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Stefan Wahren
472a61e777
The user space like gpioinfo only see the GPIO usage but not the MUX usage (e.g. I2C or SPI usage) of a pin. As a user we want to know which pin is free/safe to use. So take the MUX usage of strict pinmux controllers into account to get a more realistic view for ioctl GPIO_GET_LINEINFO_IOCTL. Signed-off-by: Stefan Wahren <[email protected]> Tested-by: Ramon Fried <[email protected]> Signed-off-by: Ramon Fried <[email protected]> Link: https://lore.kernel.org/r/[email protected] Acked-by: Stefan Wahren <[email protected]> Signed-off-by: Linus Walleij <[email protected]>