* [PATCH 3/5] [POWERPC] Remove old interface find_path_device
2007-04-24 3:48 ` [PATCH 1/5] [POWERPC] Remove find_compatible_devices Stephen Rothwell
2007-04-24 3:49 ` [PATCH 2/5] [POWERPC] remove find_all_nodes Stephen Rothwell
@ 2007-04-24 3:50 ` Stephen Rothwell
2007-04-24 3:51 ` [PATCH 4/5] [POWERPC] Remove old interface find_type_devices Stephen Rothwell
2007-04-24 3:53 ` [PATCH 5/5] [POWERPC] Remove old interface find_devices Stephen Rothwell
3 siblings, 0 replies; 6+ messages in thread
From: Stephen Rothwell @ 2007-04-24 3:50 UTC (permalink / raw)
To: paulus; +Cc: ppc-dev
Replaced by of_find_node_by_path.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
---
arch/powerpc/kernel/lparcfg.c | 6 +++-
arch/powerpc/kernel/pci_32.c | 17 ++++++++++----
arch/powerpc/kernel/prom.c | 14 ------------
arch/powerpc/kernel/rtas.c | 3 +-
arch/powerpc/kernel/sysfs.c | 3 +-
arch/powerpc/platforms/chrp/pci.c | 7 +++--
arch/powerpc/platforms/chrp/setup.c | 9 +++++--
arch/powerpc/platforms/powermac/feature.c | 34 +++++++++++++++++++---------
drivers/char/briq_panel.c | 7 ++++-
drivers/scsi/ibmvscsi/ibmvstgt.c | 3 +-
drivers/scsi/ibmvscsi/rpa_vscsi.c | 3 +-
include/asm-powerpc/prom.h | 1 -
12 files changed, 62 insertions(+), 45 deletions(-)
--
Cheers,
Stephen Rothwell sfr@canb.auug.org.au
diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c
index b8dc1ee..fc1f7a9 100644
--- a/arch/powerpc/kernel/lparcfg.c
+++ b/arch/powerpc/kernel/lparcfg.c
@@ -321,7 +321,7 @@ static int pseries_lparcfg_data(struct seq_file *m, void *v)
struct device_node *rtas_node;
const int *lrdrp = NULL;
- rtas_node = find_path_device("/rtas");
+ rtas_node = of_find_node_by_path("/rtas");
if (rtas_node)
lrdrp = of_get_property(rtas_node, "ibm,lrdr-capacity", NULL);
@@ -330,6 +330,7 @@ static int pseries_lparcfg_data(struct seq_file *m, void *v)
} else {
partition_potential_processors = *(lrdrp + 4);
}
+ of_node_put(rtas_node);
partition_active_processors = lparcfg_count_active_processors();
@@ -537,7 +538,7 @@ static int lparcfg_data(struct seq_file *m, void *v)
seq_printf(m, "%s %s \n", MODULE_NAME, MODULE_VERS);
- rootdn = find_path_device("/");
+ rootdn = of_find_node_by_path("/");
if (rootdn) {
tmp = of_get_property(rootdn, "model", NULL);
if (tmp) {
@@ -557,6 +558,7 @@ static int lparcfg_data(struct seq_file *m, void *v)
NULL);
if (lp_index_ptr)
lp_index = *lp_index_ptr;
+ of_node_put(rootdn);
}
seq_printf(m, "serial_number=%s\n", system_id);
seq_printf(m, "system_type=%s\n", model);
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index ae04f94..5b05a09 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -669,6 +669,7 @@ pcibios_make_OF_bus_map(void)
int i;
struct pci_controller* hose;
struct property *map_prop;
+ struct device_node *dn;
pci_to_OF_bus_map = kmalloc(pci_bus_count, GFP_KERNEL);
if (!pci_to_OF_bus_map) {
@@ -690,12 +691,13 @@ pcibios_make_OF_bus_map(void)
continue;
make_one_node_map(node, hose->first_busno);
}
- map_prop = of_find_property(find_path_device("/"),
- "pci-OF-bus-map", NULL);
+ dn = of_find_node_by_path("/");
+ map_prop = of_find_property(dn, "pci-OF-bus-map", NULL);
if (map_prop) {
BUG_ON(pci_bus_count > map_prop->length);
memcpy(map_prop->value, pci_to_OF_bus_map, pci_bus_count);
}
+ of_node_put(dn);
#ifdef DEBUG
printk("PCI->OF bus map:\n");
for (i=0; i<pci_bus_count; i++) {
@@ -1006,14 +1008,19 @@ void __init
pci_create_OF_bus_map(void)
{
struct property* of_prop;
-
+ struct device_node *dn;
+
of_prop = (struct property*) alloc_bootmem(sizeof(struct property) + 256);
- if (of_prop && find_path_device("/")) {
+ if (!of_prop)
+ return;
+ dn = of_find_node_by_path("/");
+ if (dn) {
memset(of_prop, -1, sizeof(struct property) + 256);
of_prop->name = "pci-OF-bus-map";
of_prop->length = 256;
of_prop->value = &of_prop[1];
- prom_add_property(find_path_device("/"), of_prop);
+ prom_add_property(dn, of_prop);
+ of_node_put(dn);
}
}
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 911ec77..17c41fe 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -1153,20 +1153,6 @@ int machine_is_compatible(const char *compat)
}
EXPORT_SYMBOL(machine_is_compatible);
-/**
- * Find the device_node with a given full_name.
