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authorSrinivas Kandagatla <srinivas.kandagatla@linaro.org>2020-04-17 11:36:18 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-04-28 15:02:47 +0200
commitb58c663059b484f7ff547d076a34cf6d7a302e56 (patch)
tree4c26ddb95f59ef5ca9078796e1232414b65cf06e /drivers/slimbus/qcom-ngd-ctrl.c
parentbus: mhi: core: Add support for MHI suspend and resume (diff)
downloadlinux-b58c663059b484f7ff547d076a34cf6d7a302e56.tar.xz
linux-b58c663059b484f7ff547d076a34cf6d7a302e56.zip
slimbus: ngd: get drvdata from correct device
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>
Diffstat (limited to 'drivers/slimbus/qcom-ngd-ctrl.c')
-rw-r--r--drivers/slimbus/qcom-ngd-ctrl.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c
index fc2575fef51b..7426b5884218 100644
--- a/drivers/slimbus/qcom-ngd-ctrl.c
+++ b/drivers/slimbus/qcom-ngd-ctrl.c
@@ -1361,7 +1361,6 @@ 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 +
@@ -1376,12 +1375,13 @@ 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);