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 <bjorn.andersson@xxxxxxxxxx> --- 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) udelay(1); } - return gdsc_poll_status(sc, status); + ret = gdsc_poll_status(sc, status); + WARN(ret, "%s status stuck at 'o%s'", sc->pd.name, status ? "ff" : "n"); + return ret; } static inline int gdsc_deassert_reset(struct gdsc *sc) -- 2.18.0
