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path: root/drivers/char/agp/hp-agp.c
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Diffstat (limited to 'drivers/char/agp/hp-agp.c')
-rw-r--r--drivers/char/agp/hp-agp.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/char/agp/hp-agp.c b/drivers/char/agp/hp-agp.c
index 313a133a117..cbb0444467b 100644
--- a/drivers/char/agp/hp-agp.c
+++ b/drivers/char/agp/hp-agp.c
@@ -14,15 +14,12 @@
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/agp_backend.h>
+#include <linux/log2.h>
#include <asm/acpi-ext.h>
#include "agp.h"
-#ifndef log2
-#define log2(x) ffz(~(x))
-#endif
-
#define HP_ZX1_IOC_OFFSET 0x1000 /* ACPI reports SBA, we want IOC */
/* HP ZX1 IOC registers */
@@ -257,7 +254,7 @@ hp_zx1_configure (void)
readl(hp->ioc_regs+HP_ZX1_IMASK);
writel(hp->iova_base|1, hp->ioc_regs+HP_ZX1_IBASE);
readl(hp->ioc_regs+HP_ZX1_IBASE);
- writel(hp->iova_base|log2(HP_ZX1_IOVA_SIZE), hp->ioc_regs+HP_ZX1_PCOM);
+ writel(hp->iova_base|ilog2(HP_ZX1_IOVA_SIZE), hp->ioc_regs+HP_ZX1_PCOM);
readl(hp->ioc_regs+HP_ZX1_PCOM);
}
@@ -285,7 +282,7 @@ hp_zx1_tlbflush (struct agp_memory *mem)
{
struct _hp_private *hp = &hp_private;
- writeq(hp->gart_base | log2(hp->gart_size), hp->ioc_regs+HP_ZX1_PCOM);
+ writeq(hp->gart_base | ilog2(hp->gart_size), hp->ioc_regs+HP_ZX1_PCOM);
readq(hp->ioc_regs+HP_ZX1_PCOM);
}