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path: root/drivers/slimbus/qcom-ngd-ctrl.c
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Diffstat (limited to 'drivers/slimbus/qcom-ngd-ctrl.c')
-rw-r--r--drivers/slimbus/qcom-ngd-ctrl.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c
index 9221ba7b7863..44021620d101 100644
--- a/drivers/slimbus/qcom-ngd-ctrl.c
+++ b/drivers/slimbus/qcom-ngd-ctrl.c
@@ -1200,6 +1200,9 @@ static int qcom_slim_ngd_runtime_resume(struct device *dev)
struct qcom_slim_ngd_ctrl *ctrl = dev_get_drvdata(dev);
int ret = 0;
+ if (!ctrl->qmi.handle)
+ return 0;
+
if (ctrl->state >= QCOM_SLIM_NGD_CTRL_ASLEEP)
ret = qcom_slim_ngd_power_up(ctrl);
if (ret) {
@@ -1272,9 +1275,13 @@ static void qcom_slim_ngd_qmi_del_server(struct qmi_handle *hdl,
{
struct qcom_slim_ngd_qmi *qmi =
container_of(hdl, struct qcom_slim_ngd_qmi, svc_event_hdl);
+ struct qcom_slim_ngd_ctrl *ctrl =
+ container_of(qmi, struct qcom_slim_ngd_ctrl, qmi);
qmi->svc_info.sq_node = 0;
qmi->svc_info.sq_port = 0;
+
+ qcom_slim_ngd_enable(ctrl, false);
}
static struct qmi_ops qcom_slim_ngd_qmi_svc_event_ops = {
@@ -1350,7 +1357,6 @@ static int of_qcom_slim_ngd_register(struct device *parent,
ngd->pdev->driver_override = QCOM_SLIM_NGD_DRV_NAME;
ngd->pdev->dev.of_node = node;
ctrl->ngd = ngd;
- platform_set_drvdata(ngd->pdev, ctrl);
platform_device_add(ngd->pdev);
ngd->base = ctrl->base + ngd->id * data->offset +
@@ -1365,12 +1371,13 @@ static int of_qcom_slim_ngd_register(struct device *parent,
static int qcom_slim_ngd_probe(struct platform_device *pdev)
{
- struct qcom_slim_ngd_ctrl *ctrl = platform_get_drvdata(pdev);
struct device *dev = &pdev->dev;
+ struct qcom_slim_ngd_ctrl *ctrl = dev_get_drvdata(dev->parent);
int ret;
ctrl->ctrl.dev = dev;
+ platform_set_drvdata(pdev, ctrl);
pm_runtime_use_autosuspend(dev);
pm_runtime_set_autosuspend_delay(dev, QCOM_SLIM_NGD_AUTOSUSPEND);
pm_runtime_set_suspended(dev);
@@ -1489,6 +1496,9 @@ static int __maybe_unused qcom_slim_ngd_runtime_suspend(struct device *dev)
struct qcom_slim_ngd_ctrl *ctrl = dev_get_drvdata(dev);
int ret = 0;
+ if (!ctrl->qmi.handle)
+ return 0;
+
ret = qcom_slim_qmi_power_request(ctrl, false);
if (ret && ret != -EBUSY)
dev_info(ctrl->dev, "slim resource not idle:%d\n", ret);