Grant Likely 3d0f7cf0f3
gpio: Adjust of_xlate API to support multiple GPIO chips ...
This patch changes the of_xlate API to make it possible for multiple
gpio_chips to refer to the same device tree node. This is useful for
banked GPIO controllers that use multiple gpio_chips for a single
device. With this change the core code will try calling of_xlate on
each gpio_chip that references the device_node and will return the
gpio number for the first one to return 'true'.
Tested-by: Roland Stigge <stigge@antcom.de >
Acked-by: Arnd Bergmann <arnd@arndb.de >
Signed-off-by: Grant Likely <grant.likely@secretlab.ca >
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3d0f7cf0f3