From 319a538d618fea33434387c4502361bb8f047e11 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Fri, 18 Nov 2022 06:52:43 +0000 Subject: [PATCH] slimbus: qcom-ngd-ctrl: reinit the reconf completion flag Reinitialize the reconf completion flag when ngd registers are not retainied or when enumeration is lost for ngd. Signed-off-by: Krzysztof Kozlowski Signed-off-by: Srinivas Kandagatla Link: https://lore.kernel.org/r/20221118065246.6835-10-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman --- drivers/slimbus/qcom-ngd-ctrl.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c index a6f3b6860d8f..77aa6d26476c 100644 --- a/drivers/slimbus/qcom-ngd-ctrl.c +++ b/drivers/slimbus/qcom-ngd-ctrl.c @@ -1205,6 +1205,12 @@ static int qcom_slim_ngd_power_up(struct qcom_slim_ngd_ctrl *ctrl) return 0; } + /* + * Reinitialize only when registers are not retained or when enumeration + * is lost for ngd. + */ + reinit_completion(&ctrl->reconf); + writel_relaxed(DEF_NGD_INT_MASK, ngd->base + NGD_INT_EN); rx_msgq = readl_relaxed(ngd->base + NGD_RX_MSGQ_CFG);