- */
-struct device_node *find_path_device(const char *path)
-{
- struct device_node *np;
-
- for (np = allnodes; np != 0; np = np->allnext)
- if (np->full_name != 0 && strcasecmp(np->full_name, path) == 0)
- return np;
- return NULL;
-}
-EXPORT_SYMBOL(find_path_device);
-
/*******
*
* New implementation of the OF "find" APIs, return a refcounted
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 702fecc..2147807 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -192,7 +192,7 @@ void rtas_progress(char *s, unsigned short hex)
if (display_width == 0) {
display_width = 0x10;
- if ((root = find_path_device("/rtas"))) {
+ if ((root = of_find_node_by_path("/rtas"))) {
if ((p = of_get_property(root,
"ibm,display-line-length", NULL)))
display_width = *p;
@@ -204,6 +204,7 @@ void rtas_progress(char *s, unsigned short hex)
display_lines = *p;
row_width = of_get_property(root,
"ibm,display-truncation-length", NULL);
+ of_node_put(root);
}
display_character = rtas_token("display-character");
set_indicator = rtas_token("set-indicator");
diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index 476f1d5..fe329d6 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/arch/powerpc/kernel/sysfs.c
@@ -66,7 +66,7 @@ static int __init smt_setup(void)
if (!cpu_has_feature(CPU_FTR_SMT))
return -ENODEV;
- options = find_path_device("/options");
+ options = of_find_node_by_path("/options");
if (!options)
return -ENODEV;
@@ -76,6 +76,7 @@ static int __init smt_setup(void)
per_cpu(smt_snooze_delay, cpu) = *val;
}
+ of_node_put(options);
return 0;
}
__initcall(smt_setup);
diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c
index b23e397..de776e3 100644
--- a/arch/powerpc/platforms/chrp/pci.c
+++ b/arch/powerpc/platforms/chrp/pci.c
@@ -185,10 +185,9 @@ setup_python(struct pci_controller *hose, struct device_node *dev)
/* Marvell Discovery II based Pegasos 2 */
static void __init setup_peg2(struct pci_controller *hose, struct device_node *dev)
{
- struct device_node *root = find_path_device("/");
+ struct device_node *root = of_find_node_by_path("/");
struct device_node *rtas;
- of_node_get(root);
rtas = of_find_node_by_name (root, "rtas");
if (rtas) {
hose->ops = &rtas_pci_ops;
@@ -198,6 +197,7 @@ static void __init setup_peg2(struct pci_controller *hose, struct device_node *d
" your firmware\n");
}
pci_assign_all_buses = 1;
+ /* keep the reference to the root node */
}
void __init
@@ -210,7 +210,7 @@ chrp_find_bridges(void)
const unsigned int *dma;
const char *model, *machine;
int is_longtrail = 0, is_mot = 0, is_pegasos = 0;
- struct device_node *root = find_path_device("/");
+ struct device_node *root = of_find_node_by_path("/");
struct resource r;
/*
* The PCI host bridge nodes on some machines don't have
@@ -309,6 +309,7 @@ chrp_find_bridges(void)
printk("pci_dram_offset = %lx\n", pci_dram_offset);
}
}
+ of_node_put(root);
}
/* SL82C105 IDE Control/Status Register */
diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c
index 05d1bc0..e46c4d4 100644
--- a/arch/powerpc/platforms/chrp/setup.c
+++ b/arch/powerpc/platforms/chrp/setup.c
@@ -110,7 +110,7 @@ void chrp_show_cpuinfo(struct seq_file *m)
struct device_node *root;
const char *model = "";
- root = find_path_device("/");
+ root = of_find_node_by_path("/");
if (root)
model = of_get_property(root, "model", NULL);
seq_printf(m, "machine\t\t: CHRP %s\n", model);
@@ -160,6 +160,7 @@ void chrp_show_cpuinfo(struct seq_file *m)
gg2_cachetypes[(t>>2) & 3],
gg2_cachemodes[t & 3]);
}
+ of_node_put(root);
}
/*
@@ -204,7 +205,7 @@ static void __init sio_init(void)
{
struct device_node *root;
- if ((root = find_path_device("/")) &&
+ if ((root = of_find_node_by_path("/")) &&
!strncmp(of_get_property(root, "model", NULL),
"IBM,LongTrail", 13)) {
/* logical device 0 (KBC/Keyboard) */
@@ -212,6 +213,7 @@ static void __init sio_init(void)
/* select logical device 1 (KBC/Mouse) */
sio_fixup_irq("mouse", 1, 12, 2);
}
+ of_node_put(root);
}
@@ -250,7 +252,7 @@ static void briq_restart(char *cmd)
void __init chrp_setup_arch(void)
{
- struct device_node *root = find_path_device ("/");
+ struct device_node *root = of_find_node_by_path("/");
const char *machine = NULL;
/* init to some ~sane value until calibrate_delay() runs */
@@ -273,6 +275,7 @@ void __init chrp_setup_arch(void)
/* Let's assume it is an IBM chrp if all else fails */
_chrp_type = _CHRP_IBM;
}
+ of_node_put(root);
printk("chrp type = %x [%s]\n", _chrp_type, chrp_names[_chrp_type]);
rtas_initialize();
diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c
index 103fcc4..44f8550 100644
--- a/arch/powerpc/platforms/powermac/feature.c
+++ b/arch/powerpc/platforms/powermac/feature.c
@@ -1044,6 +1044,7 @@ core99_reset_cpu(struct device_node *node, long param, long value)
unsigned long flags;
struct macio_chip *macio;
struct device_node *np;
+ struct device_node *cpus;
const int dflt_reset_lines[] = { KL_GPIO_RESET_CPU0,
KL_GPIO_RESET_CPU1,
KL_GPIO_RESET_CPU2,
@@ -1053,10 +1054,10 @@ core99_reset_cpu(struct device_node *node, long param, long value)
if (macio->type != macio_keylargo)
return -ENODEV;
- np = find_path_device("/cpus");
- if (np == NULL)
+ cpus = of_find_node_by_path("/cpus");
+ if (cpus == NULL)
return -ENODEV;
- for (np = np->child; np != NULL; np = np->sibling) {
+ for (np = cpus->child; np != NULL; np = np->sibling) {
const u32 *num = of_get_property(np, "reg", NULL);
const u32 *rst = of_get_property(np, "soft-reset", NULL);
if (num == NULL || rst == NULL)
@@ -1066,6 +1067,7 @@ core99_reset_cpu(struct device_node *node, long param, long value)
break;
}
}
+ of_node_put(cpus);
if (np == NULL || reset_io == 0)
reset_io = dflt_reset_lines[param];
@@ -1497,15 +1499,16 @@ static long g5_reset_cpu(struct device_node *node, long param, long value)
unsigned long flags;
struct macio_chip *macio;
struct device_node *np;
+ struct device_node *cpus;
macio = &macio_chips[0];
if (macio->type != macio_keylargo2 && macio->type != macio_shasta)
return -ENODEV;
- np = find_path_device("/cpus");
- if (np == NULL)
+ cpus = of_find_node_by_path("/cpus");
+ if (cpus == NULL)
return -ENODEV;
- for (np = np->child; np != NULL; np = np->sibling) {
+ for (np = cpus->child; np != NULL; np = np->sibling) {
const u32 *num = of_get_property(np, "reg", NULL);
const u32 *rst = of_get_property(np, "soft-reset", NULL);
if (num == NULL || rst == NULL)
@@ -1515,6 +1518,7 @@ static long g5_reset_cpu(struct device_node *node, long param, long value)
break;
}
}
+ of_node_put(cpus);
if (np == NULL || reset_io == 0)
return -ENODEV;
@@ -2499,18 +2503,26 @@ found:
* that all Apple OF revs did it properly, I do it the paranoid way.
