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 <ksenija.stanojevic@xxxxxxxxx>
> ---
> [...]
> +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.
Best regards,
Alexander
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