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powerpc: Use of_node_name_eq for node name comparisons

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Convert string compares of DT node names to use of_node_name_eq helper
instead. This removes direct access to the node name pointer.

A couple of open coded iterating thru the child node names are converted
to use for_each_child_of_node() instead.

Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Rob Herring 2018-12-05 13:50:18 -06:00 committed by Michael Ellerman
parent 0d1223dd92
commit 2c8e65b595
15 changed files with 39 additions and 64 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
arch/powerpc/kernel/legacy_serial.c
View File

@ -400,8 +400,7 @@ void __init find_legacy_serial_ports(void)
/* Next, fill our array with ISA ports */
for_each_node_by_type(np, "serial") {
struct device_node *isa = of_get_parent(np);
if (isa && (!strcmp(isa->name, "isa") ||
!strcmp(isa->name, "lpc"))) {
if (of_node_name_eq(isa, "isa") || of_node_name_eq(isa, "lpc")) {
if (of_device_is_available(np)) {
index = add_legacy_isa_port(np, isa);
if (index >= 0 && np == stdout)
@ -415,11 +414,11 @@ void __init find_legacy_serial_ports(void)
/* Next, try to locate PCI ports */
for (np = NULL; (np = of_find_all_nodes(np));) {
struct device_node *pci, *parent = of_get_parent(np);
if (parent && !strcmp(parent->name, "isa")) {
if (of_node_name_eq(parent, "isa")) {
of_node_put(parent);
continue;
}
if (strcmp(np->name, "serial") &&
if (!of_node_name_eq(np, "serial") &&
!of_node_is_type(np, "serial")) {
of_node_put(parent);
continue;

4
arch/powerpc/platforms/44x/warp.c
View File

@ -179,9 +179,9 @@ static int pika_setup_leds(void)
}
for_each_child_of_node(np, child)
if (strcmp(child->name, "green") == 0)
if (of_node_name_eq(child, "green"))
green_led = of_get_gpio(child, 0);
else if (strcmp(child->name, "red") == 0)
else if (of_node_name_eq(child, "red"))
red_led = of_get_gpio(child, 0);
of_node_put(np);

6
arch/powerpc/platforms/52xx/efika.c
View File

@ -82,11 +82,9 @@ static void __init efika_pcisetup(void)
return;
}
for (pcictrl = NULL;;) {
pcictrl = of_get_next_child(root, pcictrl);
if ((pcictrl == NULL) || (strcmp(pcictrl->name, "pci") == 0))
for_each_child_of_node(root, pcictrl)
if (of_node_name_eq(pcictrl, "pci"))
break;
}
of_node_put(root);

2
arch/powerpc/platforms/cell/setup.c
View File

@ -131,7 +131,7 @@ static int cell_setup_phb(struct pci_controller *phb)
np = phb->dn;
model = of_get_property(np, "model", NULL);
if (model == NULL || strcmp(np->name, "pci"))
if (model == NULL || !of_node_name_eq(np, "pci"))
return 0;
/* Setup workarounds for spider */

10
arch/powerpc/platforms/cell/spu_manage.c
View File

@ -458,7 +458,6 @@ static void init_affinity_node(int cbe)
struct device_node *vic_dn, *last_spu_dn;
phandle avoid_ph;
const phandle *vic_handles;
const char *name;
int lenp, i, added;
last_spu = list_first_entry(&cbe_spu_info[cbe].spus, struct spu,
@ -480,12 +479,7 @@ static void init_affinity_node(int cbe)
if (!vic_dn)
continue;
/* a neighbour might be spe, mic-tm, or bif0 */
name = of_get_property(vic_dn, "name", NULL);
if (!name)
continue;
if (strcmp(name, "spe") == 0) {
if (of_node_name_eq(vic_dn, "spe") ) {
spu = devnode_spu(cbe, vic_dn);
avoid_ph = last_spu_dn->phandle;
} else {
@ -498,7 +492,7 @@ static void init_affinity_node(int cbe)
spu = neighbour_spu(cbe, vic_dn, last_spu_dn);
if (!spu)
continue;
if (!strcmp(name, "mic-tm")) {
if (of_node_name_eq(vic_dn, "mic-tm")) {
last_spu->has_mem_affinity = 1;
spu->has_mem_affinity = 1;
}

5
arch/powerpc/platforms/chrp/setup.c
View File

@ -287,10 +287,7 @@ static __init void chrp_init(void)
* or /pci@80000000/isa@C/serial@i2F8
* The optional graphics card has also type 'serial' in VGA mode.
*/
property = of_get_property(node, "name", NULL);
if (!property)
goto out_put;
if (!strcmp(property, "failsafe") || !strcmp(property, "serial"))
if (of_node_name_eq(node, "failsafe") || of_node_name_eq(node, "serial"))
add_preferred_console("ttyS", 0, NULL);
out_put:
of_node_put(node);

