regulator: Handle deferred clk

[ Upstream commit 02bcba0b9f9da706d5bd1e8cbeb83493863e17b5 ]

devm_clk_get() can return -EPROBE_DEFER. So it is better to return the
error code from devm_clk_get(), instead of a hard coded -ENOENT.

This gives more opportunities to successfully probe the driver.

Fixes: 8959e5324485 ("regulator: fixed: add possibility to enable by clock")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/18459fae3d017a66313699c7c8456b28158b2dd0.1679819354.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c
index 2a9867a..e6724a2 100644 (file)
--- a/drivers/regulator/fixed.c
+++ b/drivers/regulator/fixed.c
@@ -215,7 +215,7 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev)
                drvdata->enable_clock = devm_clk_get(dev, NULL);
                if (IS_ERR(drvdata->enable_clock)) {
                        dev_err(dev, "Can't get enable-clock from devicetree\n");
-                       return -ENOENT;
+                       return PTR_ERR(drvdata->enable_clock);
                }
        } else if (drvtype && drvtype->has_performance_state) {
                drvdata->desc.ops = &fixed_voltage_domain_ops;