ACPI: Export acpi_check_resource_conflict

Export acpi_check_resource_conflict(), sometimes drivers already have
a struct resource at hand so no need to use the wrappers to build a new
one.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>

2 files changed, 10 insertions, 1 deletions

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 222f7b1b66f7..bc1604bfa4db 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -1157,7 +1157,7 @@ __setup("acpi_enforce_resources=", acpi_enforce_resources_setup);
 
 /* Check for resource conflicts between ACPI OperationRegions and native
  * drivers */
-static int acpi_check_resource_conflict(struct resource *res)
+int acpi_check_resource_conflict(struct resource *res)
 {
         struct acpi_res_list *res_list_elem;
         int ioport;
@@ -1207,6 +1207,7 @@ static int acpi_check_resource_conflict(struct resource *res)
         }
         return 0;
 }
+EXPORT_SYMBOL(acpi_check_resource_conflict);
 
 int acpi_check_region(resource_size_t start, resource_size_t n,
                       const char *name)
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 893f90a5dea9..a031df8c83ae 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -25,6 +25,7 @@
 #ifndef _LINUX_ACPI_H
 #define _LINUX_ACPI_H
 
+#include <linux/ioport.h>       /* for struct resource */
 
 #ifdef  CONFIG_ACPI
 
@@ -217,6 +218,8 @@ extern int pnpacpi_disabled;
 #define PXM_INVAL       (-1)
 #define NID_INVAL       (-1)
 
+int acpi_check_resource_conflict(struct resource *res);
+
 int acpi_check_region(resource_size_t start, resource_size_t n,
                       const char *name);
 int acpi_check_mem_region(resource_size_t start, resource_size_t n,
@@ -234,6 +237,11 @@ static inline int acpi_boot_table_init(void)
         return 0;
 }
 
+static inline int acpi_check_resource_conflict(struct resource *res)
+{
+        return 0;
+}
+
 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
                                     const char *name)
 {