[POWERPC] video & agp: Constify & voidify get_property()

Now that get_property() returns a void *, there's no need to cast its
return value. Also, treat the return value as const, so we can
constify get_property later.

powerpc-specific video & agp driver changes.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

3 files changed, 12 insertions, 12 deletions

diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c
index 51b78f8de94..60c37add257 100644
--- a/drivers/video/aty/radeon_base.c
+++ b/drivers/video/aty/radeon_base.c
@@ -412,11 +412,11 @@ static int  __devinit radeon_find_mem_vbios(struct radeonfb_info *rinfo)
 static int __devinit radeon_read_xtal_OF (struct radeonfb_info *rinfo)
 {
 	struct device_node *dp = rinfo->of_node;
-	u32 *val;
+	const u32 *val;
 
 	if (dp == NULL)
 		return -ENODEV;
-	val = (u32 *) get_property(dp, "ATY,RefCLK", NULL);
+	val = get_property(dp, "ATY,RefCLK", NULL);
 	if (!val || !*val) {
 		printk(KERN_WARNING "radeonfb: No ATY,RefCLK property !\n");
 		return -EINVAL;
@@ -424,11 +424,11 @@ static int __devinit radeon_read_xtal_OF (struct radeonfb_info *rinfo)
 
 	rinfo->pll.ref_clk = (*val) / 10;
 
-	val = (u32 *) get_property(dp, "ATY,SCLK", NULL);
+	val = get_property(dp, "ATY,SCLK", NULL);
 	if (val && *val)
 		rinfo->pll.sclk = (*val) / 10;
 
-	val = (u32 *) get_property(dp, "ATY,MCLK", NULL);
+	val = get_property(dp, "ATY,MCLK", NULL);
 	if (val && *val)
 		rinfo->pll.mclk = (*val) / 10;
 
diff --git a/drivers/video/aty/radeon_monitor.c b/drivers/video/aty/radeon_monitor.c
index 98c05bc0de4..ea531a6f45d 100644
--- a/drivers/video/aty/radeon_monitor.c
+++ b/drivers/video/aty/radeon_monitor.c
@@ -64,13 +64,13 @@ static int __devinit radeon_parse_montype_prop(struct device_node *dp, u8 **out_
 {
         static char *propnames[] = { "DFP,EDID", "LCD,EDID", "EDID",
 				     "EDID1", "EDID2",  NULL };
-	u8 *pedid = NULL;
-	u8 *pmt = NULL;
+	const u8 *pedid = NULL;
+	const u8 *pmt = NULL;
 	u8 *tmp;
         int i, mt = MT_NONE;  
 	
 	RTRACE("analyzing OF properties...\n");
-	pmt = (u8 *)get_property(dp, "display-type", NULL);
+	pmt = get_property(dp, "display-type", NULL);
 	if (!pmt)
 		return MT_NONE;
 	RTRACE("display-type: %s\n", pmt);
@@ -89,7 +89,7 @@ static int __devinit radeon_parse_montype_prop(struct device_node *dp, u8 **out_
 	}
 
 	for (i = 0; propnames[i] != NULL; ++i) {
-		pedid = (u8 *)get_property(dp, propnames[i], NULL);
+		pedid = get_property(dp, propnames[i], NULL);
 		if (pedid != NULL)
 			break;
 	}
@@ -124,14 +124,14 @@ static int __devinit radeon_probe_OF_head(struct radeonfb_info *rinfo, int head_
 		return MT_NONE;
 
 	if (rinfo->has_CRTC2) {
-		char *pname;
+		const char *pname;
 		int len, second = 0;
 
 		dp = dp->child;
 		do {
 			if (!dp)
 				return MT_NONE;
-			pname = (char *)get_property(dp, "name", NULL);
+			pname = get_property(dp, "name", NULL);
 			if (!pname)
 				return MT_NONE;
 			len = strlen(pname);
diff --git a/drivers/video/aty/radeon_pm.c b/drivers/video/aty/radeon_pm.c
index c7091761cef..b9b9396d3bd 100644
--- a/drivers/video/aty/radeon_pm.c
+++ b/drivers/video/aty/radeon_pm.c
@@ -1167,7 +1167,7 @@ static void radeon_pm_full_reset_sdram(struct radeonfb_info *rinfo)
 			  0x21320032, 0xa1320032, 0x21320032, 0xffffffff,
 			  0x31320032 };
 
-		u32 *mrtable = default_mrtable;
+		const u32 *mrtable = default_mrtable;
 		int i, mrtable_size = ARRAY_SIZE(default_mrtable);
 
 		mdelay(30);
@@ -1186,7 +1186,7 @@ static void radeon_pm_full_reset_sdram(struct radeonfb_info *rinfo)
 		if (rinfo->of_node != NULL) {
 			int size;
 
-			mrtable = (u32 *)get_property(rinfo->of_node, "ATY,MRT", &size);
+			mrtable = get_property(rinfo->of_node, "ATY,MRT", &size);
 			if (mrtable)
 				mrtable_size = size >> 2;
 			else