11
arch/powerpc/platforms/powermac/feature.c
View File

@ -173,9 +173,9 @@ static long ohare_htw_scc_enable(struct device_node *node, long param,
macio = macio_find(node, 0);
if (!macio)
return -ENODEV;
if (!strcmp(node->name, "ch-a"))
if (of_node_name_eq(node, "ch-a"))
chan_mask = MACIO_FLAG_SCCA_ON;
else if (!strcmp(node->name, "ch-b"))
else if (of_node_name_eq(node, "ch-b"))
chan_mask = MACIO_FLAG_SCCB_ON;
else
return -ENODEV;
@ -610,9 +610,9 @@ static long core99_scc_enable(struct device_node *node, long param, long value)
macio = macio_find(node, 0);
if (!macio)
return -ENODEV;
if (!strcmp(node->name, "ch-a"))
if (of_node_name_eq(node, "ch-a"))
chan_mask = MACIO_FLAG_SCCA_ON;
else if (!strcmp(node->name, "ch-b"))
else if (of_node_name_eq(node, "ch-b"))
chan_mask = MACIO_FLAG_SCCB_ON;
else
return -ENODEV;
@ -1392,8 +1392,7 @@ static long g5_mpic_enable(struct device_node *node, long param, long value)
if (parent == NULL)
return 0;
is_u3 = strcmp(parent->name, "u3") == 0 ||
strcmp(parent->name, "u4") == 0;
is_u3 = of_node_name_eq(parent, "u3") || of_node_name_eq(parent, "u4");
of_node_put(parent);
if (!is_u3)
return 0;

4
arch/powerpc/platforms/powermac/low_i2c.c
View File

@ -617,7 +617,7 @@ static void __init kw_i2c_probe(void)
* but not for now
*/
child = of_get_next_child(np, NULL);
multibus = !child || strcmp(child->name, "i2c-bus");
multibus = !of_node_name_eq(child, "i2c-bus");
of_node_put(child);
/* For a multibus setup, we get the bus count based on the
@ -1205,7 +1205,7 @@ static void pmac_i2c_devscan(void (*callback)(struct device_node *dev,
if (bus != pmac_i2c_find_bus(np))
continue;
for (p = whitelist; p->name != NULL; p++) {
if (strcmp(np->name, p->name))
if (!of_node_name_eq(np, p->name))
continue;
if (p->compatible &&
!of_device_is_compatible(np, p->compatible))

27
arch/powerpc/platforms/powermac/pci.c
View File

@ -501,9 +501,7 @@ static void __init init_p2pbridge(void)
/* XXX it would be better here to identify the specific
PCI-PCI bridge chip we have. */
p2pbridge = of_find_node_by_name(NULL, "pci-bridge");
if (p2pbridge == NULL
|| p2pbridge->parent == NULL
|| strcmp(p2pbridge->parent->name, "pci") != 0)
if (p2pbridge == NULL || !of_node_name_eq(p2pbridge->parent, "pci"))
goto done;
if (pci_device_from_OF_node(p2pbridge, &bus, &devfn) < 0) {
DBG("Can't find PCI infos for PCI<->PCI bridge\n");
@ -828,14 +826,14 @@ static int __init pmac_add_bridge(struct device_node *dev)
if (of_device_is_compatible(dev, "uni-north")) {
primary = setup_uninorth(hose, &rsrc);
disp_name = "UniNorth";
} else if (strcmp(dev->name, "pci") == 0) {
} else if (of_node_name_eq(dev, "pci")) {
/* XXX assume this is a mpc106 (grackle) */
setup_grackle(hose);
disp_name = "Grackle (MPC106)";
} else if (strcmp(dev->name, "bandit") == 0) {
} else if (of_node_name_eq(dev, "bandit")) {
setup_bandit(hose, &rsrc);
disp_name = "Bandit";
} else if (strcmp(dev->name, "chaos") == 0) {
} else if (of_node_name_eq(dev, "chaos")) {
setup_chaos(hose, &rsrc);
disp_name = "Chaos";
primary = 0;
@ -914,16 +912,14 @@ void __init pmac_pci_init(void)
"of device tree\n");
return;
}
for (np = NULL; (np = of_get_next_child(root, np)) != NULL;) {
if (np->name == NULL)
continue;
if (strcmp(np->name, "bandit") == 0
|| strcmp(np->name, "chaos") == 0
|| strcmp(np->name, "pci") == 0) {
for_each_child_of_node(root, np) {
if (of_node_name_eq(np, "bandit")
|| of_node_name_eq(np, "chaos")
|| of_node_name_eq(np, "pci")) {
if (pmac_add_bridge(np) == 0)
of_node_get(np);
}
if (strcmp(np->name, "ht") == 0) {
if (of_node_name_eq(np, "ht")) {
of_node_get(np);
ht = np;
}
@ -983,7 +979,7 @@ static bool pmac_pci_enable_device_hook(struct pci_dev *dev)
/* Firewire & GMAC were disabled after PCI probe, the driver is
* claiming them, we must re-enable them now.
*/
if (uninorth_child && !strcmp(node->name, "firewire") &&
if (uninorth_child && of_node_name_eq(node, "firewire") &&
(of_device_is_compatible(node, "pci106b,18") ||
of_device_is_compatible(node, "pci106b,30") ||
of_device_is_compatible(node, "pci11c1,5811"))) {
@ -991,7 +987,7 @@ static bool pmac_pci_enable_device_hook(struct pci_dev *dev)
pmac_call_feature(PMAC_FTR_1394_ENABLE, node, 0, 1);
updatecfg = 1;
}
if (uninorth_child && !strcmp(node->name, "ethernet") &&
if (uninorth_child && of_node_name_eq(node, "ethernet") &&
of_device_is_compatible(node, "gmac")) {
pmac_call_feature(PMAC_FTR_GMAC_ENABLE, node, 0, 1);
updatecfg = 1;
@ -1262,4 +1258,3 @@ struct pci_controller_ops pmac_pci_controller_ops = {
.enable_device_hook = pmac_pci_enable_device_hook,
#endif
};

