Re: [PATCH] platform/chrome: lightbar: Get drvdata from parent in suspend/resume
From: Enric Balletbo i Serra
Date: Fri Jun 28 2019 - 06:50:14 EST
On 27/6/19 23:47, Rajat Jain wrote:
> 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 <rajatja@xxxxxxxxxx>
Queued for 5.3
Thanks,
~ Enric
> ---
> 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;
>