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powerpc: use for_each_child_of_node() macro
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
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@ -56,8 +56,7 @@ static int __init pasemi_register_i2c_devices(void)
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if (!adap_node)
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continue;
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node = NULL;
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while ((node = of_get_next_child(adap_node, node))) {
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for_each_child_of_node(adap_node, node) {
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struct i2c_board_info info = {};
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const u32 *addr;
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int len;
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@ -629,8 +629,7 @@ static void __init kw_i2c_probe(void)
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for (i = 0; i < chans; i++)
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kw_i2c_add(host, np, np, i);
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} else {
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for (child = NULL;
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(child = of_get_next_child(np, child)) != NULL;) {
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for_each_child_of_node(np, child) {
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const u32 *reg = of_get_property(child,
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"reg", NULL);
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if (reg == NULL)
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@ -1193,8 +1192,7 @@ static void pmac_i2c_devscan(void (*callback)(struct device_node *dev,
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* platform function instance
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*/
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list_for_each_entry(bus, &pmac_i2c_busses, link) {
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for (np = NULL;
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(np = of_get_next_child(bus->busnode, np)) != NULL;) {
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for_each_child_of_node(bus->busnode, np) {
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struct whitelist_ent *p;
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/* If multibus, check if device is on that bus */
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if (bus->flags & pmac_i2c_multibus)
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@ -114,7 +114,7 @@ static void macio_gpio_init_one(struct macio_chip *macio)
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* Ok, got one, we dont need anything special to track them down, so
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* we just create them all
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*/
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for (gp = NULL; (gp = of_get_next_child(gparent, gp)) != NULL;) {
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for_each_child_of_node(gparent, gp) {
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const u32 *reg = of_get_property(gp, "reg", NULL);
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unsigned long offset;
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if (reg == NULL)
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@ -133,7 +133,7 @@ static void macio_gpio_init_one(struct macio_chip *macio)
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macio->of_node);
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/* And now we run all the init ones */
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for (gp = NULL; (gp = of_get_next_child(gparent, gp)) != NULL;)
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for_each_child_of_node(gparent, gp)
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pmf_do_functions(gp, NULL, 0, PMF_FLAGS_ON_INIT, NULL);
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/* Note: We do not at this point implement the "at sleep" or "at wake"
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@ -80,7 +80,7 @@ void udbg_scc_init(int force_scc)
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path = of_get_property(of_chosen, "linux,stdout-path", NULL);
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if (path != NULL)
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stdout = of_find_node_by_path(path);
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for (ch = NULL; (ch = of_get_next_child(escc, ch)) != NULL;) {
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for_each_child_of_node(escc, ch) {
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if (ch == stdout)
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ch_def = of_node_get(ch);
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if (of_node_name_eq(ch, "ch-a"))
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