Re: [PATCH] gpio: serial: max310x: Use HW type for gpio_chip's label

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

On Fri, Jan 26, 2018 at 8:02 PM, Jan Kundrát <jan.kundrat@xxxxxxxxx> wrote:

> Some debugging tools (/sys/kernel/debug/gpio, `lsgpio`) use the
> gpio_chip's label for displaying an additional context. Right now, the
> information duplicates stuff which is already available from the
> parent's device. This is how e.g. `lsgpio`'s output looks like:
>
>   GPIO chip: gpiochip2, "spi1.2", 16 GPIO lines
>
> Comparing the output of other GPIO expanders that I have available:
>
>   gpiochip4: GPIOs 464-479, parent: spi/spi1.1, mcp23s17, can sleep:
>   gpiochip5: GPIOs 448-463, parent: i2c/0-0020, pca9555, can sleep:
>   gpiochip2: GPIOs 496-511, parent: spi/spi1.2, spi1.2, can sleep:
>
> This patch ensures that the type of the real HW device is shown instead
> of duplicating the SPI path:
>
>   gpiochip2: GPIOs 496-511, parent: spi/spi1.2, MAX14830, can sleep:
>
> Signed-off-by: Jan Kundrát <jan.kundrat@xxxxxxxxx>

Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Greg, pls apply this to your TTY tree.

Yours,
Linus Walleij
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