On Thu, 04 Aug 2016, Alexander Stein wrote:
> On Thursday 04 August 2016 15:28:18, Ksenija Stanojevic wrote:
> > Add core files for mxs-lradc MFD driver.
> >
> > Note: this patch won't compile in iio/testing without this patch:
> > a8f447be8056 ("mfd: Add resource managed APIs for mfd_add_devices")
> >
> > Signed-off-by: Ksenija Stanojevic <[email protected]>
> > ---
> > [...]
> > +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 resource *iores;
> > + 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;
> > +
> > + iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> > + lradc->base = devm_ioremap_resource(dev, iores);
>
> Out of couriosity: Is it common to pass already ioremapped addresses to (MFD
> cell) platform drivers? I would have expected, and done myself, that ioremap
> is done in the driver itself, same as the IRQ.
Yes, this is exactly what should happen.
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
