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Date:   Fri,  3 May 2019 17:17:36 -0700
From:   Bjorn Andersson <>
To:     Michael Turquette <>,
        Stephen Boyd <>
Subject: [PATCH] clk: qcom: gdsc: WARN when failing to toggle

Failing to toggle a GDSC as the driver core is attaching the
power-domain to a device will cause a silent probe deferral. Provide an
explicit warning to the developer, in order to reduce the amount of time
it take to debug this.

Signed-off-by: Bjorn Andersson <>
 drivers/clk/qcom/gdsc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/qcom/gdsc.c b/drivers/clk/qcom/gdsc.c
index dd63aa36b092..6a8a4996dde3 100644
--- a/drivers/clk/qcom/gdsc.c
+++ b/drivers/clk/qcom/gdsc.c
@@ -149,7 +149,9 @@ static int gdsc_toggle_logic(struct gdsc *sc, enum gdsc_status status)
-	return gdsc_poll_status(sc, status);
+	ret = gdsc_poll_status(sc, status);
+	WARN(ret, "%s status stuck at 'o%s'", sc->, status ? "ff" : "n");
+	return ret;
 static inline int gdsc_deassert_reset(struct gdsc *sc)

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