dm: core: Rename and fix uclass_get_by_name_len()

It seems that namelen is more common in U-Boot. Rename this function to
fit in better. Also fix a bug where it breaks the operation of
uclass_get_by_name() and add a test.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reported-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reported-by: Tim Harvey <tharvey@gateworks.com>
This commit is contained in:
Simon Glass 2022-04-24 23:30:59 -06:00 committed by Tom Rini
parent 8565efd509
commit 6aa4fe3912
3 changed files with 9 additions and 6 deletions

View File

@ -180,14 +180,15 @@ void uclass_set_priv(struct uclass *uc, void *priv)
uc->priv_ = priv;
}
enum uclass_id uclass_get_by_name_len(const char *name, int len)
enum uclass_id uclass_get_by_namelen(const char *name, int len)
{
int i;
for (i = 0; i < UCLASS_COUNT; i++) {
struct uclass_driver *uc_drv = lists_uclass_lookup(i);
if (uc_drv && !strncmp(uc_drv->name, name, len))
if (uc_drv && !strncmp(uc_drv->name, name, len) &&
strlen(uc_drv->name) == len)
return i;
}
@ -196,7 +197,7 @@ enum uclass_id uclass_get_by_name_len(const char *name, int len)
enum uclass_id uclass_get_by_name(const char *name)
{
return uclass_get_by_name_len(name, strlen(name));
return uclass_get_by_namelen(name, strlen(name));
}
int dev_get_uclass_index(struct udevice *dev, struct uclass **ucp)

View File

@ -173,13 +173,13 @@ int uclass_get(enum uclass_id key, struct uclass **ucp);
const char *uclass_get_name(enum uclass_id id);
/**
* uclass_get_by_name_len() - Look up a uclass by its partial driver name
* uclass_get_by_namelen() - Look up a uclass by its driver name
*
* @name: Name to look up
* @len: Length of the partial name
* @len: Length of @name (the uclass driver name must have the same length)
* Return: the associated uclass ID, or UCLASS_INVALID if not found
*/
enum uclass_id uclass_get_by_name_len(const char *name, int len);
enum uclass_id uclass_get_by_namelen(const char *name, int len);
/**
* uclass_get_by_name() - Look up a uclass by its driver name

View File

@ -1161,6 +1161,8 @@ static int dm_test_uclass_names(struct unit_test_state *uts)
ut_asserteq_str("test", uclass_get_name(UCLASS_TEST));
ut_asserteq(UCLASS_TEST, uclass_get_by_name("test"));
ut_asserteq(UCLASS_SPI, uclass_get_by_name("spi"));
return 0;
}
DM_TEST(dm_test_uclass_names, UT_TESTF_SCAN_PDATA);