[PATCH v3 1/4] clk: qcom: common: Register reset controller only when resets are present

[Imran Shaik]

Some clock controller descriptors do not define resets. Avoid registering
a reset controller in such cases by checking desc->num_resets.

Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
Reviewed-by: Vladimir Zapolskiy <vladimir.zapolskiy@xxxxxxxxxx>
Signed-off-by: Imran Shaik <imran.shaik@xxxxxxxxxxxxxxxx>
---
 drivers/clk/qcom/common.c | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)

diff --git a/drivers/clk/qcom/common.c b/drivers/clk/qcom/common.c
index 2c09abaf1d2a15b7fbbbfeb67c03075381185a00..d6ff83045da8f308dcb9c5836af48090323248de 100644
--- a/drivers/clk/qcom/common.c
+++ b/drivers/clk/qcom/common.c
@@ -359,17 +359,19 @@ int qcom_cc_really_probe(struct device *dev,
 		qcom_cc_clk_regs_configure(dev, desc->driver_data, regmap);
 	}
 
-	reset = &cc->reset;
-	reset->rcdev.of_node = dev->of_node;
-	reset->rcdev.ops = &qcom_reset_ops;
-	reset->rcdev.owner = dev->driver->owner;
-	reset->rcdev.nr_resets = desc->num_resets;
-	reset->regmap = regmap;
-	reset->reset_map = desc->resets;
-
-	ret = devm_reset_controller_register(dev, &reset->rcdev);
-	if (ret)
-		goto put_rpm;
+	if (desc->num_resets) {
+		reset = &cc->reset;
+		reset->rcdev.of_node = dev->of_node;
+		reset->rcdev.ops = &qcom_reset_ops;
+		reset->rcdev.owner = dev->driver->owner;
+		reset->rcdev.nr_resets = desc->num_resets;
+		reset->regmap = regmap;
+		reset->reset_map = desc->resets;
+
+		ret = devm_reset_controller_register(dev, &reset->rcdev);
+		if (ret)
+			goto put_rpm;
+	}
 
 	if (desc->gdscs && desc->num_gdscs) {
 		scd = devm_kzalloc(dev, sizeof(*scd), GFP_KERNEL);

-- 
2.34.1