*/
while (uninorth_base && uninorth_rev > 3) {
- struct device_node *np = find_path_device("/cpus");
- if (!np || !np->child) {
+ struct device_node *cpus = of_find_node_by_path("/cpus");
+ struct device_node *np;
+
+ if (!cpus || !cpus->child) {
printk(KERN_WARNING "Can't find CPU(s) in device tree !\n");
+ of_node_put(cpus);
break;
}
- np = np->child;
+ np = cpus->child;
/* Nap mode not supported on SMP */
- if (np->sibling)
+ if (np->sibling) {
+ of_node_put(cpus);
break;
+ }
/* Nap mode not supported if flush-on-lock property is present */
- if (of_get_property(np, "flush-on-lock", NULL))
+ if (of_get_property(np, "flush-on-lock", NULL)) {
+ of_node_put(cpus);
break;
+ }
+ of_node_put(cpus);
powersave_nap = 1;
printk(KERN_DEBUG "Processor NAP mode on idle enabled.\n");
break;
diff --git a/drivers/char/briq_panel.c b/drivers/char/briq_panel.c
index 669965a..ed53f54 100644
--- a/drivers/char/briq_panel.c
+++ b/drivers/char/briq_panel.c
@@ -202,13 +202,16 @@ static struct miscdevice briq_panel_miscdev = {
static int __init briq_panel_init(void)
{
- struct device_node *root = find_path_device("/");
+ struct device_node *root = of_find_node_by_path("/");
const char *machine;
int i;
machine = of_get_property(root, "model", NULL);
- if (!machine || strncmp(machine, "TotalImpact,BRIQ-1", 18) != 0)
+ if (!machine || strncmp(machine, "TotalImpact,BRIQ-1", 18) != 0) {
+ of_node_put(root);
return -ENODEV;
+ }
+ of_node_put(root);
printk(KERN_INFO
"briq_panel: v%s Dr. Karsten Jeppesen (kj@totalimpact.com)\n",
diff --git a/drivers/scsi/ibmvscsi/ibmvstgt.c b/drivers/scsi/ibmvscsi/ibmvstgt.c
index 3fe831c..140dd97 100644
--- a/drivers/scsi/ibmvscsi/ibmvstgt.c
+++ b/drivers/scsi/ibmvscsi/ibmvstgt.c
@@ -899,7 +899,7 @@ static int get_system_info(void)
const char *id, *model, *name;
const unsigned int *num;
- rootdn = find_path_device("/");
+ rootdn = of_find_node_by_path("/");
if (!rootdn)
return -ENOENT;
@@ -916,6 +916,7 @@ static int get_system_info(void)
if (num)
partition_number = *num;
+ of_node_put(rootdn);
return 0;
}
diff --git a/drivers/scsi/ibmvscsi/rpa_vscsi.c b/drivers/scsi/ibmvscsi/rpa_vscsi.c
index 9bbb69c..d8700aa 100644
--- a/drivers/scsi/ibmvscsi/rpa_vscsi.c
+++ b/drivers/scsi/ibmvscsi/rpa_vscsi.c
@@ -157,7 +157,7 @@ static void gather_partition_info(void)
const unsigned int *p_number_ptr;
/* Retrieve information about this partition */
- rootdn = find_path_device("/");
+ rootdn = of_find_node_by_path("/");
if (!rootdn) {
return;
}
@@ -169,6 +169,7 @@ static void gather_partition_info(void)
p_number_ptr = of_get_property(rootdn, "ibm,partition-no", NULL);
if (p_number_ptr)
partition_number = *p_number_ptr;
+ of_node_put(rootdn);
}
static void set_adapter_info(struct ibmvscsi_host_data *hostdata)
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index 38f7c3e..7c510a7 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -114,7 +114,6 @@ static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_e
/* OBSOLETE: Old style node lookup */
extern struct device_node *find_devices(const char *name);
extern struct device_node *find_type_devices(const char *type);
-extern struct device_node *find_path_device(const char *path);
/* New style node lookup */
extern struct device_node *of_find_node_by_name(struct device_node *from,
--
1.5.1.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 5/5] [POWERPC] Remove old interface find_devices
2007-04-24 3:48 ` [PATCH 1/5] [POWERPC] Remove find_compatible_devices Stephen Rothwell
` (2 preceding siblings ...)
2007-04-24 3:51 ` [PATCH 4/5] [POWERPC] Remove old interface find_type_devices Stephen Rothwell
@ 2007-04-24 3:53 ` Stephen Rothwell
3 siblings, 0 replies; 6+ messages in thread
From: Stephen Rothwell @ 2007-04-24 3:53 UTC (permalink / raw)
To: paulus; +Cc: ppc-dev
Replace uses with of_find_node_by_name and for_each_node_by_name.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
---
arch/powerpc/kernel/prom.c | 19 ------
arch/powerpc/kernel/vio.c | 3 +-
arch/powerpc/platforms/chrp/pci.c | 6 +-
arch/powerpc/platforms/chrp/setup.c | 9 ++-
arch/powerpc/platforms/powermac/backlight.c | 7 ++-
arch/powerpc/platforms/powermac/feature.c | 45 +++++++------
arch/powerpc/platforms/powermac/pci.c | 23 ++++---
arch/powerpc/platforms/powermac/setup.c | 25 ++++++-
arch/powerpc/platforms/powermac/smp.c | 5 +-
drivers/macintosh/ans-lcd.c | 9 ++-
drivers/macintosh/via-pmu.c | 4 +-
drivers/media/video/planb.c | 5 +-
drivers/serial/pmac_zilog.c | 4 +-
drivers/video/controlfb.c | 16 +++--
include/asm-powerpc/prom.h | 3 -
sound/oss/dmasound/dmasound_awacs.c | 90 +++++++++++++++++---------
sound/oss/dmasound/tas_common.c | 5 +-
sound/ppc/pmac.c | 27 +++++---
sound/ppc/tumbler.c | 35 +++++++---
19 files changed, 206 insertions(+), 134 deletions(-)
--
Cheers,
Stephen Rothwell sfr@canb.auug.org.au
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 860c88b..caef555 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -1072,25 +1072,6 @@ int of_n_size_cells(struct device_node* np)
}
EXPORT_SYMBOL(of_n_size_cells);
-/**
- * Construct and return a list of the device_nodes with a given name.
