[VIDEO]: Do not prom_halt() in cg3 and bw2 device probe.

Just give a normal kernel log message of the problem and
return failure.

Based upon a patch from Mark Fortescue.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 13 insertions, 9 deletions

diff --git a/drivers/video/bw2.c b/drivers/video/bw2.c
index 718b9f83736e..833b10c84064 100644
--- a/drivers/video/bw2.c
+++ b/drivers/video/bw2.c
@@ -233,9 +233,9 @@ static u8 bw2regs_66hz[] __devinitdata = {
         0x10, 0x20,     0
 };
 
-static void __devinit bw2_do_default_mode(struct bw2_par *par,
-                                          struct fb_info *info,
-                                          int *linebytes)
+static int __devinit bw2_do_default_mode(struct bw2_par *par,
+                                         struct fb_info *info,
+                                         int *linebytes)
 {
         u8 status, mon;
         u8 *p;
@@ -266,17 +266,18 @@ static void __devinit bw2_do_default_mode(struct bw2_par *par,
                 break;
 
         case BWTWO_SR_ID_NOCONN:
-                return;
+                return 0;
 
         default:
-                prom_printf("bw2: can't handle SR %02x\n",
-                            status);
-                prom_halt();
+                printk(KERN_ERR "bw2: can't handle SR %02x\n",
+                       status);
+                return -EINVAL;
         }
         for ( ; *p; p += 2) {
                 u8 __iomem *regp = &((u8 __iomem *)par->regs)[p[0]];
                 sbus_writeb(p[1], regp);
         }
+        return 0;
 }
 
 static int __devinit bw2_probe(struct of_device *op, const struct of_device_id *match)
@@ -312,8 +313,11 @@ static int __devinit bw2_probe(struct of_device *op, const struct of_device_id *
         if (!par->regs)
                 goto out_release_fb;
 
-        if (!of_find_property(dp, "width", NULL))
-                bw2_do_default_mode(par, info, &linebytes);
+        if (!of_find_property(dp, "width", NULL)) {
+                err = bw2_do_default_mode(par, info, &linebytes);
+                if (err)
+                        goto out_unmap_regs;
+        }
 
         par->fbsize = PAGE_ALIGN(linebytes * info->var.yres);