The parent device name is not necessarily always useful, e.g. with i2c devices it may simply be e.g.: "0-0022" and it also depends on the i2c-bus number which depends on probe ordering.
This commit allows drivers to set their own, more useful name, avoiding the problems with some i2c-device names. Signed-off-by: Hans de Goede <[email protected]> --- drivers/extcon/extcon.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c index f422a78..f8d3c1b 100644 --- a/drivers/extcon/extcon.c +++ b/drivers/extcon/extcon.c @@ -1117,7 +1117,8 @@ int extcon_dev_register(struct extcon_dev *edev) edev->dev.class = extcon_class; edev->dev.release = extcon_dev_release; - edev->name = dev_name(edev->dev.parent); + if (!edev->name) + edev->name = dev_name(edev->dev.parent); if (IS_ERR_OR_NULL(edev->name)) { dev_err(&edev->dev, "extcon device name is null\n"); -- 2.9.3