7
arch/powerpc/platforms/powermac/pfunc_base.c
View File

@ -101,9 +101,8 @@ static void macio_gpio_init_one(struct macio_chip *macio)
* Find the "gpio" parent node
*/
for (gparent = NULL;
(gparent = of_get_next_child(macio->of_node, gparent)) != NULL;)
if (strcmp(gparent->name, "gpio") == 0)
for_each_child_of_node(macio->of_node, gparent)
if (of_node_name_eq(gparent, "gpio"))
break;
if (gparent == NULL)
return;
@ -313,7 +312,7 @@ static void uninorth_install_pfunc(void)
* Install handlers for the hwclock child if any
*/
for (np = NULL; (np = of_get_next_child(uninorth_node, np)) != NULL;)
if (strcmp(np->name, "hw-clock") == 0) {
if (of_node_name_eq(np, "hw-clock")) {
unin_hwclock = np;
break;
}

4
arch/powerpc/platforms/powermac/pic.c
View File

@ -553,13 +553,13 @@ void __init pmac_pic_init(void)
for_each_node_with_property(np, "interrupt-controller") {
/* Skip /chosen/interrupt-controller */
if (strcmp(np->name, "chosen") == 0)
if (of_node_name_eq(np, "chosen"))
continue;
/* It seems like at least one person wants
* to use BootX on a machine with an AppleKiwi
* controller which happens to pretend to be an
* interrupt controller too. */
if (strcmp(np->name, "AppleKiwi") == 0)
if (of_node_name_eq(np, "AppleKiwi"))
continue;
/* I think we found one ! */
of_irq_dflt_pic = np;

10
arch/powerpc/platforms/powermac/setup.c
View File

@ -560,15 +560,9 @@ static int __init check_pmac_serial_console(void)
}
pr_debug("stdout is %pOF\n", prom_stdout);
name = of_get_property(prom_stdout, "name", NULL);
if (!name) {
pr_debug(" stdout package has no name !\n");
goto not_found;
}
if (strcmp(name, "ch-a") == 0)
if (of_node_name_eq(prom_stdout, "ch-a"))
offset = 0;
else if (strcmp(name, "ch-b") == 0)
else if (of_node_name_eq(prom_stdout, "ch-b"))
offset = 1;
else
goto not_found;

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

@ -87,7 +87,7 @@ void udbg_scc_init(int force_scc)
for (ch = NULL; (ch = of_get_next_child(escc, ch)) != NULL;) {
if (ch == stdout)
ch_def = of_node_get(ch);
if (strcmp(ch->name, "ch-a") == 0)
if (of_node_name_eq(ch, "ch-a"))
ch_a = of_node_get(ch);
}
if (ch_def == NULL && !force_scc)

2
arch/powerpc/platforms/powernv/opal.c
View File

@ -877,7 +877,7 @@ static int __init opal_init(void)
consoles = of_find_node_by_path("/ibm,opal/consoles");
if (consoles) {
for_each_child_of_node(consoles, np) {
if (strcmp(np->name, "serial"))
if (!of_node_name_eq(np, "serial"))
continue;
of_platform_device_create(np, NULL, NULL);
}

2
arch/powerpc/platforms/pseries/setup.c
View File

@ -190,7 +190,7 @@ static void __init pseries_setup_i8259_cascade(void)
of_node_put(old);
if (np == NULL)
break;
if (strcmp(np->name, "pci") != 0)
if (!of_node_name_eq(np, "pci"))
continue;
addrp = of_get_property(np, "8259-interrupt-acknowledge", NULL);
if (addrp == NULL)