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1a9ab351fb
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.