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Re: [PATCH v2 03/10] Input: synaptics-rmi4: Add device tree support for RMI4 I2C devices

From Andrey Gusakov <andrey.gusakov@cogentembedded.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2 03/10] Input: synaptics-rmi4: Add device tree support for RMI4 I2C devices
Date 2016-01-15 12:30 +0100
Message-ID <qRaJQ-5m5-9@gated-at.bofh.it> (permalink)
References <qQZOp-5YX-9@gated-at.bofh.it>
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On Fri, Jan 15, 2016 at 2:44 AM, Andrew Duggan <aduggan@synaptics.com> wrote:
>
> Add devicetree binding for I2C devices and add bindings for optional
> parameters in the function drivers. Parameters for function drivers are
> defined in child nodes for each of the functions.
>
> Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
...
> +#ifdef CONFIG_OF
> +static void rmi_function_of_probe(struct rmi_function *fn)
> +{
> +       char of_name[8];
> +
> +       snprintf(of_name, sizeof(of_name), "rmi4-f%02x",
> +               fn->fd.function_number);
> +       fn->dev.of_node = of_find_node_by_name(
> +                               fn->rmi_dev->xport->dev->of_node, of_name);
> +}
>
Name like "rmi4-f11" including 0 terminator does not fit in 8 chars.
This leads to the inability to find the correct OF node and get settings.

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[PATCH v2 03/10] Input: synaptics-rmi4: Add device tree support for RMI4 I2C devices Andrew Duggan <aduggan@synaptics.com> - 2016-01-15 00:50 +0100
  Re: [PATCH v2 03/10] Input: synaptics-rmi4: Add device tree support  for RMI4 I2C devices Andrey Gusakov <andrey.gusakov@cogentembedded.com> - 2016-01-15 12:30 +0100
    Re: [PATCH v2 03/10] Input: synaptics-rmi4: Add device tree support  for RMI4 I2C devices Andrew Duggan <aduggan@synaptics.com> - 2016-01-15 20:20 +0100

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