- */
-struct device_node *find_devices(const char *name)
-{
- struct device_node *head, **prevp, *np;
-
- prevp = &head;
- for (np = allnodes; np != 0; np = np->allnext) {
- if (np->name != 0 && strcasecmp(np->name, name) == 0) {
- *prevp = np;
- prevp = &np->next;
- }
- }
- *prevp = NULL;
- return head;
-}
-EXPORT_SYMBOL(find_devices);
-
/** Checks if the given "compat" string matches one of the strings in
* the device's "compatible" property
*/
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index a09277a..9eaefac 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -308,7 +308,7 @@ static int __init vio_bus_init(void)
return err;
}
- node_vroot = find_devices("vdevice");
+ node_vroot = of_find_node_by_name(NULL, "vdevice");
if (node_vroot) {
struct device_node *of_node;
@@ -322,6 +322,7 @@ static int __init vio_bus_init(void)
__FUNCTION__, of_node);
vio_register_device_node(of_node);
}
+ of_node_put(node_vroot);
}
return 0;
diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c
index de776e3..1469d64 100644
--- a/arch/powerpc/platforms/chrp/pci.c
+++ b/arch/powerpc/platforms/chrp/pci.c
@@ -136,9 +136,11 @@ hydra_init(void)
struct device_node *np;
struct resource r;
- np = find_devices("mac-io");
- if (np == NULL || of_address_to_resource(np, 0, &r))
+ np = of_find_node_by_name(NULL, "mac-io");
+ if (np == NULL || of_address_to_resource(np, 0, &r)) {
+ of_node_put(np);
return 0;
+ }
Hydra = ioremap(r.start, r.end-r.start);
printk("Hydra Mac I/O at %llx\n", (unsigned long long)r.start);
printk("Hydra Feature_Control was %x",
diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c
index 9c1b231..1870038 100644
--- a/arch/powerpc/platforms/chrp/setup.c
+++ b/arch/powerpc/platforms/chrp/setup.c
@@ -468,7 +468,7 @@ static void __init chrp_find_8259(void)
* Also, Pegasos-type platforms don't have a proper node to start
* from anyway
*/
- for (np = find_devices("pci"); np != NULL; np = np->next) {
+ for_each_node_by_name(np, "pci") {
const unsigned int *addrp = of_get_property(np,
"8259-interrupt-acknowledge", NULL);
@@ -477,6 +477,7 @@ static void __init chrp_find_8259(void)
chrp_int_ack = addrp[of_n_addr_cells(np)-1];
break;
}
+ of_node_put(np);
if (np == NULL)
printk(KERN_WARNING "Cannot find PCI interrupt acknowledge"
" address, polling\n");
@@ -518,10 +519,11 @@ void __init chrp_init_IRQ(void)
#if defined(CONFIG_VT) && defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_XMON)
/* see if there is a keyboard in the device tree
with a parent of type "adb" */
- for (kbd = find_devices("keyboard"); kbd; kbd = kbd->next)
+ for_each_node_by_name(kbd, "keyboard")
if (kbd->parent && kbd->parent->type
&& strcmp(kbd->parent->type, "adb") == 0)
break;
+ of_node_put(kbd);
if (kbd)
setup_irq(HYDRA_INT_ADB_NMI, &xmon_irqaction);
#endif
@@ -547,7 +549,7 @@ chrp_init2(void)
/* Get the event scan rate for the rtas so we know how
* often it expects a heartbeat. -- Cort
*/
- device = find_devices("rtas");
+ device = of_find_node_by_name(NULL, "rtas");
if (device)
p = of_get_property(device, "rtas-event-scan-rate", NULL);
if (p && *p) {
@@ -576,6 +578,7 @@ chrp_init2(void)
printk("RTAS Event Scan Rate: %u (%lu jiffies)\n",
*p, interval);
}
+ of_node_put(device);
if (ppc_md.progress)
ppc_md.progress(" Have fun! ", 0x7777);
diff --git a/arch/powerpc/platforms/powermac/backlight.c b/arch/powerpc/platforms/powermac/backlight.c
index 0dc8a45..d679964 100644
--- a/arch/powerpc/platforms/powermac/backlight.c
+++ b/arch/powerpc/platforms/powermac/backlight.c
@@ -56,13 +56,16 @@ struct backlight_device *pmac_backlight;
int pmac_has_backlight_type(const char *type)
{
- struct device_node* bk_node = find_devices("backlight");
+ struct device_node* bk_node = of_find_node_by_name(NULL, "backlight");
if (bk_node) {
const char *prop = of_get_property(bk_node,
"backlight-control", NULL);
- if (prop && strncmp(prop, type, strlen(type)) == 0)
+ if (prop && strncmp(prop, type, strlen(type)) == 0) {
+ of_node_put(bk_node);
return 1;
+ }
+ of_node_put(bk_node);
}
return 0;
diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c
index 44f8550..52cfdd8 100644
--- a/arch/powerpc/platforms/powermac/feature.c
+++ b/arch/powerpc/platforms/powermac/feature.c
@@ -2408,12 +2408,13 @@ static int __init probe_motherboard(void)
struct macio_chip *macio = &macio_chips[0];
const char *model = NULL;
struct device_node *dt;
+ int ret = 0;
/* Lookup known motherboard type in device-tree. First try an
* exact match on the "model" property, then try a "compatible"
* match is none is found.
*/
- dt = find_devices("device-tree");
+ dt = of_find_node_by_name(NULL, "device-tree");
if (dt != NULL)
model = of_get_property(dt, "model", NULL);
for(i=0; model && i<(sizeof(pmac_mb_defs)/sizeof(struct pmac_mb_def)); i++) {
@@ -2478,15 +2479,18 @@ static int __init probe_motherboard(void)
break;
#endif /* CONFIG_POWER4 */
default:
- return -ENODEV;
+ ret = -ENODEV;
+ goto done;
}
found:
#ifndef CONFIG_POWER4
/* Fixup Hooper vs. Comet */
if (pmac_mb.model_id == PMAC_TYPE_HOOPER) {
u32 __iomem * mach_id_ptr = ioremap(0xf3000034, 4);
- if (!mach_id_ptr)
- return -ENODEV;
+ if (!mach_id_ptr) {
+ ret = -ENODEV;
+ goto done;
+ }
/* Here, I used to disable the media-bay on comet. It
* appears this is wrong, the floppy connector is actually
* a kind of media-bay and works with the current driver.
@@ -2544,7 +2548,9 @@ found:
printk(KERN_INFO "PowerMac motherboard: %s\n", pmac_mb.model_name);
- return 0;
+done:
+ of_node_put(dt);
+ return ret;
}
/* Initialize the Core99 UniNorth host bridge and memory controller
@@ -2747,12 +2753,14 @@ set_initial_features(void)
* differenciate them all and since that hack was there for a long
* time, I'll keep it around
*/
- if (macio_chips[0].type == macio_ohare && !find_devices("via-pmu")) {
- struct macio_chip *macio = &macio_chips[0];
- MACIO_OUT32(OHARE_FCR, STARMAX_FEATURES);
- } else if (macio_chips[0].type == macio_ohare) {
+ if (macio_chips[0].type == macio_ohare) {
struct macio_chip *macio = &macio_chips[0];
- MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE);
+ np = of_find_node_by_name(NULL, "via-pmu");
+ if (np)
+ MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE);
+ else
+ MACIO_OUT32(OHARE_FCR, STARMAX_FEATURES);
+ of_node_put(np);
} else if (macio_chips[1].type == macio_ohare) {
struct macio_chip *macio = &macio_chips[1];
MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE);
@@ -2845,14 +2853,13 @@ set_initial_features(void)
}
/* Switch airport off */
- np = find_devices("radio");
- while(np) {
+ for_each_node_by_name(np, "radio") {
if (np && np->parent == macio_chips[0].of_node) {
macio_chips[0].flags |= MACIO_FLAG_AIRPORT_ON;
core99_airport_enable(np, 0, 0);
}
- np = np->next;
}
+ of_node_put(np);
}
/* On all machines that support sound PM, switch sound off */
@@ -2872,16 +2879,12 @@ set_initial_features(void)
#endif /* CONFIG_POWER4 */
/* On all machines, switch modem & serial ports off */
- np = find_devices("ch-a");
- while(np) {
+ for_each_node_by_name(np, "ch-a")
initial_serial_shutdown(np);
- np = np->next;
- }
- np = find_devices("ch-b");
- while(np) {
+ of_node_put(np);
+ for_each_node_by_name(np, "ch-b")
initial_serial_shutdown(np);
- np = np->next;
- }
+ of_node_put(np);
}
void __init
diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c
index 092cef4..22c4ae4 100644
--- a/arch/powerpc/platforms/powermac/pci.c
+++ b/arch/powerpc/platforms/powermac/pci.c
@@ -622,13 +622,14 @@ static void __init init_p2pbridge(void)
/* XXX it would be better here to identify the specific
PCI-PCI bridge chip we have. */
- if ((p2pbridge = find_devices("pci-bridge")) == 0
+ p2pbridge = of_find_node_by_name(NULL, "pci-bridge");
+ if (p2pbridge == NULL
|| p2pbridge->parent == NULL
|| strcmp(p2pbridge->parent->name, "pci") != 0)
- return;
+ goto done;
if (pci_device_from_OF_node(p2pbridge, &bus, &devfn) < 0) {
DBG("Can't find PCI infos for PCI<->PCI bridge\n");
- return;
+ goto done;
}
/* Warning: At this point, we have not yet renumbered all busses.
* So we must use OF walking to find out hose
@@ -636,16 +637,18 @@ static void __init init_p2pbridge(void)
hose = pci_find_hose_for_OF_device(p2pbridge);
if (!hose) {
DBG("Can't find hose for PCI<->PCI bridge\n");
- return;
+ goto done;
}
if (early_read_config_word(hose, bus, devfn,
PCI_BRIDGE_CONTROL, &val) < 0) {
printk(KERN_ERR "init_p2pbridge: couldn't read bridge"
" control\n");
- return;
+ goto done;
}
val &= ~PCI_BRIDGE_CTL_MASTER_ABORT;
early_write_config_word(hose, bus, devfn, PCI_BRIDGE_CONTROL, val);
+done:
+ of_node_put(p2pbridge);
}
static void __init init_second_ohare(void)
@@ -1199,8 +1202,7 @@ void __init pmac_pcibios_after_init(void)
}
#endif /* CONFIG_BLK_DEV_IDE */
- nd = find_devices("firewire");
- while (nd) {
+ for_each_node_by_name(nd, "firewire") {
if (nd->parent && (device_is_compatible(nd, "pci106b,18") ||
device_is_compatible(nd, "pci106b,30") ||
device_is_compatible(nd, "pci11c1,5811"))
@@ -1208,15 +1210,14 @@ void __init pmac_pcibios_after_init(void)
pmac_call_feature(PMAC_FTR_1394_ENABLE, nd, 0, 0);
pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, nd, 0, 0);
}
- nd = nd->next;
}
- nd = find_devices("ethernet");
- while (nd) {
+ of_node_put(nd);
+ for_each_node_by_name(nd, "ethernet") {
if (nd->parent && device_is_compatible(nd, "gmac")
&& device_is_compatible(nd->parent, "uni-north"))
pmac_call_feature(PMAC_FTR_GMAC_ENABLE, nd, 0, 0);
- nd = nd->next;
}
+ of_node_put(nd);
}
#ifdef CONFIG_PPC32
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index ae37d3e..0444e07 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -193,8 +193,11 @@ static void pmac_show_cpuinfo(struct seq_file *m)
#ifndef CONFIG_ADB_CUDA
int find_via_cuda(void)
{
- if (!find_devices("via-cuda"))
+ struct device_node *dn = of_find_node_by_name(NULL, "via-cuda");
+
+ if (!dn)
return 0;
+ of_node_put(dn);
printk("WARNING ! Your machine is CUDA-based but your kernel\n");
printk(" wasn't compiled with CONFIG_ADB_CUDA option !\n");
return 0;
@@ -204,8 +207,11 @@ int find_via_cuda(void)
#ifndef CONFIG_ADB_PMU
int find_via_pmu(void)
{
- if (!find_devices("via-pmu"))
+ struct device_node *dn = of_find_node_by_name(NULL, "via-pmu");
+
+ if (!dn)
return 0;
+ of_node_put(dn);
printk("WARNING ! Your machine is PMU-based but your kernel\n");
printk(" wasn't compiled with CONFIG_ADB_PMU option !\n");
return 0;
@@ -225,6 +231,8 @@ static volatile u32 *sysctrl_regs;
static void __init ohare_init(void)
{
+ struct device_node *dn;
+
/* this area has the CPU identification register
and some registers used by smp boards */
sysctrl_regs = (volatile u32 *) ioremap(0xf8000000, 0x1000);
@@ -234,7 +242,9 @@ static void __init ohare_init(void)
* We assume that we have a PSX memory controller iff
* we have an ohare I/O controller.
*/
- if (find_devices("ohare") != NULL) {
+ dn = of_find_node_by_name(NULL, "ohare");
+ if (dn) {
+ of_node_put(dn);
if (((sysctrl_regs[2] >> 24) & 0xf) >= 3) {
if (sysctrl_regs[4] & 0x10)
sysctrl_regs[4] |= 0x04000020;
@@ -343,8 +353,15 @@ static void __init pmac_setup_arch(void)
#ifdef CONFIG_SMP
/* Check for Core99 */
- if (find_devices("uni-n") || find_devices("u3") || find_devices("u4"))
+ ic = of_find_node_by_name(NULL, "uni-n");
+ if (!ic)
+ ic = of_find_node_by_name(NULL, "u3");
+ if (!ic)
+ ic = of_find_node_by_name(NULL, "u4");
+ if (ic) {
+ of_node_put(ic);
smp_ops = &core99_smp_ops;
+ }
#ifdef CONFIG_PPC32
else
smp_ops = &psurge_smp_ops;
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index 20f3286..6f32c4e 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -264,6 +264,7 @@ static void __init psurge_quad_init(void)
static int __init smp_psurge_probe(void)
{
int i, ncpus;
+ struct device_node *dn;
/* We don't do SMP on the PPC601 -- paulus */
if (PVR_VER(mfspr(SPRN_PVR)) == 1)
@@ -279,8 +280,10 @@ static int __init smp_psurge_probe(void)
* in the hammerhead memory controller in the case of the
* dual-cpu powersurge board. -- paulus.
