> Signed-off-by: Marek Belisko <marek@xxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/mfd/twl4030-madc.txt | 18 +++++++++++++
> drivers/mfd/twl4030-madc.c | 31
> ++++++++++++++++++++--
Please separate these into different patches.
> 2 files changed, 47 insertions(+), 2 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/mfd/twl4030-madc.txt
<snip>
> +++ b/drivers/mfd/twl4030-madc.c
> @@ -695,6 +695,29 @@ static int twl4030_madc_set_power(struct twl4030_madc_data *madc, int on)
> return 0;
> }
>
> +#ifdef CONFIG_OF
I believe we're heading for a more:
if (IS_ENABLED(CONFIG_OF))
... approach. I won't enforce it, but please consider using it.
> +static struct twl4030_madc_platform_data *
> + twl4030_madc_of_parse(struct platform_device *pdev)
> +{
> + struct twl4030_madc_platform_data *pdata;
> +
> + pdata = devm_kzalloc(&pdev->dev,
> + sizeof(struct twl4030_madc_platform_data), GFP_KERNEL);
s/struct twl4030_madc_platform_data/*pdata/
> + if (!pdata)
> + return ERR_PTR(-ENOMEM);
> +
> + pdata->irq_line = platform_get_irq(pdev, 0);
Why weren't 'resources' used in the original implementation?
> + return pdata;
> +}
> +
> +static const struct of_device_id twl4030_madc_dt_match_table[] = {
> + { .compatible = "ti,twl4030-madc" },
> + {},
> +};
> +
> +#endif
> +
> /*
> * Initialize MADC and request for threaded irq
> */
> @@ -706,8 +729,11 @@ static int twl4030_madc_probe(struct platform_device *pdev)
> u8 regval;
>
> if (!pdata) {
> - dev_err(&pdev->dev, "platform_data not available\n");
> - return -EINVAL;
> + pdata = twl4030_madc_of_parse(pdev);
> + if (!pdata) {
And if you received -ENOMEM?
> + dev_err(&pdev->dev, "platform_data not available\n");
> + return -EINVAL;
> + }
> }
> madc = kzalloc(sizeof(*madc), GFP_KERNEL);
> if (!madc)
> @@ -807,6 +833,7 @@ static struct platform_driver twl4030_madc_driver = {
> .driver = {
> .name = "twl4030_madc",
> .owner = THIS_MODULE,
> + .of_match_table = of_match_ptr(twl4030_madc_dt_match_table),
> },
> };
>
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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