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slimbus: ngd: get drvdata from correct device

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[ Upstream commit b58c663059 ]

Get drvdata directly from parent instead of ngd dev, as ngd
dev can probe defer and previously set drvdata will become null.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20200417093618.7929-1-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Srinivas Kandagatla
2020-04-17 10:36:18 +01:00
committed by Greg Kroah-Hartman
parent 229e16468f
commit ea02b84809
1 changed files with 2 additions and 2 deletions
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4
drivers/slimbus/qcom-ngd-ctrl.c
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@@ -1350,7 +1350,6 @@ 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 +1364,13 @@ 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);