AMD IOMMU: convert amd_iommu_isolate to bool

Impact: cleanup

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

2 files changed, 5 insertions, 4 deletions

diff --git a/arch/x86/include/asm/amd_iommu_types.h b/arch/x86/include/asm/amd_iommu_types.h
index c4b144ece1f8..7abf9cf0c1fe 100644
--- a/arch/x86/include/asm/amd_iommu_types.h
+++ b/arch/x86/include/asm/amd_iommu_types.h
@@ -381,7 +381,7 @@ extern struct protection_domain **amd_iommu_pd_table;
 extern unsigned long *amd_iommu_pd_alloc_bitmap;
 
 /* will be 1 if device isolation is enabled */
-extern int amd_iommu_isolate;
+extern bool amd_iommu_isolate;
 
 /*
  * If true, the addresses will be flushed on unmap time, not when
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index c625800c55ca..47e163b4431e 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -122,7 +122,8 @@ u16 amd_iommu_last_bdf;			/* largest PCI device id we have
 LIST_HEAD(amd_iommu_unity_map);         /* a list of required unity mappings
                                            we find in ACPI */
 unsigned amd_iommu_aperture_order = 26; /* size of aperture in power of 2 */
-int amd_iommu_isolate = 1;              /* if 1, device isolation is enabled */
+bool amd_iommu_isolate = true;          /* if true, device isolation is
+                                           enabled */
 bool amd_iommu_unmap_flush;             /* if true, flush on every unmap */
 
 LIST_HEAD(amd_iommu_list);              /* list of all AMD IOMMUs in the
@@ -1218,9 +1219,9 @@ static int __init parse_amd_iommu_options(char *str)
 {
         for (; *str; ++str) {
                 if (strncmp(str, "isolate", 7) == 0)
-                        amd_iommu_isolate = 1;
+                        amd_iommu_isolate = true;
                 if (strncmp(str, "share", 5) == 0)
-                        amd_iommu_isolate = 0;
+                        amd_iommu_isolate = false;
                 if (strncmp(str, "fullflush", 9) == 0)
                         amd_iommu_unmap_flush = true;
         }