From: Lad Prabhakar prabhakar.mahadev-lad.rj@bp.renesas.com
commit 5223c511eb4f919e6b423b2f66e02674e97e77e3 upstream.
Pin status reported by pinconf-pins file always reported pin status as "input enabled" even for pins which had input disabled. Fix this by returning -EINVAL for the pins which have input disabled.
Fixes: c4c4637eb57f2 ("pinctrl: renesas: Add RZ/G2L pin and gpio controller driver") Reported-by: Phil Edworthy phil.edworthy@renesas.com Signed-off-by: Lad Prabhakar prabhakar.mahadev-lad.rj@bp.renesas.com Reviewed-by: Phil Edworthy phil.edworthy@renesas.com Link: https://lore.kernel.org/r/20220511094057.3151-1-prabhakar.mahadev-lad.rj@bp.... Signed-off-by: Geert Uytterhoeven geert+renesas@glider.be Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/pinctrl/renesas/pinctrl-rzg2l.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -517,6 +517,8 @@ static int rzg2l_pinctrl_pinconf_get(str if (!(cfg & PIN_CFG_IEN)) return -EINVAL; arg = rzg2l_read_pin_config(pctrl, IEN(port_offset), bit, IEN_MASK); + if (!arg) + return -EINVAL; break;
case PIN_CONFIG_POWER_SOURCE: {