 +44,9 @@ static int __ioremap_check_ram(unsigned long start_pfn, unsigned long nr_pages,
  * ioremap_prot gives the caller control over cache coherency attributes (CCA)
  */
 void __iomem *ioremap_prot(phys_addr_t phys_addr, unsigned long size,
-		unsigned long prot_val)
+			   pgprot_t prot)
 {
-	unsigned long flags = prot_val & _CACHE_MASK;
+	unsigned long flags = pgprot_val(prot) & _CACHE_MASK;
 	unsigned long offset, pfn, last_pfn;
 	struct vm_struct *area;
 	phys_addr_t last_addr;
diff --git a/arch/mips/mm/ioremap64.c b/arch/mips/mm/ioremap64.c
index 15e7820d6a5f..acc03ba20098 100644
--- a/arch/mips/mm/ioremap64.c
+++ b/arch/mips/mm/ioremap64.c
@@ -3,9 +3,9 @@
 #include <ioremap.h>
 
 void __iomem *ioremap_prot(phys_addr_t offset, unsigned long size,
-		unsigned long prot_val)
+			   pgprot_t prot)
 {
-	unsigned long flags = prot_val & _CACHE_MASK;
+	unsigned long flags = pgprot_val(prot) & _CACHE_MASK;
 	u64 base = (flags == _CACHE_UNCACHED ? IO_BASE : UNCAC_BASE);
 	void __iomem *addr;
 
diff --git a/arch/parisc/include/asm/io.h b/arch/parisc/include/asm/io.h
index 3143cf29ce27..04b783e2a6d1 100644
--- a/arch/parisc/include/asm/io.h
+++ b/arch/parisc/include/asm/io.h
@@ -131,7 +131,7 @@ static inline void gsc_writeq(unsigned long long val, unsigned long addr)
 		       _PAGE_ACCESSED | _PAGE_NO_CACHE)
 
 #define ioremap_wc(addr, size)  \
-	ioremap_prot((addr), (size), _PAGE_IOREMAP)
+	ioremap_prot((addr), (size), __pgprot(_PAGE_IOREMAP))
 
 #define pci_iounmap			pci_iounmap
 
diff --git a/arch/parisc/mm/ioremap.c b/arch/parisc/mm/ioremap.c
index fd996472dfe7..0b65c4b3baee 100644
--- a/arch/parisc/mm/ioremap.c
+++ b/arch/parisc/mm/ioremap.c
@@ -14,7 +14,7 @@
 #include <linux/mm.h>
 
 void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size,
-			   unsigned long prot)
+			   pgprot_t prot)
 {
 #ifdef CONFIG_EISA
 	unsigned long end = phys_addr + size - 1;
@@ -41,6 +41,6 @@ void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size,
 		}
 	}
 
-	return generic_ioremap_prot(phys_addr, size, __pgprot(prot));
+	return generic_ioremap_prot(phys_addr, size, prot);
 }
 EXPORT_SYMBOL(ioremap_prot);
diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h
index fd92ac450169..0436cdc7cfcc 100644
--- a/arch/powerpc/include/asm/io.h
+++ b/arch/powerpc/include/asm/io.h
@@ -895,7 +895,7 @@ void __iomem *ioremap_wt(phys_addr_t address, unsigned long size);
 
 void __iomem *ioremap_coherent(phys_addr_t address, unsigned long size);
 #define ioremap_cache(addr, size) \
-	ioremap_prot((addr), (size), pgprot_val(PAGE_KERNEL))
+	ioremap_prot((addr), (size), PAGE_KERNEL)
 
 #define iounmap iounmap
 
diff --git a/arch/powerpc/mm/ioremap.c b/arch/powerpc/mm/ioremap.c
index 7b0afcabd89f..0d6615620ada 100644
--- a/arch/powerpc/mm/ioremap.c
+++ b/arch/powerpc/mm/ioremap.c
@@ -41,9 +41,9 @@ void __iomem *ioremap_coherent(phys_addr_t addr, unsigned long size)
 	return __ioremap_caller(addr, size, prot, caller);
 }
 
