i2c: designware_i2c: Don't warn if no reset controller
At present if CONFIG_RESET is not enabled, this code shows a warning:
designware_i2c_ofdata_to_platdata() i2c_designware_pci i2c2@16,0:
Can't get reset: -524
Avoid this by checking if reset is supported, first.
Fixes: 622597dee4f ("i2c: designware: add reset ctrl to driver")
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/i2c/designware_i2c.c b/drivers/i2c/designware_i2c.c
index 791f32e..c549895 100644
--- a/drivers/i2c/designware_i2c.c
+++ b/drivers/i2c/designware_i2c.c
@@ -774,10 +774,12 @@
dev_read_u32(bus, "i2c-sda-hold-time-ns", &priv->sda_hold_time_ns);
ret = reset_get_bulk(bus, &priv->resets);
- if (ret)
- dev_warn(bus, "Can't get reset: %d\n", ret);
- else
+ if (ret) {
+ if (ret != -ENOTSUPP)
+ dev_warn(bus, "Can't get reset: %d\n", ret);
+ } else {
reset_deassert_bulk(&priv->resets);
+ }
#if CONFIG_IS_ENABLED(CLK)
ret = clk_get_by_index(bus, 0, &priv->clk);