1 files changed, 5 insertions, 24 deletions

diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c
index 4ff35852c0b3..a390a1c2b0ab 100644
--- a/drivers/acpi/acpica/exregion.c
+++ b/drivers/acpi/acpica/exregion.c
@@ -3,7 +3,7 @@
  *
  * Module Name: exregion - ACPI default op_region (address space) handlers
  *
- * Copyright (C) 2000 - 2022, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
  *
  *****************************************************************************/
 
@@ -44,7 +44,6 @@ acpi_ex_system_memory_space_handler(u32 function,
 	struct acpi_mem_mapping *mm = mem_info->cur_mm;
 	u32 length;
 	acpi_size map_length;
-	acpi_size page_boundary_map_length;
 #ifdef ACPI_MISALIGNMENT_NOT_SUPPORTED
 	u32 remainder;
 #endif
@@ -138,26 +137,8 @@ acpi_ex_system_memory_space_handler(u32 function,
 		map_length = (acpi_size)
 		    ((mem_info->address + mem_info->length) - address);
 
-		/*
-		 * If mapping the entire remaining portion of the region will cross
-		 * a page boundary, just map up to the page boundary, do not cross.
-		 * On some systems, crossing a page boundary while mapping regions
-		 * can cause warnings if the pages have different attributes
-		 * due to resource management.
-		 *
-		 * This has the added benefit of constraining a single mapping to
-		 * one page, which is similar to the original code that used a 4k
-		 * maximum window.
-		 */
-		page_boundary_map_length = (acpi_size)
-		    (ACPI_ROUND_UP(address, ACPI_DEFAULT_PAGE_SIZE) - address);
-		if (page_boundary_map_length == 0) {
-			page_boundary_map_length = ACPI_DEFAULT_PAGE_SIZE;
-		}
-
-		if (map_length > page_boundary_map_length) {
-			map_length = page_boundary_map_length;
-		}
+		if (map_length > ACPI_DEFAULT_PAGE_SIZE)
+			map_length = ACPI_DEFAULT_PAGE_SIZE;
 
 		/* Create a new mapping starting at the address given */
 
@@ -509,12 +490,12 @@ acpi_ex_data_table_space_handler(u32 function,
 				 u64 *value,
 				 void *handler_context, void *region_context)
 {
-	struct acpi_data_table_space_context *mapping;
+	struct acpi_data_table_mapping *mapping;
 	char *pointer;
 
 	ACPI_FUNCTION_TRACE(ex_data_table_space_handler);
 
-	mapping = (struct acpi_data_table_space_context *) region_context;
+	mapping = (struct acpi_data_table_mapping *) region_context;
 	pointer = ACPI_CAST_PTR(char, mapping->pointer) +
 	    (address - ACPI_PTR_TO_PHYSADDR(mapping->pointer));