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of: unify phandle name in struct device_node

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In struct device_node, the phandle is named 'linux_phandle' for PowerPC
and MicroBlaze, and 'node' for SPARC.  There is no good reason for the
difference, it is just an artifact of the code diverging over a couple
of years.  This patch renames both to simply .phandle.

Note: the .node also existed in PowerPC/MicroBlaze, but the only user
seems to be arch/powerpc/platforms/powermac/pfunc_core.c.  It doesn't
look like the assignment between .linux_phandle and .node is
significantly different enough to warrant the separate code paths
unless ibm,phandle properties actually appear in Apple device trees.

I think it is safe to eliminate the old .node property and use
phandle everywhere.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: David S. Miller <davem@davemloft.net>
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Grant Likely 2010-01-28 14:06:53 -07:00
parent 923f7e30b4
commit 6016a363f6
16 changed files with 29 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/microblaze/kernel/of_platform.c
View File

@ -185,7 +185,7 @@ EXPORT_SYMBOL(of_find_device_by_node);
static int of_dev_phandle_match(struct device *dev, void *data)
{
phandle *ph = data;
return to_of_device(dev)->node->linux_phandle == *ph;
return to_of_device(dev)->node->phandle == *ph;
}
struct of_device *of_find_device_by_phandle(phandle ph)

2
arch/microblaze/kernel/prom.c
View File

@ -342,7 +342,7 @@ struct device_node *of_find_node_by_phandle(phandle handle)
read_lock(&devtree_lock);
for (np = allnodes; np != NULL; np = np->allnext)
if (np->linux_phandle == handle)
if (np->phandle == handle)
break;
of_node_get(np);
read_unlock(&devtree_lock);

2
arch/powerpc/kernel/of_platform.c
View File

@ -214,7 +214,7 @@ EXPORT_SYMBOL(of_find_device_by_node);
static int of_dev_phandle_match(struct device *dev, void *data)
{
phandle *ph = data;
return to_of_device(dev)->node->linux_phandle == *ph;
return to_of_device(dev)->node->phandle == *ph;
}
struct of_device *of_find_device_by_phandle(phandle ph)

6
arch/powerpc/kernel/prom.c
View File

@ -778,7 +778,7 @@ struct device_node *of_find_node_by_phandle(phandle handle)
read_lock(&devtree_lock);
for (np = allnodes; np != 0; np = np->allnext)
if (np->linux_phandle == handle)
if (np->phandle == handle)
break;
of_node_get(np);
read_unlock(&devtree_lock);
@ -907,9 +907,9 @@ static int of_finish_dynamic_node(struct device_node *node)
if (machine_is(powermac))
return -ENODEV;
/* fix up new node's linux_phandle field */
/* fix up new node's phandle field */
if ((ibm_phandle = of_get_property(node, "ibm,phandle", NULL)))
node->linux_phandle = *ibm_phandle;
node->phandle = *ibm_phandle;
out:
of_node_put(parent);

6
arch/powerpc/platforms/cell/spu_manage.c
View File

@ -457,7 +457,7 @@ neighbour_spu(int cbe, struct device_node *target, struct device_node *avoid)
continue;
vic_handles = of_get_property(spu_dn, "vicinity", &lenp);
for (i=0; i < (lenp / sizeof(phandle)); i++) {
if (vic_handles[i] == target->linux_phandle)
if (vic_handles[i] == target->phandle)
return spu;
}
}
@ -499,7 +499,7 @@ static void init_affinity_node(int cbe)
if (strcmp(name, "spe") == 0) {
spu = devnode_spu(cbe, vic_dn);
avoid_ph = last_spu_dn->linux_phandle;
avoid_ph = last_spu_dn->phandle;
} else {
/*
* "mic-tm" and "bif0" nodes do not have
@ -514,7 +514,7 @@ static void init_affinity_node(int cbe)
last_spu->has_mem_affinity = 1;
spu->has_mem_affinity = 1;
}
avoid_ph = vic_dn->linux_phandle;
avoid_ph = vic_dn->phandle;
}
list_add_tail(&spu->aff_list, &last_spu->aff_list);

2
arch/powerpc/platforms/powermac/pfunc_core.c
View File

@ -842,7 +842,7 @@ struct pmf_function *__pmf_find_function(struct device_node *target,
list_for_each_entry(func, &dev->functions, link) {
if (name && strcmp(name, func->name))
continue;
if (func->phandle && target->node != func->phandle)
if (func->phandle && target->phandle != func->phandle)
continue;
if ((func->flags & flags) == 0)
continue;

2
arch/sparc/kernel/devices.c
View File

@ -59,7 +59,7 @@ static int __cpu_find_by(int (*compare)(int, int, void *), void *compare_arg,
cur_inst = 0;
for_each_node_by_type(dp, "cpu") {
int err = check_cpu_node(dp->node, &cur_inst,
int err = check_cpu_node(dp->phandle, &cur_inst,
compare, compare_arg,
prom_node, mid);
if (!err) {

2
arch/sparc/kernel/of_device_32.c
View File

@ -433,7 +433,7 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
if (!parent)
dev_set_name(&op->dev, "root");
else
dev_set_name(&op->dev, "%08x", dp->node);
dev_set_name(&op->dev, "%08x", dp->phandle);
if (of_device_register(op)) {
printk("%s: Could not register of device.\n",

