diff mbox series

[U-Boot,012/126] dm: core: Add device_foreach_child()

Message ID 20190925145750.200592-13-sjg@chromium.org
State Accepted
Commit e5f739045890eef2e97488c9c2a7d036ab908e58
Delegated to: Bin Meng
Headers show
Series x86: Add initial support for apollolake | expand

Commit Message

Simon Glass Sept. 25, 2019, 2:55 p.m. UTC
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 <sjg@chromium.org>
---

 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(-)

Comments

Bin Meng Oct. 4, 2019, 9:44 a.m. UTC | #1
On Wed, Sep 25, 2019 at 10:58 PM Simon Glass <sjg@chromium.org> wrote:
>
> 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 <sjg@chromium.org>
> ---
>
>  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(-)
>

Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Bin Meng Oct. 6, 2019, 9:27 a.m. UTC | #2
On Fri, Oct 4, 2019 at 5:44 PM Bin Meng <bmeng.cn@gmail.com> wrote:
>
> On Wed, Sep 25, 2019 at 10:58 PM Simon Glass <sjg@chromium.org> wrote:
> >
> > 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 <sjg@chromium.org>
> > ---
> >
> >  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(-)
> >
>
> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

applied to u-boot-x86/next, thanks!
diff mbox series

Patch

diff --git a/arch/arm/mach-uniphier/pinctrl-glue.c b/arch/arm/mach-uniphier/pinctrl-glue.c
index c4d3b17c39d..b45f72f59a7 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 baaf431e5e0..e8f58b3f5e4 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 27a6d7b9fdb..d1210429e92 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
  *