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-rw-r--r--sound/oss/dmasound/dmasound_awacs.c90
-rw-r--r--sound/oss/dmasound/tas_common.c5
-rw-r--r--sound/ppc/pmac.c27
-rw-r--r--sound/ppc/tumbler.c35
4 files changed, 103 insertions, 54 deletions
diff --git a/sound/oss/dmasound/dmasound_awacs.c b/sound/oss/dmasound/dmasound_awacs.c
index 977b91cea60..730fa1d001a 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 11257600d6d..b295ef68219 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 5e829683d1a..2bae9c1a2b5 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 8e01b558131..54e333fbb1d 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);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-21 03:38:08 +0000