*/
- if (find_devices("hammerhead") == NULL)
+ dn = of_find_node_by_name(NULL, "hammerhead");
+ if (dn == NULL)
return 1;
+ of_node_put(dn);
hhead_base = ioremap(HAMMERHEAD_BASE, 0x800);
quad_base = ioremap(PSURGE_QUAD_REG_ADDR, 1024);
diff --git a/drivers/macintosh/ans-lcd.c b/drivers/macintosh/ans-lcd.c
index cdd5a0f..e54c4d9 100644
--- a/drivers/macintosh/ans-lcd.c
+++ b/drivers/macintosh/ans-lcd.c
@@ -145,11 +145,12 @@ anslcd_init(void)
int retval;
struct device_node* node;
- node = find_devices("lcd");
- if (!node || !node->parent)
- return -ENODEV;
- if (strcmp(node->parent->name, "gc"))
+ node = of_find_node_by_name(NULL, "lcd");
+ if (!node || !node->parent || strcmp(node->parent->name, "gc")) {
+ of_node_put(node);
return -ENODEV;
+ }
+ of_node_put(node);
anslcd_ptr = ioremap(ANSLCD_ADDR, 0x20);
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index 7b7db5d..e31cb1e 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -487,7 +487,8 @@ static int __init via_pmu_dev_init(void)
pmu_batteries[0].flags |= PMU_BATT_TYPE_SMART;
pmu_batteries[1].flags |= PMU_BATT_TYPE_SMART;
} else {
- struct device_node* prim = find_devices("power-mgt");
+ struct device_node* prim =
+ of_find_node_by_name(NULL, "power-mgt");
const u32 *prim_info = NULL;
if (prim)
prim_info = of_get_property(prim, "prim-info", NULL);
@@ -498,6 +499,7 @@ static int __init via_pmu_dev_init(void)
if (pmu_battery_count > 1)
pmu_batteries[1].flags |= PMU_BATT_TYPE_SMART;
}
+ of_node_put(prim);
}
#endif /* CONFIG_PPC32 */
diff --git a/drivers/media/video/planb.c b/drivers/media/video/planb.c
index 86d2884..e6e61df 100644
--- a/drivers/media/video/planb.c
+++ b/drivers/media/video/planb.c
@@ -2160,7 +2160,7 @@ static int find_planb(void)
if (!machine_is(powermac))
return 0;
- planb_devices = find_devices("planb");
+ planb_devices = of_find_node_by_name(NULL, "planb");
if (planb_devices == 0) {
planb_num=0;
printk(KERN_WARNING "PlanB: no device found!\n");
@@ -2175,12 +2175,14 @@ static int find_planb(void)
if (planb_devices->n_addrs != 1) {
printk (KERN_WARNING "PlanB: expecting 1 address for planb "
"(got %d)", planb_devices->n_addrs);
+ of_node_put(planb_devices);
return 0;
}
if (planb_devices->n_intrs == 0) {
printk(KERN_WARNING "PlanB: no intrs for device %s\n",
planb_devices->full_name);
+ of_node_put(planb_devices);
return 0;
} else {
irq = planb_devices->intrs[0].line;
@@ -2202,6 +2204,7 @@ static int find_planb(void)
confreg = planb_devices->addrs[0].space & 0xff;
old_base = planb_devices->addrs[0].address;
new_base = 0xf1000000;
+ of_node_put(planb_devices);
DEBUG("PlanB: Found on bus %d, dev %d, func %d, "
"membase 0x%x (base reg. 0x%x)\n",
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index 2b163c5..cd92a39 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -1467,7 +1467,8 @@ no_dma:
if (ZS_IS_IRDA(uap))
uap->port_type = PMAC_SCC_IRDA;
if (ZS_IS_INTMODEM(uap)) {
- struct device_node* i2c_modem = find_devices("i2c-modem");
+ struct device_node* i2c_modem =
+ of_find_node_by_name(NULL, "i2c-modem");
if (i2c_modem) {
const char* mid =
of_get_property(i2c_modem, "modem-id", NULL);
@@ -1482,6 +1483,7 @@ no_dma:
}
printk(KERN_INFO "pmac_zilog: i2c-modem detected, id: %d\n",
mid ? (*mid) : 0);
+ of_node_put(i2c_modem);
} else {
printk(KERN_INFO "pmac_zilog: serial modem detected\n");
}
diff --git a/drivers/video/controlfb.c b/drivers/video/controlfb.c
index fd60dba..8b76273 100644
--- a/drivers/video/controlfb.c
+++ b/drivers/video/controlfb.c
@@ -179,12 +179,14 @@ MODULE_LICENSE("GPL");
int init_module(void)
{
struct device_node *dp;
+ int ret = -ENXIO;
- dp = find_devices("control");
+ dp = of_find_node_by_name(NULL, "control");
if (dp != 0 && !control_of_init(dp))
- return 0;
+ ret = 0;
+ of_node_put(dp);
- return -ENXIO;
+ return ret;
}
void cleanup_module(void)
@@ -589,16 +591,18 @@ static int __init control_init(void)
{
struct device_node *dp;
char *option = NULL;
+ int ret = -ENXIO;
if (fb_get_options("controlfb", &option))
return -ENODEV;
control_setup(option);
- dp = find_devices("control");
+ dp = of_find_node_by_name(NULL, "control");
if (dp != 0 && !control_of_init(dp))
- return 0;
+ ret = 0;
+ of_node_put(dp);
- return -ENXIO;
+ return ret;
}
module_init(control_init);
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index 052b613..73ceade 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -111,9 +111,6 @@ static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_e
}
-/* OBSOLETE: Old style node lookup */
-extern struct device_node *find_devices(const char *name);
-
/* New style node lookup */
extern struct device_node *of_find_node_by_name(struct device_node *from,
const char *name);
diff --git a/sound/oss/dmasound/dmasound_awacs.c b/sound/oss/dmasound/dmasound_awacs.c
index 977b91c..730fa1d 100644
--- a/sound/oss/dmasound/dmasound_awacs.c
+++ b/sound/oss/dmasound/dmasound_awacs.c
@@ -346,14 +346,16 @@ int gpio_headphone_irq;
int
setup_audio_gpio(const char *name, const char* compatible, int *gpio_addr, int* gpio_pol)
{
+ struct device_node *gpiop;
struct device_node *np;
const u32* pp;
+ int ret = -ENODEV;
- np = find_devices("gpio");
- if (!np)
- return -ENODEV;
+ gpiop = of_find_node_by_name(NULL, "gpio");
+ if (!gpiop)
+ goto done;
- np = np->child;
+ np = of_get_next_child(gpiop, NULL);
while(np != 0) {
if (name) {
const char *property =
@@ -362,20 +364,24 @@ setup_audio_gpio(const char *name, const char* compatible, int *gpio_addr, int*
break;
} else if (compatible && device_is_compatible(np, compatible))
break;
- np = np->sibling;
+ np = of_get_next_child(gpiop, np);
}
if (!np)
- return -ENODEV;
+ goto done;
pp = of_get_property(np, "AAPL,address", NULL);
if (!pp)
- return -ENODEV;
+ goto done;
*gpio_addr = (*pp) & 0x0000ffff;
pp = of_get_property(np, "audio-gpio-active-state", NULL);
if (pp)
*gpio_pol = *pp;
else
*gpio_pol = 1;
- return irq_of_parse_and_map(np, 0);
+ ret = irq_of_parse_and_map(np, 0);
+done:
+ of_node_put(np);
+ of_node_put(gpiop);
+ return ret;
}
static inline void
@@ -2552,32 +2558,33 @@ set_model(void)
static struct device_node* __init
get_snd_io_node(void)
{
- struct device_node *np = NULL;
+ struct device_node *np;
/* set up awacs_node for early OF which doesn't have a full set of
* properties on davbus
- */
-
- awacs_node = find_devices("awacs");
+ */
+ awacs_node = of_find_node_by_name(NULL, "awacs");
if (awacs_node)
awacs_revision = AWACS_AWACS;
/* powermac models after 9500 (other than those which use DACA or
* Tumbler) have a node called "davbus".
*/
- np = find_devices("davbus");
+ np = of_find_node_by_name(NULL, "davbus");
/*
* if we didn't find a davbus device, try 'i2s-a' since
* this seems to be what iBooks (& Tumbler) have.