-void __iomem *ioremap_prot(phys_addr_t addr, size_t size, unsigned long flags)
+void __iomem *ioremap_prot(phys_addr_t addr, size_t size, pgprot_t prot)
 {
-	pte_t pte = __pte(flags);
+	pte_t pte = __pte(pgprot_val(prot));
 	void *caller = __builtin_return_address(0);
 
 	/* writeable implies dirty for kernel addresses */
diff --git a/arch/powerpc/platforms/ps3/spu.c b/arch/powerpc/platforms/ps3/spu.c
index 4a2520ec6d7f..61b37c9400b2 100644
--- a/arch/powerpc/platforms/ps3/spu.c
+++ b/arch/powerpc/platforms/ps3/spu.c
@@ -190,10 +190,10 @@ static void spu_unmap(struct spu *spu)
 static int __init setup_areas(struct spu *spu)
 {
 	struct table {char* name; unsigned long addr; unsigned long size;};
-	unsigned long shadow_flags = pgprot_val(pgprot_noncached_wc(PAGE_KERNEL_RO));
 
 	spu_pdata(spu)->shadow = ioremap_prot(spu_pdata(spu)->shadow_addr,
-					      sizeof(struct spe_shadow), shadow_flags);
+					      sizeof(struct spe_shadow),
+					      pgprot_noncached_wc(PAGE_KERNEL_RO));
 	if (!spu_pdata(spu)->shadow) {
 		pr_debug("%s:%d: ioremap shadow failed\n", __func__, __LINE__);
 		goto fail_ioremap;
diff --git a/arch/riscv/include/asm/io.h b/arch/riscv/include/asm/io.h
index 1c5c641075d2..0536846db9b6 100644
--- a/arch/riscv/include/asm/io.h
+++ b/arch/riscv/include/asm/io.h
@@ -137,7 +137,7 @@ __io_writes_outs(outs, u64, q, __io_pbr(), __io_paw())
 
 #ifdef CONFIG_MMU
 #define arch_memremap_wb(addr, size)	\
-	((__force void *)ioremap_prot((addr), (size), _PAGE_KERNEL))
+	((__force void *)ioremap_prot((addr), (size), __pgprot(_PAGE_KERNEL)))
 #endif
 
 #endif /* _ASM_RISCV_IO_H */
diff --git a/arch/riscv/kernel/acpi.c b/arch/riscv/kernel/acpi.c
index 2fd29695a788..3f6d5a6789e8 100644
--- a/arch/riscv/kernel/acpi.c
+++ b/arch/riscv/kernel/acpi.c
@@ -305,7 +305,7 @@ void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size)
 		}
 	}
 
-	return ioremap_prot(phys, size, pgprot_val(prot));
+	return ioremap_prot(phys, size, prot);
 }
 
 #ifdef CONFIG_PCI
diff --git a/arch/s390/include/asm/io.h b/arch/s390/include/asm/io.h
index fc9933a743d6..82f1043a4fc3 100644
--- a/arch/s390/include/asm/io.h
+++ b/arch/s390/include/asm/io.h
@@ -33,9 +33,9 @@ void unxlate_dev_mem_ptr(phys_addr_t phys, void *addr);
 #define _PAGE_IOREMAP pgprot_val(PAGE_KERNEL)
 
