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Make ofw_bus_get_node() consistently return -1 when there is no associated

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OF node, instead of a random mixture of 0 and -1. Update all checks for 0
to check for -1 instead.

MFC after:	4 weeks
This commit is contained in:
Nathan Whitehorn 2012-03-15 22:53:39 +00:00
parent cd907a68aa
commit 0d8d9edaaa
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=233018
7 changed files with 7 additions and 7 deletions
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2
sys/dev/ofw/ofw_bus_if.m
View File

@ -89,7 +89,7 @@ CODE {
ofw_bus_default_get_node(device_t bus, device_t dev)
{
return (0);
return (-1);
}
static const char *

2
sys/dev/ofw/ofw_bus_subr.c
View File

@ -157,7 +157,7 @@ ofw_bus_is_compatible(device_t dev, const char *onecompat)
if ((compat = ofw_bus_get_compat(dev)) == NULL)
return (0);
if ((node = ofw_bus_get_node(dev)) == 0)
if ((node = ofw_bus_get_node(dev)) == -1)
return (0);
/* Get total 'compatible' prop len */

2
sys/dev/ofw/ofw_iicbus.c
View File

@ -88,7 +88,7 @@ static int
ofw_iicbus_probe(device_t dev)
{
if (ofw_bus_get_node(dev) == 0)
if (ofw_bus_get_node(dev) == -1)
return (ENXIO);
device_set_desc(dev, "OFW I2C bus");

2
sys/dev/pcf/pcf_ebus.c
View File

@ -147,7 +147,7 @@ pcf_ebus_attach(device_t dev)
mtx_init(&sc->pcf_lock, device_get_nameunit(dev), "pcf", MTX_DEF);
/* get OFW node of the pcf */
if ((node = ofw_bus_get_node(dev)) <= 0) {
if ((node = ofw_bus_get_node(dev)) == -1) {
device_printf(dev, "cannot get OFW node\n");
goto error;
}

2
sys/powerpc/ofw/ofw_pcib_pci.c
View File

@ -93,7 +93,7 @@ ofw_pcib_pci_probe(device_t dev)
return (ENXIO);
}
if (ofw_bus_get_node(dev) == 0)
if (ofw_bus_get_node(dev) == -1)
return (ENXIO);
device_set_desc(dev, "OFW PCI-PCI bridge");

2
sys/powerpc/ofw/ofw_pcibus.c
View File

@ -105,7 +105,7 @@ static int
ofw_pcibus_probe(device_t dev)
{
if (ofw_bus_get_node(dev) == 0)
if (ofw_bus_get_node(dev) == -1)
return (ENXIO);
device_set_desc(dev, "OFW PCI bus");

2
sys/sparc64/pci/ofw_pcibus.c
View File

@ -111,7 +111,7 @@ static int
ofw_pcibus_probe(device_t dev)
{
if (ofw_bus_get_node(dev) == 0)
if (ofw_bus_get_node(dev) == -1)
return (ENXIO);
device_set_desc(dev, "OFW PCI bus");