[PATCH v5 1/5] thermal: renesas: rzg3e: make reset optional

The Renesas RZ/T2H (R9A09G077) and RZ/N2H (R9A09G087) SoCs do not have a
reset line.

Prepare for them by making it optional.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: John Madieu <john.madieu.xa@bp.renesas.com>
Tested-by: John Madieu <john.madieu.xa@bp.renesas.com>
Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@renesas.com>
---

V5:
 * no changes

V4:
 * pick up Geert's Reviewed-by
 * pick up John's Reviewed-by and Tested-by

V3:
 * no changes

V2:
 * no changes

 drivers/thermal/renesas/rzg3e_thermal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thermal/renesas/rzg3e_thermal.c b/drivers/thermal/renesas/rzg3e_thermal.c
index e66d73ca6752..86c10810e5bf 100644
--- a/drivers/thermal/renesas/rzg3e_thermal.c
+++ b/drivers/thermal/renesas/rzg3e_thermal.c

@@ -412,7 +412,7 @@ static int rzg3e_thermal_probe(struct platform_device *pdev)
 				     "Clock rate %lu Hz too low (min %u Hz)\n",
 				     clk_get_rate(clk), TSU_MIN_CLOCK_RATE);
 
-	priv->rstc = devm_reset_control_get_exclusive_deasserted(dev, NULL);
+	priv->rstc = devm_reset_control_get_optional_exclusive_deasserted(dev, NULL);
 	if (IS_ERR(priv->rstc))
 		return dev_err_probe(dev, PTR_ERR(priv->rstc),
 				     "Failed to get/deassert reset control\n");

-- 
2.52.0