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powerpc: use for_each_child_of_node() macro

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Use for_each_child_of_node() macro instead of open coding it.

Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200728022807.87815-1-miaoqinglang@huawei.com
This commit is contained in:
Qinglang Miao 2020-07-28 10:28:07 +08:00 committed by Michael Ellerman
parent f2af201002
commit b6ac59d39a
4 changed files with 6 additions and 9 deletions
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3
arch/powerpc/platforms/pasemi/misc.c
View File

@ -56,8 +56,7 @@ static int __init pasemi_register_i2c_devices(void)
if (!adap_node)
continue;
node = NULL;
while ((node = of_get_next_child(adap_node, node))) {
for_each_child_of_node(adap_node, node) {
struct i2c_board_info info = {};
const u32 *addr;
int len;

6
arch/powerpc/platforms/powermac/low_i2c.c
View File

@ -629,8 +629,7 @@ static void __init kw_i2c_probe(void)
for (i = 0; i < chans; i++)
kw_i2c_add(host, np, np, i);
} else {
for (child = NULL;
(child = of_get_next_child(np, child)) != NULL;) {
for_each_child_of_node(np, child) {
const u32 *reg = of_get_property(child,
"reg", NULL);
if (reg == NULL)
@ -1193,8 +1192,7 @@ static void pmac_i2c_devscan(void (*callback)(struct device_node *dev,
* platform function instance
*/
list_for_each_entry(bus, &pmac_i2c_busses, link) {
for (np = NULL;
(np = of_get_next_child(bus->busnode, np)) != NULL;) {
for_each_child_of_node(bus->busnode, np) {
struct whitelist_ent *p;
/* If multibus, check if device is on that bus */
if (bus->flags & pmac_i2c_multibus)

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

@ -114,7 +114,7 @@ static void macio_gpio_init_one(struct macio_chip *macio)
* Ok, got one, we dont need anything special to track them down, so
* we just create them all
*/
for (gp = NULL; (gp = of_get_next_child(gparent, gp)) != NULL;) {
for_each_child_of_node(gparent, gp) {
const u32 *reg = of_get_property(gp, "reg", NULL);
unsigned long offset;
if (reg == NULL)
@ -133,7 +133,7 @@ static void macio_gpio_init_one(struct macio_chip *macio)
macio->of_node);
/* And now we run all the init ones */
for (gp = NULL; (gp = of_get_next_child(gparent, gp)) != NULL;)
for_each_child_of_node(gparent, gp)
pmf_do_functions(gp, NULL, 0, PMF_FLAGS_ON_INIT, NULL);
/* Note: We do not at this point implement the "at sleep" or "at wake"

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

@ -80,7 +80,7 @@ void udbg_scc_init(int force_scc)
path = of_get_property(of_chosen, "linux,stdout-path", NULL);
if (path != NULL)
stdout = of_find_node_by_path(path);
for (ch = NULL; (ch = of_get_next_child(escc, ch)) != NULL;) {
for_each_child_of_node(escc, ch) {
if (ch == stdout)
ch_def = of_node_get(ch);
if (of_node_name_eq(ch, "ch-a"))