svn commit: r239929 - stable/9/sys/powerpc/powermac

[Justin Hibbits]

Author: jhibbits
Date: Thu Aug 30 23:54:49 2012
New Revision: 239929
URL: http://svn.freebsd.org/changeset/base/239929

Log:
  MFC r239548:
  
  phandle_t is unsigned, and OF_finddevice() returns (phandle_t)(-1) on
  failure, so check for that instead of 0.
  
  While here, provide a better description for ATI backlight driver.

Modified:
  stable/9/sys/powerpc/powermac/atibl.c
  stable/9/sys/powerpc/powermac/nvbl.c
Directory Properties:
  stable/9/sys/   (props changed)

Modified: stable/9/sys/powerpc/powermac/atibl.c
==============================================================================
--- stable/9/sys/powerpc/powermac/atibl.c	Thu Aug 30 23:50:11 2012	(r239928)
+++ stable/9/sys/powerpc/powermac/atibl.c	Thu Aug 30 23:54:49 2012	(r239929)
@@ -98,7 +98,7 @@ atibl_probe(device_t dev)
 
 	handle = OF_finddevice("mac-io/backlight");
 
-	if (handle <= 0)
+	if (handle == -1)
 		return (ENXIO);
 
 	if (OF_getprop(handle, "backlight-control", &control, sizeof(control)) < 0)
@@ -107,7 +107,7 @@ atibl_probe(device_t dev)
 	if (strcmp(control, "ati") != 0)
 		return (ENXIO);
 
-	device_set_desc(dev, "PowerBook backlight");
+	device_set_desc(dev, "PowerBook backlight for ATI graphics");
 
 	return (0);
 }

Modified: stable/9/sys/powerpc/powermac/nvbl.c
==============================================================================
--- stable/9/sys/powerpc/powermac/nvbl.c	Thu Aug 30 23:50:11 2012	(r239928)
+++ stable/9/sys/powerpc/powermac/nvbl.c	Thu Aug 30 23:54:49 2012	(r239929)
@@ -94,7 +94,7 @@ nvbl_probe(device_t dev)
 
 	handle = OF_finddevice("mac-io/backlight");
 
-	if (handle <= 0)
+	if (handle == -1)
 		return (ENXIO);
 
 	if (OF_getprop(handle, "backlight-control", &control, sizeof(control)) < 0)