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From:   Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
To:     gregkh@linuxfoundation.org
Cc:     linux-kernel@vger.kernel.org,
        Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
        stable@vger.kernel.org
Subject: [PATCH 3/4] slimbus: ngd: set correct device for pm
Date:   Fri,  6 Aug 2021 10:16:38 +0100
Message-Id: <20210806091639.532-4-srinivas.kandagatla@linaro.org>
In-Reply-To: <20210806091639.532-1-srinivas.kandagatla@linaro.org>
References: <20210806091639.532-1-srinivas.kandagatla@linaro.org>
MIME-Version: 1.0
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For some reason we ended up using wrong device in some places for pm_runtime calls.
Fix this so that NGG driver can do runtime pm correctly.

Fixes: 917809e2280b ("slimbus: ngd: Add qcom SLIMBus NGD driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
 drivers/slimbus/qcom-ngd-ctrl.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c
index c054e83ab636..f3ee8e036372 100644
--- a/drivers/slimbus/qcom-ngd-ctrl.c
+++ b/drivers/slimbus/qcom-ngd-ctrl.c
@@ -618,7 +618,7 @@ static void qcom_slim_ngd_rx(struct qcom_slim_ngd_ctrl *ctrl, u8 *buf)
 		(mc == SLIM_USR_MC_GENERIC_ACK &&
 		 mt == SLIM_MSG_MT_SRC_REFERRED_USER)) {
 		slim_msg_response(&ctrl->ctrl, &buf[4], buf[3], len - 4);
-		pm_runtime_mark_last_busy(ctrl->dev);
+		pm_runtime_mark_last_busy(ctrl->ctrl.dev);
 	}
 }
 
@@ -1257,13 +1257,14 @@ static int qcom_slim_ngd_enable(struct qcom_slim_ngd_ctrl *ctrl, bool enable)
 		}
 		/* controller state should be in sync with framework state */
 		complete(&ctrl->qmi.qmi_comp);
-		if (!pm_runtime_enabled(ctrl->dev) ||
-				!pm_runtime_suspended(ctrl->dev))
-			qcom_slim_ngd_runtime_resume(ctrl->dev);
+		if (!pm_runtime_enabled(ctrl->ctrl.dev) ||
+			 !pm_runtime_suspended(ctrl->ctrl.dev))
+			qcom_slim_ngd_runtime_resume(ctrl->ctrl.dev);
 		else
-			pm_runtime_resume(ctrl->dev);
-		pm_runtime_mark_last_busy(ctrl->dev);
-		pm_runtime_put(ctrl->dev);
+			pm_runtime_resume(ctrl->ctrl.dev);
+
+		pm_runtime_mark_last_busy(ctrl->ctrl.dev);
+		pm_runtime_put(ctrl->ctrl.dev);
 
 		ret = slim_register_controller(&ctrl->ctrl);
 		if (ret) {
@@ -1389,7 +1390,7 @@ static int qcom_slim_ngd_ssr_pdr_notify(struct qcom_slim_ngd_ctrl *ctrl,
 		/* Make sure the last dma xfer is finished */
 		mutex_lock(&ctrl->tx_lock);
 		if (ctrl->state != QCOM_SLIM_NGD_CTRL_DOWN) {
-			pm_runtime_get_noresume(ctrl->dev);
+			pm_runtime_get_noresume(ctrl->ctrl.dev);
 			ctrl->state = QCOM_SLIM_NGD_CTRL_DOWN;
 			qcom_slim_ngd_down(ctrl);
 			qcom_slim_ngd_exit_dma(ctrl);
-- 
2.21.0