Messages in this thread | | | Subject | Re: [PATCH v3 2/4] leds: simatic-ipc-leds: add new driver for Siemens Industial PCs | From | "Enrico Weigelt, metux IT consult" <> | Date | Wed, 5 May 2021 16:58:31 +0200 |
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On 12.04.21 13:56, Henning Schild wrote:
> Enrico, does "gpio_amd_fch" show up under /sys/class/gpio as a > gpiochip? Or how to interact with that driver before basing another one > on top?
It's not probed on its own, but explicitly by a board specific driver, as it needs board specific data.
See drivers/platform/x86/pcengines-apuv2.c
--mtx
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