*/
- if (np == NULL)
- np = i2s_node = find_devices("i2s-a");
+ if (np == NULL) {
+ i2s_node = of_find_node_by_name(NULL, "i2s-a");
+ np = of_node_get(i2s_node);
+ }
/* if we didn't find this - perhaps we are on an early model
* which _only_ has an 'awacs' node
*/
if (np == NULL && awacs_node)
- np = awacs_node ;
+ np = of_node_get(awacs_node);
/* if we failed all these return null - this will cause the
* driver to give up...
@@ -2596,9 +2603,9 @@ get_snd_info_node(struct device_node *io)
{
struct device_node *info;
- info = find_devices("sound");
- while (info && info->parent != io)
- info = info->next;
+ for_each_node_by_name(info, "sound")
+ if (info->parent == io)
+ break;
return info;
}
@@ -2634,11 +2641,17 @@ get_codec_type(struct device_node *info)
static void __init
get_expansion_type(void)
{
- if (find_devices("perch") != NULL)
+ struct device_node *dn;
+
+ dn = of_find_node_by_name(NULL, "perch");
+ if (dn != NULL)
has_perch = 1;
+ of_node_put(dn);
- if (find_devices("pb-ziva-pc") != NULL)
+ dn = of_find_node_by_name(NULL, "pb-ziva-pc");
+ if (dn != NULL)
has_ziva = 1;
+ of_node_put(dn);
/* need to work out how we deal with iMac SRS module */
}
@@ -2827,7 +2840,7 @@ int __init dmasound_awacs_init(void)
#ifdef DEBUG_DMASOUND
printk("dmasound_pmac: couldn't find sound io OF node\n");
#endif
- return -ENODEV ;
+ goto no_device;
}
/* find the OF node that tells us about the sound sub-system
@@ -2839,7 +2852,7 @@ printk("dmasound_pmac: couldn't find sound io OF node\n");
#ifdef DEBUG_DMASOUND
printk("dmasound_pmac: couldn't find 'sound' OF node\n");
#endif
- return -ENODEV ;
+ goto no_device;
}
}
@@ -2848,7 +2861,7 @@ printk("dmasound_pmac: couldn't find 'sound' OF node\n");
#ifdef DEBUG_DMASOUND
printk("dmasound_pmac: couldn't find a Codec we can handle\n");
#endif
- return -ENODEV ; /* we don't know this type of h/w */
+ goto no_device; /* we don't know this type of h/w */
}
/* set up perch, ziva, SRS or whatever else we have as sound
@@ -2866,11 +2879,12 @@ printk("dmasound_pmac: couldn't find a Codec we can handle\n");
* machines).
*/
if (awacs_node) {
- io = awacs_node ;
+ of_node_put(io);
+ io = of_node_get(awacs_node);
if (of_get_address(io, 2, NULL, NULL) == NULL) {
printk("dmasound_pmac: can't use %s\n",
io->full_name);
- return -ENODEV;
+ goto no_device;
}
} else
printk("dmasound_pmac: can't use %s\n", io->full_name);
@@ -2881,7 +2895,7 @@ printk("dmasound_pmac: couldn't find a Codec we can handle\n");
awacs_rsrc[0].end - awacs_rsrc[0].start + 1,
" (IO)") == NULL) {
printk(KERN_ERR "dmasound: can't request IO resource !\n");
- return -ENODEV;
+ goto no_device;
}
if (of_address_to_resource(io, 1, &awacs_rsrc[1]) ||
request_mem_region(awacs_rsrc[1].start,
@@ -2890,7 +2904,7 @@ printk("dmasound_pmac: couldn't find a Codec we can handle\n");
release_mem_region(awacs_rsrc[0].start,
awacs_rsrc[0].end - awacs_rsrc[0].start + 1);
printk(KERN_ERR "dmasound: can't request Tx DMA resource !\n");
- return -ENODEV;
+ goto no_device;
}
if (of_address_to_resource(io, 2, &awacs_rsrc[2]) ||
request_mem_region(awacs_rsrc[2].start,
@@ -2901,7 +2915,7 @@ printk("dmasound_pmac: couldn't find a Codec we can handle\n");
release_mem_region(awacs_rsrc[1].start,
awacs_rsrc[1].end - awacs_rsrc[1].start + 1);
printk(KERN_ERR "dmasound: can't request Rx DMA resource !\n");
- return -ENODEV;
+ goto no_device;
}
awacs_beep_dev = input_allocate_device();
@@ -2913,7 +2927,7 @@ printk("dmasound_pmac: couldn't find a Codec we can handle\n");
release_mem_region(awacs_rsrc[2].start,
awacs_rsrc[2].end - awacs_rsrc[2].start + 1);
printk(KERN_ERR "dmasound: can't allocate input device !\n");
- return -ENOMEM;
+ goto no_device;
}
awacs_beep_dev->name = "dmasound beeper";
@@ -2941,7 +2955,8 @@ printk("dmasound_pmac: couldn't find a Codec we can handle\n");
awacs_rx_irq = irq_of_parse_and_map(io, 2);
/* Hack for legacy crap that will be killed someday */
- awacs_node = io;
+ of_node_put(awacs_node);
+ awacs_node = of_node_get(io);
/* if we have an awacs or screamer - probe the chip to make
* sure we have the right revision.
@@ -2990,6 +3005,8 @@ printk("dmasound_pmac: Awacs/Screamer Codec Mfct: %d Rev %d\n", mfg, rev);
/* if it's there use it to set up frame rates */
init_frame_rates(prop, l) ;
+ of_node_put(info);
+ info = NULL;
}
if (awacs)
@@ -3159,7 +3176,16 @@ printk("dmasound_pmac: Awacs/Screamer Codec Mfct: %d Rev %d\n", mfg, rev);
*/
input_register_device(awacs_beep_dev);
+ of_node_put(io);
+
return dmasound_init();
+
+no_device:
+ of_node_put(info);
+ of_node_put(awacs_node);
+ of_node_put(i2s_node);
+ of_node_put(io);
+ return -ENODEV ;
}
static void __exit dmasound_awacs_cleanup(void)
@@ -3178,6 +3204,8 @@ static void __exit dmasound_awacs_cleanup(void)
}
dmasound_deinit();
+ of_node_put(awacs_node);
+ of_node_put(i2s_node);
}
MODULE_DESCRIPTION("PowerMac built-in audio driver.");
diff --git a/sound/oss/dmasound/tas_common.c b/sound/oss/dmasound/tas_common.c
index 1125760..b295ef6 100644
--- a/sound/oss/dmasound/tas_common.c
+++ b/sound/oss/dmasound/tas_common.c
@@ -41,7 +41,6 @@
static u8 tas_i2c_address = 0x34;
static struct i2c_client *tas_client;
-static struct device_node* tas_node;
static int tas_attach_adapter(struct i2c_adapter *);
static int tas_detach_client(struct i2c_client *);
@@ -191,13 +190,14 @@ int __init
tas_init(int driver_id, const char *driver_name)
{
const u32* paddr;
+ struct device_node *tas_node;
printk(KERN_INFO "tas driver [%s])\n", driver_name);
#ifndef CONFIG_I2C_POWERMAC
request_module("i2c-powermac");
#endif
- tas_node = find_devices("deq");
+ tas_node = of_find_node_by_name("deq");
if (tas_node == NULL)
return -ENODEV;
paddr = of_get_property(tas_node, "i2c-address", NULL);
@@ -208,6 +208,7 @@ tas_init(int driver_id, const char *driver_name)
} else
printk(KERN_INFO "using i2c address: 0x%x (default)\n",
tas_i2c_address);
+ of_node_put(tas_node);
return i2c_add_driver(&tas_driver);
}
diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c
index 5e82968..2bae9c1 100644
--- a/sound/ppc/pmac.c
+++ b/sound/ppc/pmac.c
@@ -816,6 +816,7 @@ static int snd_pmac_free(struct snd_pmac *chip)
if (chip->pdev)
pci_dev_put(chip->pdev);
+ of_node_put(chip->node);
kfree(chip);
return 0;
}
@@ -863,7 +864,8 @@ static void __init detect_byte_swap(struct snd_pmac *chip)
*/
static int __init snd_pmac_detect(struct snd_pmac *chip)
{
- struct device_node *sound = NULL;
+ struct device_node *sound;
+ struct device_node *dn;
const unsigned int *prop;
unsigned int l;
struct macio_chip* macio;
@@ -891,22 +893,21 @@ static int __init snd_pmac_detect(struct snd_pmac *chip)
else if (machine_is_compatible("PowerBook1,1")
|| machine_is_compatible("AAPL,PowerBook1998"))
chip->is_pbook_G3 = 1;
- chip->node = find_devices("awacs");
- if (chip->node)
- sound = chip->node;
+ chip->node = of_find_node_by_name(NULL, "awacs");
+ sound = of_node_get(chip->node);
/*
* powermac G3 models have a node called "davbus"
* with a child called "sound".
