Re: [PATCH v6 1/4] mfd: mxs-lradc: Add support for mxs-lradc MFD

From: Stefan Wahren
Date: Wed Sep 28 2016 - 21:39:20 EST


Hi Lee,

> Lee Jones <lee.jones@xxxxxxxxxx> hat am 28. September 2016 um 03:05
> geschrieben:
>
>
> On Sat, 17 Sep 2016, Ksenija Stanojevic wrote:
>
> > +
> > +static int mxs_lradc_probe(struct platform_device *pdev)
> > +{
> > + const struct of_device_id *of_id;
> > + struct device *dev = &pdev->dev;
> > + struct device_node *node = dev->of_node;
> > + struct mxs_lradc *lradc;
> > + struct mfd_cell *cells = NULL;
> > + int ret = 0;
> > + u32 ts_wires = 0;
> > +
> > + lradc = devm_kzalloc(&pdev->dev, sizeof(*lradc), GFP_KERNEL);
> > + if (!lradc)
> > + return -ENOMEM;
> > +
> > + of_id = of_match_device(mxs_lradc_dt_ids, &pdev->dev);
> > + lradc->soc = (enum mxs_lradc_id)of_id->data;
> > +
> > + lradc->clk = devm_clk_get(&pdev->dev, NULL);
> > + if (IS_ERR(lradc->clk)) {
> > + dev_err(dev, "Failed to get the delay unit clock\n");
> > + return PTR_ERR(lradc->clk);
> > + }
> > +
> > + ret = clk_prepare_enable(lradc->clk);
> > + if (ret) {
> > + dev_err(dev, "Failed to enable the delay unit clock\n");
> > + return ret;
> > + }
> > +
> > + ret = of_property_read_u32(node, "fsl,lradc-touchscreen-wires",
>
> Have you moved the documentation into devicetree/bindings/mfd?
>

i hope it's okay if i answer. The binding has moved to
devicetree/binding/iio/adc/ [1]

Should it move completely to mfd or split too?

I'm asking myself how we keep DT ABI in the latter case.

[1] -
http://lxr.free-electrons.com/source/Documentation/devicetree/bindings/iio/adc/mxs-lradc.txt

>
> --
> Lee Jones
> Linaro STMicroelectronics Landing Team Lead
> Linaro.org â Open source software for ARM SoCs
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