1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index e799fcca365a..d9d7d3c4cae2 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -75,6 +75,7 @@
 #include "ati_ids.h"
 
 #ifdef __powerpc__
+#include <asm/machdep.h>
 #include <asm/prom.h>
 #include "../macmodes.h"
 #endif
@@ -2518,7 +2519,7 @@ static int __init aty_init(struct fb_info *info, const char *name)
 
         memset(&var, 0, sizeof(var));
 #ifdef CONFIG_PPC
-        if (_machine == _MACH_Pmac) {
+        if (machine_is(powermac)) {
                 /*
                  *  FIXME: The NVRAM stuff should be put in a Mac-specific file, as it
                  *         applies to all Mac video cards
@@ -2673,7 +2674,7 @@ static int atyfb_blank(int blank, struct fb_info *info)
                 return 0;
 
 #ifdef CONFIG_PMAC_BACKLIGHT
-        if ((_machine == _MACH_Pmac) && blank > FB_BLANK_NORMAL)
+        if (machine_is(powermac) && blank > FB_BLANK_NORMAL)
                 set_backlight_enable(0);
 #elif defined(CONFIG_FB_ATY_GENERIC_LCD)
         if (par->lcd_table && blank > FB_BLANK_NORMAL &&
@@ -2705,7 +2706,7 @@ static int atyfb_blank(int blank, struct fb_info *info)
         aty_st_le32(CRTC_GEN_CNTL, gen_cntl, par);
 
 #ifdef CONFIG_PMAC_BACKLIGHT
-        if ((_machine == _MACH_Pmac) && blank <= FB_BLANK_NORMAL)
+        if (machine_is(powermac) && blank <= FB_BLANK_NORMAL)
                 set_backlight_enable(1);
 #elif defined(CONFIG_FB_ATY_GENERIC_LCD)
         if (par->lcd_table && blank <= FB_BLANK_NORMAL &&
@@ -3399,7 +3400,7 @@ static int __devinit atyfb_pci_probe(struct pci_dev *pdev, const struct pci_devi
         struct atyfb_par *par;
         int i, rc = -ENOMEM;
 
-        for (i = ARRAY_SIZE(aty_chips); i >= 0; i--)
+        for (i = ARRAY_SIZE(aty_chips) - 1; i >= 0; i--)
                 if (pdev->device == aty_chips[i].pci_id)
                         break;