The lightbar driver never assigned the drvdata in probe method, and thus there is nothing there. Need to get the ec_dev from the parent's drvdata.
Signed-off-by: Rajat Jain <raja...@google.com> --- drivers/platform/chrome/cros_ec_lightbar.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/platform/chrome/cros_ec_lightbar.c b/drivers/platform/chrome/cros_ec_lightbar.c index d30a6650b0b5..26117a8991b3 100644 --- a/drivers/platform/chrome/cros_ec_lightbar.c +++ b/drivers/platform/chrome/cros_ec_lightbar.c @@ -600,7 +600,7 @@ static int cros_ec_lightbar_remove(struct platform_device *pd) static int __maybe_unused cros_ec_lightbar_resume(struct device *dev) { - struct cros_ec_dev *ec_dev = dev_get_drvdata(dev); + struct cros_ec_dev *ec_dev = dev_get_drvdata(dev->parent); if (userspace_control) return 0; @@ -610,7 +610,7 @@ static int __maybe_unused cros_ec_lightbar_resume(struct device *dev) static int __maybe_unused cros_ec_lightbar_suspend(struct device *dev) { - struct cros_ec_dev *ec_dev = dev_get_drvdata(dev); + struct cros_ec_dev *ec_dev = dev_get_drvdata(dev->parent); if (userspace_control) return 0; -- 2.22.0.410.gd8fdbe21b5-goog