diff --git a/arch/loongarch/include/asm/addrspace.h b/arch/loongarch/include/asm/addrspace.h
index b91e0733b2e5..d342935e5a72 100644
--- a/arch/loongarch/include/asm/addrspace.h
+++ b/arch/loongarch/include/asm/addrspace.h
@@ -109,4 +109,20 @@ extern unsigned long vm_map_base;
  */
 #define PHYSADDR(a)		((_ACAST64_(a)) & TO_PHYS_MASK)
 
+/*
+ * On LoongArch, I/O ports mappring is following:
+ *
+ *              |         ....          |
+ *              |-----------------------|
+ *              | pci io ports(16K~32M) |
+ *              |-----------------------|
+ *              | isa io ports(0  ~16K) |
+ * PCI_IOBASE ->|-----------------------|
+ *              |         ....          |
+ */
+#define PCI_IOBASE	((void __iomem *)(vm_map_base + (2 * PAGE_SIZE)))
+#define PCI_IOSIZE	SZ_32M
+#define ISA_IOSIZE	SZ_16K
+#define IO_SPACE_LIMIT	(PCI_IOSIZE - 1)
+
 #endif /* _ASM_ADDRSPACE_H */
diff --git a/arch/loongarch/include/asm/io.h b/arch/loongarch/include/asm/io.h
index 884599739b36..999944ea1cea 100644
--- a/arch/loongarch/include/asm/io.h
+++ b/arch/loongarch/include/asm/io.h
@@ -7,34 +7,15 @@
 
 #define ARCH_HAS_IOREMAP_WC
 
-#include <linux/compiler.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
 
 #include <asm/addrspace.h>
-#include <asm/bug.h>
-#include <asm/byteorder.h>
 #include <asm/cpu.h>
 #include <asm/page.h>
 #include <asm/pgtable-bits.h>
 #include <asm/string.h>
 
-/*
- * On LoongArch, I/O ports mappring is following:
- *
- *              |         ....          |
- *              |-----------------------|
- *              | pci io ports(64K~32M) |
- *              |-----------------------|
- *              | isa io ports(0  ~16K) |
- * PCI_IOBASE ->|-----------------------|
- *              |         ....          |
- */
-#define PCI_IOBASE	((void __iomem *)(vm_map_base + (2 * PAGE_SIZE)))
-#define PCI_IOSIZE	SZ_32M
-#define ISA_IOSIZE	SZ_16K
-#define IO_SPACE_LIMIT	(PCI_IOSIZE - 1)
-
 /*
  * Change "struct page" to physical address.
  */
diff --git a/arch/loongarch/include/asm/page.h b/arch/loongarch/include/asm/page.h
index a37324ac460b..53f284a96182 100644
--- a/arch/loongarch/include/asm/page.h
+++ b/arch/loongarch/include/asm/page.h
@@ -95,7 +95,7 @@ static inline int pfn_valid(unsigned long pfn)
 
 #endif
 
-#define virt_to_pfn(kaddr)	PFN_DOWN(virt_to_phys((void *)(kaddr)))
+#define virt_to_pfn(kaddr)	PFN_DOWN(PHYSADDR(kaddr))
 #define virt_to_page(kaddr)	pfn_to_page(virt_to_pfn(kaddr))
 
 extern int __virt_addr_valid(volatile void *kaddr);
diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h
index e03443abaf7d..8ea57e2f0e04 100644
--- a/arch/loongarch/include/asm/pgtable.h
+++ b/arch/loongarch/include/asm/pgtable.h
@@ -59,7 +59,6 @@
 #include <linux/mm_types.h>
 #include <linux/mmzone.h>
 #include <asm/fixmap.h>
-#include <asm/io.h>
 
 struct mm_struct;
 struct vm_area_struct;
@@ -145,7 +144,7 @@ static inline void set_p4d(p4d_t *p4d, p4d_t p4dval)
 	*p4d = p4dval;
 }
 
-#define p4d_phys(p4d)		virt_to_phys((void *)p4d_val(p4d))
+#define p4d_phys(p4d)		PHYSADDR(p4d_val(p4d))
 #define p4d_page(p4d)		(pfn_to_page(p4d_phys(p4d) >> PAGE_SHIFT))
 
 #endif
@@ -188,7 +187,7 @@ static inline pmd_t *pud_pgtable(pud_t pud)
 
 #define set_pud(pudptr, pudval) do { *(pudptr) = (pudval); } while (0)
 
-#define pud_phys(pud)		virt_to_phys((void *)pud_val(pud))
+#define pud_phys(pud)		PHYSADDR(pud_val(pud))
 #define pud_page(pud)		(pfn_to_page(pud_phys(pud) >> PAGE_SHIFT))
 
 #endif
@@ -221,7 +220,7 @@ static inline void pmd_clear(pmd_t *pmdp)
 
 #define set_pmd(pmdptr, pmdval) do { *(pmdptr) = (pmdval); } while (0)
 
-#define pmd_phys(pmd)		virt_to_phys((void *)pmd_val(pmd))
+#define pmd_phys(pmd)		PHYSADDR(pmd_val(pmd))
 
 #ifndef CONFIG_TRANSPARENT_HUGEPAGE
 #define pmd_page(pmd)		(pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT))
diff --git a/arch/loongarch/mm/mmap.c b/arch/loongarch/mm/mmap.c
index 52e40f0ba732..381a569635a9 100644
--- a/arch/loongarch/mm/mmap.c
+++ b/arch/loongarch/mm/mmap.c
@@ -2,16 +2,9 @@
 /*
  * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
  */
-#include <linux/compiler.h>
-#include <linux/elf-randomize.h>
-#include <linux/errno.h>
+#include <linux/export.h>
 #include <linux/mm.h>
 #include <linux/mman.h>
-#include <linux/export.h>
-#include <linux/personality.h>
-#include <linux/random.h>
-#include <linux/sched/signal.h>
-#include <linux/sched/mm.h>
 
 unsigned long shm_align_mask = PAGE_SIZE - 1;	/* Sane caches */
 EXPORT_SYMBOL(shm_align_mask);
@@ -120,6 +113,6 @@ int __virt_addr_valid(volatile void *kaddr)
 	if ((vaddr < PAGE_OFFSET) || (vaddr >= vm_map_base))
 		return 0;
 
-	return pfn_valid(PFN_DOWN(virt_to_phys(kaddr)));
+	return pfn_valid(PFN_DOWN(PHYSADDR(kaddr)));
 }
 EXPORT_SYMBOL_GPL(__virt_addr_valid);