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UART over IR LEDs #55

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UART over IR LEDs #55

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Commits on Jun 11, 2021

  1. driver bugfix 

    vanilla sc16is7xx driver has a bug where it registers the gpiochip _before_ setting up data needed by the gpio functions themselves
usually this doesn't cause issues because everything will be set up properly by the time the driver finishes loading, but if there's a child gpio hog node present it'll try to add it and immediately access uninitialized memory, leading to a kernel panic

this should also be fixed in mainline
    @Wolfvak
    Wolfvak committed Jun 11, 2021
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  2. also reorder the exit order in case of error for the sc16is7xx driver

    @Wolfvak
    Wolfvak committed Jun 11, 2021
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  3. ir transceiver is now working on pure uart mode 

    eventually a better driver will need to be written to handle the PWDOWN pin during low power states
thanks to @al3x10m for all the testing and help
    @Wolfvak
    Wolfvak committed Jun 11, 2021
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