Replace uses with of_find_node_by_name and for_each_node_by_name.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
}
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
*/
return err;
}
- node_vroot = find_devices("vdevice");
+ node_vroot = of_find_node_by_name(NULL, "vdevice");
if (node_vroot) {
struct device_node *of_node;
__FUNCTION__, of_node);
vio_register_device_node(of_node);
}
+ of_node_put(node_vroot);
}
return 0;
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",
* 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);
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");
#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
/* 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) {
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);
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;
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++) {
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.
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
* 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);
}
/* 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 */
#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
/* 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
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)
}
#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"))
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
#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;
#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;
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);
* 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;
#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;
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)
* 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);
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);
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);
if (pmu_battery_count > 1)
pmu_batteries[1].flags |= PMU_BATT_TYPE_SMART;
}
+ of_node_put(prim);
}
#endif /* CONFIG_PPC32 */
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");
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;
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",
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);
}
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");
}
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)
{
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);
}
-/* 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);
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 =
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
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...
{
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;
}
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 */
}
#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
#ifdef DEBUG_DMASOUND
printk("dmasound_pmac: couldn't find 'sound' OF node\n");
#endif
- return -ENODEV ;
+ goto no_device;
}
}
#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
* 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);
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,
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,
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();
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";
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.
/* if it's there use it to set up frame rates */
init_frame_rates(prop, l) ;
+ of_node_put(info);
+ info = NULL;
}
if (awacs)
*/
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)
}
dmasound_deinit();
+ of_node_put(awacs_node);
+ of_node_put(i2s_node);
}
MODULE_DESCRIPTION("PowerMac built-in audio driver.");
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 *);
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);
} 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);
}
if (chip->pdev)
pci_dev_put(chip->pdev);
+ of_node_put(chip->node);
kfree(chip);
return 0;
}
*/
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;
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,
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;
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 */
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 ...
chip->freqs_ok = 1;
}
+ of_node_put(sound);
return 0;
}
/* 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 */
struct device_node *node;
const u32 *base;
u32 addr;
+ long ret;
if (is_compatible)
node = find_compatible_audio_device(device);
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;
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 */
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;
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);
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff