Author: jhibbits
Date: Tue Aug 21 23:55:29 2012
New Revision: 239548
URL: http://svn.freebsd.org/changeset/base/239548
Log:
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.
Reported by: jchandra@
MFC after: 3 days
Modified:
head/sys/powerpc/powermac/atibl.c
head/sys/powerpc/powermac/nvbl.c
Modified: head/sys/powerpc/powermac/atibl.c
==============================================================================
--- head/sys/powerpc/powermac/atibl.c Tue Aug 21 23:44:47 2012
(r239547)
+++ head/sys/powerpc/powermac/atibl.c Tue Aug 21 23:55:29 2012
(r239548)
@@ -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: head/sys/powerpc/powermac/nvbl.c
==============================================================================
--- head/sys/powerpc/powermac/nvbl.c Tue Aug 21 23:44:47 2012
(r239547)
+++ head/sys/powerpc/powermac/nvbl.c Tue Aug 21 23:55:29 2012
(r239548)
@@ -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)
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