Re: [PATCH] regulator: palmas: use correct device node for DT parsing

From: Graeme Gregory
Date: Wed Feb 27 2013 - 09:23:47 EST


On 27/02/13 14:10, Laxman Dewangan wrote:
> When device is registered through the DT then regulators node
> exist in the parent device node of regulator driver. Hence passing
> parent device node for parsing DT in place of self-device node
> which is typically NULL.
>
> Signed-off-by: Laxman Dewangan <ldewangan@xxxxxxxxxx>
> ---
> drivers/regulator/palmas-regulator.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
> index e915629..f07501d 100644
> --- a/drivers/regulator/palmas-regulator.c
> +++ b/drivers/regulator/palmas-regulator.c
> @@ -591,7 +591,7 @@ static int palmas_probe(struct platform_device *pdev)
> {
> struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
> struct palmas_pmic_platform_data *pdata = pdev->dev.platform_data;
> - struct device_node *node = pdev->dev.of_node;
> + struct device_node *node = pdev->dev.parent->of_node;
> struct regulator_dev *rdev;
> struct regulator_config config = { };
> struct palmas_pmic *pmic;
This is not correct, nor is the reasoning.

I suspect your previous patch broke DT probing so your not getting nodes
filled in.

Graeme

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