The fwnode_irq_get_byname() may return zero on device-tree mapping
error. Fix documentation to reflect this as current documentation
suggests check:
if (ret < 0)
is enough to detect the errors. This is not the case.
Add zero as a return value indicating error.
Fixes: ca0acb511c21 ("device property: Add fwnode_irq_get_byname")
Suggested-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: Matti Vaittinen <mazziesaccount@xxxxxxxxx>
---
drivers/base/property.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/base/property.c b/drivers/base/property.c
index 4d6278a84868..df437d10aa08 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -960,7 +960,7 @@ EXPORT_SYMBOL(fwnode_irq_get);
* string.
*
* Return:
- * Linux IRQ number on success, or negative errno otherwise.
+ * Linux IRQ number on success, zero or negative errno otherwise.
*/
int fwnode_irq_get_byname(const struct fwnode_handle *fwnode, const char *name)
{
--
2.37.3
--
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND
~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
Simon says - in Latin please.
~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
Thanks to Simon Glass for the translation =]
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