2
arch/sparc/kernel/of_device_64.c
View File

@ -666,7 +666,7 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
if (!parent)
dev_set_name(&op->dev, "root");
else
dev_set_name(&op->dev, "%08x", dp->node);
dev_set_name(&op->dev, "%08x", dp->phandle);
if (of_device_register(op)) {
printk("%s: Could not register of device.\n",

8
arch/sparc/kernel/prom_common.c
View File

@ -42,7 +42,7 @@ struct device_node *of_find_node_by_phandle(phandle handle)
struct device_node *np;
for (np = allnodes; np; np = np->allnext)
if (np->node == handle)
if (np->phandle == handle)
break;
return np;
@ -89,7 +89,7 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len
void *old_val = prop->value;
int ret;
ret = prom_setprop(dp->node, name, val, len);
ret = prom_setprop(dp->phandle, name, val, len);
err = -EINVAL;
if (ret >= 0) {
@ -236,7 +236,7 @@ static struct device_node * __init prom_create_node(phandle node,
dp->name = get_one_property(node, "name");
dp->type = get_one_property(node, "device_type");
dp->node = node;
dp->phandle = node;
dp->properties = build_prop_list(node);
@ -313,7 +313,7 @@ void __init prom_build_devicetree(void)
nextp = &allnodes->allnext;
allnodes->child = prom_build_tree(allnodes,
prom_getchild(allnodes->node),
prom_getchild(allnodes->phandle),
&nextp);
of_console_init();

2
arch/sparc/kernel/smp_64.c
View File

@ -370,7 +370,7 @@ static int __cpuinit smp_boot_one_cpu(unsigned int cpu)
} else {
struct device_node *dp = of_find_node_by_cpuid(cpu);
prom_startcpu(dp->node, entry, cookie);
prom_startcpu(dp->phandle, entry, cookie);
}
for (timeout = 0; timeout < 50000; timeout++) {

7
drivers/of/fdt.c
View File

@ -310,12 +310,11 @@ unsigned long __init unflatten_dt_node(unsigned long mem,
__alignof__(struct property));
if (allnextpp) {
if (strcmp(pname, "linux,phandle") == 0) {
np->node = *((u32 *)*p);
if (np->linux_phandle == 0)
np->linux_phandle = np->node;
if (np->phandle == 0)
np->phandle = *((u32 *)*p);
}
if (strcmp(pname, "ibm,phandle") == 0)
np->linux_phandle = *((u32 *)*p);
np->phandle = *((u32 *)*p);
pp->name = pname;
pp->length = sz;
pp->value = (void *)*p;

10
drivers/sbus/char/openprom.c
View File

@ -233,7 +233,7 @@ static int opromnext(void __user *argp, unsigned int cmd, struct device_node *dp
ph = 0;
if (dp)
ph = dp->node;
ph = dp->phandle;
data->current_node = dp;
*((int *) op->oprom_array) = ph;
@ -256,7 +256,7 @@ static int oprompci2node(void __user *argp, struct device_node *dp, struct openp
dp = pci_device_to_OF_node(pdev);
data->current_node = dp;
*((int *)op->oprom_array) = dp->node;
*((int *)op->oprom_array) = dp->phandle;
op->oprom_size = sizeof(int);
err = copyout(argp, op, bufsize + sizeof(int));
@ -273,7 +273,7 @@ static int oprompath2node(void __user *argp, struct device_node *dp, struct open
dp = of_find_node_by_path(op->oprom_array);
if (dp)
ph = dp->node;
ph = dp->phandle;
data->current_node = dp;
*((int *)op->oprom_array) = ph;
op->oprom_size = sizeof(int);
@ -540,7 +540,7 @@ static int opiocgetnext(unsigned int cmd, void __user *argp)
}
}
if (dp)
nd = dp->node;
nd = dp->phandle;
if (copy_to_user(argp, &nd, sizeof(phandle)))
return -EFAULT;
@ -570,7 +570,7 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
case OPIOCGETOPTNODE:
BUILD_BUG_ON(sizeof(phandle) != sizeof(int));
if (copy_to_user(argp, &options_node->node, sizeof(phandle)))
if (copy_to_user(argp, &options_node->phandle, sizeof(phandle)))
return -EFAULT;
return 0;

2
drivers/video/aty/atyfb_base.c
View File

@ -3104,7 +3104,7 @@ static int __devinit atyfb_setup_sparc(struct pci_dev *pdev,
}
dp = pci_device_to_OF_node(pdev);
if (node == dp->node) {
if (node == dp->phandle) {
struct fb_var_screeninfo *var = &default_var;
unsigned int N, P, Q, M, T, R;
u32 v_total, h_total;

5
include/linux/of.h
View File

@ -39,10 +39,7 @@ struct of_irq_controller;
struct device_node {
const char *name;
const char *type;
phandle node;
#if !defined(CONFIG_SPARC)
phandle linux_phandle;
#endif
phandle phandle;
char *full_name;
struct property *properties;

2
sound/aoa/fabrics/layout.c
View File

@ -768,7 +768,7 @@ static int check_codec(struct aoa_codec *codec,
"required property %s not present\n", propname);
return -ENODEV;
}
if (*ref != codec->node->linux_phandle) {
if (*ref != codec->node->phandle) {
printk(KERN_INFO "snd-aoa-fabric-layout: "
"%s doesn't match!\n", propname);
return -ENODEV;