 #define ioremap_wc(addr, size)  \
-	ioremap_prot((addr), (size), pgprot_val(pgprot_writecombine(PAGE_KERNEL)))
+	ioremap_prot((addr), (size), pgprot_writecombine(PAGE_KERNEL))
 #define ioremap_wt(addr, size)  \
-	ioremap_prot((addr), (size), pgprot_val(pgprot_writethrough(PAGE_KERNEL)))
+	ioremap_prot((addr), (size), pgprot_writethrough(PAGE_KERNEL))
 
 static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
 {
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 88f72745fa59..9fdcd733d40e 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -255,7 +255,7 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res,
 }
 
 void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size,
-			   unsigned long prot)
+			   pgprot_t prot)
 {
 	/*
 	 * When PCI MIO instructions are unavailable the "physical" address
@@ -265,7 +265,7 @@ void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size,
 	if (!static_branch_unlikely(&have_mio))
 		return (void __iomem *)phys_addr;
 
-	return generic_ioremap_prot(phys_addr, size, __pgprot(prot));
+	return generic_ioremap_prot(phys_addr, size, prot);
 }
 EXPORT_SYMBOL(ioremap_prot);
 
diff --git a/arch/sh/boards/mach-landisk/setup.c b/arch/sh/boards/mach-landisk/setup.c
index 2c44b94f82fb..1b3f43c3ac46 100644
--- a/arch/sh/boards/mach-landisk/setup.c
+++ b/arch/sh/boards/mach-landisk/setup.c
@@ -58,7 +58,7 @@ static int __init landisk_devices_setup(void)
 	/* open I/O area window */
 	paddrbase = virt_to_phys((void *)PA_AREA5_IO);
 	prot = PAGE_KERNEL_PCC(1, _PAGE_PCC_IO16);
-	cf_ide_base = ioremap_prot(paddrbase, PAGE_SIZE, pgprot_val(prot));
+	cf_ide_base = ioremap_prot(paddrbase, PAGE_SIZE, prot);
 	if (!cf_ide_base) {
 		printk("allocate_cf_area : can't open CF I/O window!\n");
 		return -ENOMEM;
diff --git a/arch/sh/boards/mach-lboxre2/setup.c b/arch/sh/boards/mach-lboxre2/setup.c
index 20d01b430f2a..e95bde207adb 100644
--- a/arch/sh/boards/mach-lboxre2/setup.c
+++ b/arch/sh/boards/mach-lboxre2/setup.c
@@ -53,7 +53,7 @@ static int __init lboxre2_devices_setup(void)
 	paddrbase = virt_to_phys((void*)PA_AREA5_IO);
 	psize = PAGE_SIZE;
 	prot = PAGE_KERNEL_PCC(1, _PAGE_PCC_IO16);
-	cf0_io_base = (u32)ioremap_prot(paddrbase, psize, pgprot_val(prot));
+	cf0_io_base = (u32)ioremap_prot(paddrbase, psize, prot);
 	if (!cf0_io_base) {
 		printk(KERN_ERR "%s : can't open CF I/O window!\n" , __func__ );
 		return -ENOMEM;
diff --git a/arch/sh/boards/mach-sh03/setup.c b/arch/sh/boards/mach-sh03/setup.c
index 3901b6031ad5..5c9312f334d3 100644
--- a/arch/sh/boards/mach-sh03/setup.c
+++ b/arch/sh/boards/mach-sh03/setup.c
@@ -75,7 +75,7 @@ static int __init sh03_devices_setup(void)
 	/* open I/O area window */
 	paddrbase = virt_to_phys((void *)PA_AREA5_IO);
 	prot = PAGE_KERNEL_PCC(1, _PAGE_PCC_IO16);
-	cf_ide_base = ioremap_prot(paddrbase, PAGE_SIZE, pgprot_val(prot));
+	cf_ide_base = ioremap_prot(paddrbase, PAGE_SIZE, prot);
 	if (!cf_ide_base) {
 		printk("allocate_cf_area : can't open CF I/O window!\n");
 		return -ENOMEM;
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index cf5eab840d57..531ec49b878d 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -299,7 +299,7 @@ unsigned long long poke_real_address_q(unsigned long long addr,
 #define _PAGE_IOREMAP pgprot_val(PAGE_KERNEL_NOCACHE)
 
