[U-Boot] [PATCH 5/8] dm: core: refactor linker lists lookup code

[Masahiro Yamada]

It looks simpler to use ll_entry_end() than ll_entry_count().
We can save one variable.  (and it will be helpful for the upcoming
commit.)

Signed-off-by: Masahiro Yamada <yamada.m at jp.panasonic.com>
---

 drivers/core/lists.c | 30 +++++++++++++-----------------
 1 file changed, 13 insertions(+), 17 deletions(-)

diff --git a/drivers/core/lists.c b/drivers/core/lists.c
index ddbac38..1476715 100644
--- a/drivers/core/lists.c
+++ b/drivers/core/lists.c
@@ -20,12 +20,10 @@
 
 struct driver *lists_driver_lookup_name(const char *name)
 {
-	struct driver *drv =
-		ll_entry_start(struct driver, driver);
-	const int n_ents = ll_entry_count(struct driver, driver);
-	struct driver *entry;
+	struct driver *entry = ll_entry_start(struct driver, driver);
+	struct driver *end = ll_entry_end(struct driver, driver);
 
-	for (entry = drv; entry != drv + n_ents; entry++) {
+	for (; entry < end; entry++) {
 		if (!strcmp(name, entry->name))
 			return entry;
 	}
@@ -36,12 +34,11 @@ struct driver *lists_driver_lookup_name(const char *name)
 
 struct uclass_driver *lists_uclass_lookup(enum uclass_id id)
 {
-	struct uclass_driver *uclass =
+	struct uclass_driver *entry =
 		ll_entry_start(struct uclass_driver, uclass);
-	const int n_ents = ll_entry_count(struct uclass_driver, uclass);
-	struct uclass_driver *entry;
+	struct uclass_driver *end = ll_entry_end(struct uclass_driver, uclass);
 
-	for (entry = uclass; entry != uclass + n_ents; entry++) {
+	for (; entry < end; entry++) {
 		if (entry->id == id)
 			return entry;
 	}
@@ -51,15 +48,15 @@ struct uclass_driver *lists_uclass_lookup(enum uclass_id id)
 
 int lists_bind_drivers(struct udevice *parent, bool pre_reloc_only)
 {
-	struct driver_info *info =
+	struct driver_info *entry =
 		ll_entry_start(struct driver_info, driver_info);
-	const int n_ents = ll_entry_count(struct driver_info, driver_info);
-	struct driver_info *entry;
+	struct driver_info *end =
+		ll_entry_end(struct driver_info, driver_info);
 	struct udevice *dev;
 	int result = 0;
 	int ret;
 
-	for (entry = info; entry != info + n_ents; entry++) {
+	for (; entry < end; entry++) {
 		ret = device_bind_by_name(parent, pre_reloc_only, entry, &dev);
 		if (ret && ret != -EPERM) {
 			dm_warn("No match for driver '%s'\n", entry->name);
@@ -108,9 +105,8 @@ static int driver_check_compatible(const void *blob, int offset,
 int lists_bind_fdt(struct udevice *parent, const void *blob, int offset,
 		   struct udevice **devp)
 {
-	struct driver *driver = ll_entry_start(struct driver, driver);
-	const int n_ents = ll_entry_count(struct driver, driver);
-	struct driver *entry;
+	struct driver *entry = ll_entry_start(struct driver, driver);
+	struct driver *end = ll_entry_end(struct driver, driver);
 	struct udevice *dev;
 	bool found = false;
 	const char *name;
@@ -120,7 +116,7 @@ int lists_bind_fdt(struct udevice *parent, const void *blob, int offset,
 	dm_dbg("bind node %s\n", fdt_get_name(blob, offset, NULL));
 	if (devp)
 		*devp = NULL;
-	for (entry = driver; entry != driver + n_ents; entry++) {
+	for (; entry < end; entry++) {
 		ret = driver_check_compatible(blob, offset, entry->of_match);
 		name = fdt_get_name(blob, offset, NULL);
 		if (ret == -ENOENT) {
-- 
1.9.1