Re: [PATCH 2/4] pinctrl: mcp23s08: spi: Fix regmap debugfs entries

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

On Thu, Jan 25, 2018 at 6:29 PM, Jan Kundrát <jan.kundrat@xxxxxxxxx> wrote:

> The SPI version of this chip allows several devices to be present on the
> same SPI bus via a local address. If this is in action and if the kernel
> has debugfs, however, the code attempts to create duplicate entries for
> the regmap's debugfs:
>
>   mcp23s08 spi1.1: Failed to create debugfs directory
>
> This patch simply assigns a local name matching the device logical
> address to the `struct regmap_config`.
>
> No changes are needed for MCP23S18 because that device does not support
> any logical addressing. Similarly, I2C devices do not need any action,
> either, because they are already different in their I2C address.
>
> A similar problem is present for the pinctrl debugfs instance, but that
> one is not addressed by this patch.
>
> Signed-off-by: Jan Kundrát <jan.kundrat@xxxxxxxxx>

This looks good and straight-forward.

Patch applied for v4.17.

Hope it doesn't clash with Phil et al's parallel developments.

Yours,
Linus Walleij
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