 #define ioremap_cache(addr, size)  \
-	ioremap_prot((addr), (size), pgprot_val(PAGE_KERNEL))
+	ioremap_prot((addr), (size), PAGE_KERNEL)
 #endif /* CONFIG_MMU */
 
 #include <asm-generic/io.h>
diff --git a/arch/sh/mm/ioremap.c b/arch/sh/mm/ioremap.c
index 33d20f34560f..5bbde53fb32d 100644
--- a/arch/sh/mm/ioremap.c
+++ b/arch/sh/mm/ioremap.c
@@ -73,10 +73,9 @@ __ioremap_29bit(phys_addr_t offset, unsigned long size, pgprot_t prot)
 #endif /* CONFIG_29BIT */
 
 void __iomem __ref *ioremap_prot(phys_addr_t phys_addr, size_t size,
-				 unsigned long prot)
+				 pgprot_t pgprot)
 {
 	void __iomem *mapped;
-	pgprot_t pgprot = __pgprot(prot);
 
 	mapped = __ioremap_trapped(phys_addr, size);
 	if (mapped)
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index ed580c7f9d0a..0794936ec187 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -170,7 +170,7 @@ extern void __iomem *ioremap_uc(resource_size_t offset, unsigned long size);
 #define ioremap_uc ioremap_uc
 extern void __iomem *ioremap_cache(resource_size_t offset, unsigned long size);
 #define ioremap_cache ioremap_cache
-extern void __iomem *ioremap_prot(resource_size_t offset, unsigned long size, unsigned long prot_val);
+extern void __iomem *ioremap_prot(resource_size_t offset, unsigned long size,  pgprot_t prot);
 #define ioremap_prot ioremap_prot
 extern void __iomem *ioremap_encrypted(resource_size_t phys_addr, unsigned long size);
 #define ioremap_encrypted ioremap_encrypted
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 38ff7791a9c7..d501f0871aa5 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -440,10 +440,10 @@ void __iomem *ioremap_cache(resource_size_t phys_addr, unsigned long size)
 EXPORT_SYMBOL(ioremap_cache);
 
 void __iomem *ioremap_prot(resource_size_t phys_addr, unsigned long size,
-				unsigned long prot_val)
+			   pgprot_t prot)
 {
 	return __ioremap_caller(phys_addr, size,
-				pgprot2cachemode(__pgprot(prot_val)),
+				pgprot2cachemode(prot),
 				__builtin_return_address(0), false);
 }
 EXPORT_SYMBOL(ioremap_prot);
diff --git a/arch/xtensa/include/asm/io.h b/arch/xtensa/include/asm/io.h
index 934e58399c8c..7cdcc2deab3e 100644
--- a/arch/xtensa/include/asm/io.h
+++ b/arch/xtensa/include/asm/io.h
@@ -29,7 +29,7 @@
  * I/O memory mapping functions.
  */
 void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size,
-			   unsigned long prot);
+			   pgprot_t prot);
 #define ioremap_prot ioremap_prot
 #define iounmap iounmap
 
@@ -40,7 +40,7 @@ static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
 		return (void*)(offset-XCHAL_KIO_PADDR+XCHAL_KIO_BYPASS_VADDR);
 	else
 		return ioremap_prot(offset, size,
-			pgprot_val(pgprot_noncached(PAGE_KERNEL)));
+				    pgprot_noncached(PAGE_KERNEL));
 }
 #define ioremap ioremap
 
@@ -51,7 +51,7 @@ static inline void __iomem *ioremap_cache(unsigned long offset,
 	    && offset - XCHAL_KIO_PADDR < XCHAL_KIO_SIZE)
 		return (void*)(offset-XCHAL_KIO_PADDR+XCHAL_KIO_CACHED_VADDR);
 	else
-		return ioremap_prot(offset, size, pgprot_val(PAGE_KERNEL));
+		return ioremap_prot(offset, size, PAGE_KERNEL);
 
