From e5f739045890eef2e97488c9c2a7d036ab908e58 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 25 Sep 2019 08:55:56 -0600 Subject: [PATCH] dm: core: Add device_foreach_child() We have a 'safe' version of this function but sometimes it is not needed. Add a normal version too and update a few places that can use it. Signed-off-by: Simon Glass Reviewed-by: Bin Meng --- arch/arm/mach-uniphier/pinctrl-glue.c | 4 ++-- drivers/block/blk-uclass.c | 4 ++-- include/dm/device.h | 9 +++++++++ 3 files changed, 13 insertions(+), 4 deletions(-) diff --git a/arch/arm/mach-uniphier/pinctrl-glue.c b/arch/arm/mach-uniphier/pinctrl-glue.c index c4d3b17c39..b45f72f59a 100644 --- a/arch/arm/mach-uniphier/pinctrl-glue.c +++ b/arch/arm/mach-uniphier/pinctrl-glue.c @@ -13,14 +13,14 @@ int uniphier_pin_init(const char *pinconfig_name) { - struct udevice *pctldev, *config, *next; + struct udevice *pctldev, *config; int ret; ret = uclass_first_device(UCLASS_PINCTRL, &pctldev); if (ret) return ret; - device_foreach_child_safe(config, next, pctldev) { + device_foreach_child(config, pctldev) { if (strcmp(config->name, pinconfig_name)) continue; diff --git a/drivers/block/blk-uclass.c b/drivers/block/blk-uclass.c index baaf431e5e..e8f58b3f5e 100644 --- a/drivers/block/blk-uclass.c +++ b/drivers/block/blk-uclass.c @@ -142,9 +142,9 @@ struct blk_desc *blk_get_devnum_by_typename(const char *if_typename, int devnum) */ struct blk_desc *blk_get_by_device(struct udevice *dev) { - struct udevice *child_dev, *next; + struct udevice *child_dev; - device_foreach_child_safe(child_dev, next, dev) { + device_foreach_child(child_dev, dev) { if (device_get_uclass_id(child_dev) != UCLASS_BLK) continue; diff --git a/include/dm/device.h b/include/dm/device.h index 27a6d7b9fd..d1210429e9 100644 --- a/include/dm/device.h +++ b/include/dm/device.h @@ -679,6 +679,15 @@ static inline bool device_is_on_pci_bus(struct udevice *dev) #define device_foreach_child_safe(pos, next, parent) \ list_for_each_entry_safe(pos, next, &parent->child_head, sibling_node) +/** + * device_foreach_child() - iterate through child devices + * + * @pos: struct udevice * for the current device + * @parent: parent device to scan + */ +#define device_foreach_child(pos, parent) \ + list_for_each_entry(pos, &parent->child_head, sibling_node) + /** * dm_scan_fdt_dev() - Bind child device in a the device tree * -- 2.39.5