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Bug#908438: cubietruck wifi reversion

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Hi all,

I've hit this problem myself this weekend on both a
Cubietruck and on a "LeMaker Banana Pro.

For me the problem was intermittent on both devices, once
it happened it seems to require a power-cycle to fix.

Once things work one can safely reboot without hitting
the issue.

I'm attaching a patch which fixes this problem for me,
it is more of a workaround but it does not have much of
a downside. Using an OOB IRQ instead of the sdio-IRQ
mechanism is mostly important to allow the MMC controller
to go into runtime-suspend which is not really an issue
on these boards since they are (usually) not battery
powered.

Regards,

Hans

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Bug#908438: cubietruck wifi reversion Joey Hess <id@joeyh.name> - 2018-09-10 00:40 +0200
  Bug#908438: cubietruck wifi reversion Romain Perier <romain.perier@gmail.com> - 2018-09-27 14:00 +0200
    Bug#908438: cubietruck wifi reversion Joey Hess <id@joeyh.name> - 2018-09-28 23:40 +0200
  Bug#908438: Info received (Bug#908438: cubietruck wifi reversion) Joey Hess <id@joeyh.name> - 2018-09-29 06:50 +0200
  Bug#908438: cubietruck wifi reversion Hans de Goede <hdegoede@redhat.com> - 2018-09-30 17:10 +0200
    Bug#908438: cubietruck wifi reversion Salvatore Bonaccorso <carnil@debian.org> - 2019-12-18 23:00 +0100
      Bug#908438: cubietruck wifi reversion Hans de Goede <hdegoede@redhat.com> - 2019-12-20 12:20 +0100
        Bug#908438: cubietruck wifi reversion Salvatore Bonaccorso <carnil@debian.org> - 2019-12-21 23:10 +0100
          Bug#908438: Still there on 5.4.19-1~bpo10+1 (Was: Bug#908438: cubietruck wifi reversion) Jakob Haufe <sur5r@debian.org> - 2020-04-21 14:30 +0200
  Bug#908438: same problem on buster/testing Axel <axel.scheepers76@gmail.com> - 2019-02-21 20:40 +0100
  Bug#908438: [PATCH resend] ARM: dts: sun7i: Disable OOB IRQ for brcm wifi on Cubietruck and Banana Pro Helmut Grohne <helmut@subdivi.de> - 2019-12-18 18:10 +0100
  Processed: Re: [PATCH resend] ARM: dts: sun7i: Disable OOB IRQ  for brcm wifi on Cubietruck and Banana Pro "Debian Bug Tracking System" <owner@bugs.debian.org> - 2019-12-18 18:10 +0100

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