 }
 #define ioremap_cache ioremap_cache
diff --git a/arch/xtensa/mm/ioremap.c b/arch/xtensa/mm/ioremap.c
index 8ca660b7ab49..26f238fa9d0d 100644
--- a/arch/xtensa/mm/ioremap.c
+++ b/arch/xtensa/mm/ioremap.c
@@ -11,12 +11,12 @@
 #include <asm/io.h>
 
 void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size,
-			   unsigned long prot)
+			   pgprot_t prot)
 {
 	unsigned long pfn = __phys_to_pfn((phys_addr));
 	WARN_ON(pfn_valid(pfn));
 
-	return generic_ioremap_prot(phys_addr, size, __pgprot(prot));
+	return generic_ioremap_prot(phys_addr, size, prot);
 }
 EXPORT_SYMBOL(ioremap_prot);
 
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index a5cbbf3e26ec..402020b23423 100644
--- a/include/asm-generic/io.h
+++ b/include/asm-generic/io.h
@@ -1111,7 +1111,7 @@ void __iomem *generic_ioremap_prot(phys_addr_t phys_addr, size_t size,
 				   pgprot_t prot);
 
 void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size,
-			   unsigned long prot);
+			   pgprot_t prot);
 void iounmap(volatile void __iomem *addr);
 void generic_iounmap(volatile void __iomem *addr);
 
@@ -1120,7 +1120,7 @@ void generic_iounmap(volatile void __iomem *addr);
 static inline void __iomem *ioremap(phys_addr_t addr, size_t size)
 {
 	/* _PAGE_IOREMAP needs to be supplied by the architecture */
-	return ioremap_prot(addr, size, _PAGE_IOREMAP);
+	return ioremap_prot(addr, size, __pgprot(_PAGE_IOREMAP));
 }
 #endif
 #endif /* !CONFIG_MMU || CONFIG_GENERIC_IOREMAP */
diff --git a/mm/ioremap.c b/mm/ioremap.c
index 3e049dfb28bd..c36dd9f62fd5 100644
--- a/mm/ioremap.c
+++ b/mm/ioremap.c
@@ -50,9 +50,9 @@ void __iomem *generic_ioremap_prot(phys_addr_t phys_addr, size_t size,
 
 #ifndef ioremap_prot
 void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size,
-			   unsigned long prot)
+			   pgprot_t prot)
 {
-	return generic_ioremap_prot(phys_addr, size, __pgprot(prot));
+	return generic_ioremap_prot(phys_addr, size, prot);
 }
 EXPORT_SYMBOL(ioremap_prot);
 #endif
diff --git a/mm/memory.c b/mm/memory.c
index 39bceed7448f..270c9357475d 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -6727,7 +6727,7 @@ int generic_access_phys(struct vm_area_struct *vma, unsigned long addr,
 			void *buf, int len, int write)
 {
 	resource_size_t phys_addr;
-	unsigned long prot = 0;
+	pgprot_t prot = __pgprot(0);
 	void __iomem *maddr;
 	int offset = offset_in_page(addr);
 	int ret = -EINVAL;
@@ -6737,7 +6737,7 @@ int generic_access_phys(struct vm_area_struct *vma, unsigned long addr,
 retry:
 	if (follow_pfnmap_start(&args))
 		return -EINVAL;
-	prot = pgprot_val(args.pgprot);
+	prot = args.pgprot;
 	phys_addr = (resource_size_t)args.pfn << PAGE_SHIFT;
 	writable = args.writable;
 	follow_pfnmap_end(&args);
@@ -6752,7 +6752,7 @@ retry:
 	if (follow_pfnmap_start(&args))
 		goto out_unmap;
 
-	if ((prot != pgprot_val(args.pgprot)) ||
+	if ((pgprot_val(prot) != pgprot_val(args.pgprot)) ||
 	    (phys_addr != (args.pfn << PAGE_SHIFT)) ||
 	    (writable != args.writable)) {
 		follow_pfnmap_end(&args);