Author: jhibbits
Date: Sat Aug 31 16:31:48 2013
New Revision: 255100
URL: http://svnweb.freebsd.org/changeset/base/255100
Log:
Only add the backlight device if it actually exists in OF.
MFC after: 1 week
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 Sat Aug 31 16:30:20 2013
(r255099)
+++ head/sys/powerpc/powermac/atibl.c Sat Aug 31 16:31:48 2013
(r255100)
@@ -86,6 +86,8 @@ DRIVER_MODULE(atibl, vgapci, atibl_drive
static void
atibl_identify(driver_t *driver, device_t parent)
{
+ if (OF_finddevice("mac-io/backlight") == -1)
+ return;
if (device_find_child(parent, "backlight", -1) == NULL)
device_add_child(parent, "backlight", -1);
}
Modified: head/sys/powerpc/powermac/nvbl.c
==============================================================================
--- head/sys/powerpc/powermac/nvbl.c Sat Aug 31 16:30:20 2013
(r255099)
+++ head/sys/powerpc/powermac/nvbl.c Sat Aug 31 16:31:48 2013
(r255100)
@@ -82,6 +82,8 @@ DRIVER_MODULE(nvbl, vgapci, nvbl_driver,
static void
nvbl_identify(driver_t *driver, device_t parent)
{
+ if (OF_finddevice("mac-io/backlight") == -1)
+ return;
if (device_find_child(parent, "backlight", -1) == NULL)
device_add_child(parent, "backlight", -1);
}
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