Re: [PATCH 29/40] mfd: ti_am335x_tscadc: Support the correctly spelled DT property

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On Wed, 25 Aug 2021 17:25:07 +0200
Miquel Raynal <miquel.raynal@xxxxxxxxxxx> wrote:

> There was in the past a typo in the coordinate readouts property. The
> bindings have been updated, the touchscreen driver as well and now
> supports both. However, the MFD driver that is in charge of verifying
> the validity of the property only checks the bogus one. Add support for
> the correctly spelled DT property.
> 
> Fixes: c9aeb249bf72 ("Input: ti_am335x_tsc - fix spelling mistake in TSC/ADC DT binding")
> Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Ouch.

> ---
>  drivers/mfd/ti_am335x_tscadc.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c
> index f4f6b9db4d2a..0bd260edc9ad 100644
> --- a/drivers/mfd/ti_am335x_tscadc.c
> +++ b/drivers/mfd/ti_am335x_tscadc.c
> @@ -143,7 +143,13 @@ static	int ti_tscadc_probe(struct platform_device *pdev)
>  	if (tscadc->data->has_tsc) {
>  		node = of_get_child_by_name(pdev->dev.of_node, "tsc");
>  		of_property_read_u32(node, "ti,wires", &tscmag_wires);
> -		of_property_read_u32(node, "ti,coordiante-readouts", &readouts);
> +		err = of_property_read_u32(node, "ti,coordinate-readouts",
> +					   &readouts);
> +		if (err < 0) {
> +			err = of_property_read_u32(node, "ti,coordiante-readouts",
> +						   &readouts);

I'm going to guess this will trigger not used warnings for err.  

> +		}
> +
>  		if (tscmag_wires)
>  			use_tsc = true;
>  	} else {




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