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

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Wed, Feb 07, 2018 at 02:36:33PM +0100, Linus Walleij wrote:
> On Fri, Jan 26, 2018 at 8:02 PM, Jan Kundrát <jan.kundrat@cesnet.cz> 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@cesnet.cz>
> 
> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
> 
> Greg, pls apply this to your TTY tree.

Ok, let me wait until 4.16-rc1 is out first :)

greg k-h