*/
if (!chip->node)
- chip->node = find_devices("davbus");
+ chip->node = of_find_node_by_name(NULL, "davbus");
/*
* if we didn't find a davbus device, try 'i2s-a' since
* this seems to be what iBooks have
*/
if (! chip->node) {
- chip->node = find_devices("i2s-a");
+ chip->node = of_find_node_by_name(NULL, "i2s-a");
if (chip->node && chip->node->parent &&
chip->node->parent->parent) {
if (device_is_compatible(chip->node->parent->parent,
@@ -918,12 +919,14 @@ static int __init snd_pmac_detect(struct snd_pmac *chip)
return -ENODEV;
if (!sound) {
- sound = find_devices("sound");
+ sound = of_find_node_by_name(NULL, "sound");
while (sound && sound->parent != chip->node)
- sound = sound->next;
+ sound = of_find_node_by_name(sound, "sound");
}
- if (! sound)
+ if (! sound) {
+ of_node_put(chip->node);
return -ENODEV;
+ }
prop = of_get_property(sound, "sub-frame", NULL);
if (prop && *prop < 16)
chip->subframe = *prop;
@@ -934,6 +937,7 @@ static int __init snd_pmac_detect(struct snd_pmac *chip)
printk(KERN_INFO "snd-powermac no longer handles any "
"machines with a layout-id property "
"in the device-tree, use snd-aoa.\n");
+ of_node_put(chip->node);
return -ENODEV;
}
/* This should be verified on older screamers */
@@ -971,7 +975,9 @@ static int __init snd_pmac_detect(struct snd_pmac *chip)
prop = of_get_property(sound, "device-id", NULL);
if (prop)
chip->device_id = *prop;
- chip->has_iic = (find_devices("perch") != NULL);
+ dn = of_find_node_by_name(NULL, "perch");
+ chip->has_iic = (dn != NULL);
+ of_node_put(dn);
/* We need the PCI device for DMA allocations, let's use a crude method
* for now ...
@@ -1021,6 +1027,7 @@ static int __init snd_pmac_detect(struct snd_pmac *chip)
chip->freqs_ok = 1;
}
+ of_node_put(sound);
return 0;
}
diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c
index 8e01b55..54e333f 100644
--- a/sound/ppc/tumbler.c
+++ b/sound/ppc/tumbler.c
@@ -1031,32 +1031,40 @@ static irqreturn_t headphone_intr(int irq, void *devid)
/* look for audio-gpio device */
static struct device_node *find_audio_device(const char *name)
{
+ struct device_node *gpiop;
struct device_node *np;
- if (! (np = find_devices("gpio")))
+ gpiop = of_find_node_by_name(NULL, "gpio");
+ if (! gpiop)
return NULL;
- for (np = np->child; np; np = np->sibling) {
+ for (np = of_get_next_child(gpiop, NULL); np;
+ np = of_get_next_child(gpiop, np)) {
const char *property = of_get_property(np, "audio-gpio", NULL);
if (property && strcmp(property, name) == 0)
- return np;
+ break;
}
- return NULL;
+ of_node_put(gpiop);
+ return np;
}
/* look for audio-gpio device */
static struct device_node *find_compatible_audio_device(const char *name)
{
+ struct device_node *gpiop;
struct device_node *np;
- if (! (np = find_devices("gpio")))
+ gpiop = of_find_node_by_name(NULL, "gpio");
+ if (!gpiop)
return NULL;
- for (np = np->child; np; np = np->sibling) {
+ for (np = of_get_next_child(gpiop, NULL); np;
+ np = of_get_next_child(gpiop, np)) {
if (device_is_compatible(np, name))
- return np;
+ break;
}
- return NULL;
+ of_node_put(gpiop);
+ return np;
}
/* find an audio device and get its address */
@@ -1066,6 +1074,7 @@ static long tumbler_find_device(const char *device, const char *platform,
struct device_node *node;
const u32 *base;
u32 addr;
+ long ret;
if (is_compatible)
node = find_compatible_audio_device(device);
@@ -1083,6 +1092,7 @@ static long tumbler_find_device(const char *device, const char *platform,
if (!base) {
DBG("(E) cannot find address for device %s !\n", device);
snd_printd("cannot find address for device %s\n", device);
+ of_node_put(node);
return -ENODEV;
}
addr = *base;
@@ -1124,7 +1134,9 @@ static long tumbler_find_device(const char *device, const char *platform,
DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
device, gp->addr, gp->active_state);
- return irq_of_parse_and_map(node, 0);
+ ret = irq_of_parse_and_map(node, 0);
+ of_node_put(node);
+ return ret;
}
/* reset audio */
@@ -1342,9 +1354,9 @@ int __init snd_pmac_tumbler_init(struct snd_pmac *chip)
return err;
/* set up TAS */
- tas_node = find_devices("deq");
+ tas_node = of_find_node_by_name(NULL, "deq");
if (tas_node == NULL)
- tas_node = find_devices("codec");
+ tas_node = of_find_node_by_name(NULL, "codec");
if (tas_node == NULL)
return -ENODEV;
@@ -1355,6 +1367,7 @@ int __init snd_pmac_tumbler_init(struct snd_pmac *chip)
mix->i2c.addr = (*paddr) >> 1;
else
mix->i2c.addr = TAS_I2C_ADDR;
+ of_node_put(tas_node);
DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
--
1.5.1.1
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