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From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To:     Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@somainline.org>,
        Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
        linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org,
        linux-kernel@vger.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Subject: [PATCH 5/5] slimbus: qcom-ngd-ctrl: reinit the reconf completion flag
Date:   Fri, 23 Sep 2022 17:57:40 +0200
Message-Id: <20220923155740.422411-5-krzysztof.kozlowski@linaro.org>
In-Reply-To: <20220923155740.422411-1-krzysztof.kozlowski@linaro.org>
References: <20220923155740.422411-1-krzysztof.kozlowski@linaro.org>
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Reinitialize the reconf completion flag when ngd registers are
not retainied or when enumeration is lost for ngd.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 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 548dd7661334..e8ebfcd0655c 100644
--- a/drivers/slimbus/qcom-ngd-ctrl.c
+++ b/drivers/slimbus/qcom-ngd-ctrl.c
@@ -1136,6 +1136,12 @@ 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);
 
-- 
2.34.1