i2c: designware_i2c: Don't warn if reset DT property is not present

If reset property is missing in DT, then we get this warning:
	designware_i2c@0: Can't get reset: -2

Avoid this by checking if reset DT property is present, first.

Fixes: 622597dee4f ("i2c: designware: add reset ctrl to driver")
Signed-off-by: Maksim Kiselev <bigunclemax@gmail.com>
Reviewed-by: Heiko Schocher <hs@nabladev.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>

diff --git a/drivers/i2c/designware_i2c.c b/drivers/i2c/designware_i2c.c
index a54976e7889fb13dcf1a429efb938a062036785d..8ad716f410e7320b39b6e00090dea791c93b4d19 100644 (file)
--- a/drivers/i2c/designware_i2c.c
+++ b/drivers/i2c/designware_i2c.c
@@ -764,7 +764,7 @@ int designware_i2c_of_to_plat(struct udevice *bus)
 
        ret = reset_get_bulk(bus, &priv->resets);
        if (ret) {
-               if (ret != -ENOTSUPP)
+               if (ret != -ENOTSUPP && ret != -ENOENT)
                        dev_warn(bus, "Can't get reset: %d\n", ret);
        } else {
                reset_deassert_bulk(&priv->resets);