x86/iommu: convert GART need_flush to bool

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
index aa569db73a2a9bf5147a86f68565c32cec1dfd28..aecea068f58381c40dea70855be2ec4424d1856d 100644 (file)
--- a/arch/x86/kernel/pci-gart_64.c
+++ b/arch/x86/kernel/pci-gart_64.c
@@ -80,7 +80,7 @@ AGPEXTERN int agp_memory_reserved;
 AGPEXTERN __u32 *agp_gatt_table;
 
 static unsigned long next_bit;  /* protected by iommu_bitmap_lock */
-static int need_flush;         /* global flush state. set for each gart wrap */
+static bool need_flush;                /* global flush state. set for each gart wrap */
 
 static unsigned long alloc_iommu(struct device *dev, int size,
                                 unsigned long align_mask)
@@ -98,7 +98,7 @@ static unsigned long alloc_iommu(struct device *dev, int size,
        offset = iommu_area_alloc(iommu_gart_bitmap, iommu_pages, next_bit,
                                  size, base_index, boundary_size, align_mask);
        if (offset == -1) {
-               need_flush = 1;
+               need_flush = true;
                offset = iommu_area_alloc(iommu_gart_bitmap, iommu_pages, 0,
                                          size, base_index, boundary_size,
                                          align_mask);
@@ -107,11 +107,11 @@ static unsigned long alloc_iommu(struct device *dev, int size,
                next_bit = offset+size;
                if (next_bit >= iommu_pages) {
                        next_bit = 0;
-                       need_flush = 1;
+                       need_flush = true;
                }
        }
        if (iommu_fullflush)
-               need_flush = 1;
+               need_flush = true;
        spin_unlock_irqrestore(&iommu_bitmap_lock, flags);
 
        return offset;
@@ -136,7 +136,7 @@ static void flush_gart(void)
        spin_lock_irqsave(&iommu_bitmap_lock, flags);
        if (need_flush) {
                k8_flush_garts();
-               need_flush = 0;
+               need_flush = false;
        }
        spin_unlock_irqrestore(&iommu_bitmap_lock, flags);
 }