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[Bug 1348808] Re: [Trusty] gpio-dwapb backport causes Kconfig recursion


This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
trusty' to 'verification-done-trusty'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
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** Tags added: verification-needed-trusty

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  [Trusty] gpio-dwapb backport causes Kconfig recursion

Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Trusty:
  Fix Committed
Status in “linux” source package in Utopic:
  Fix Released

Bug description:
  You'll notice from the arm64 buildlogs that since we incorporated the
  gpio-dwapb driver in f94487d4453f8e96faae8f638e165e7fd961af4a, we've
  started getting this error:

  scripts/kconfig/conf --silentoldconfig Kconfig
  kernel/irq/Kconfig:41:error: recursive dependency detected!
  kernel/irq/Kconfig:41:	symbol GENERIC_IRQ_CHIP is selected by GPIO_DWAPB
  drivers/gpio/Kconfig:124:	symbol GPIO_DWAPB depends on IRQ_DOMAIN
  kernel/irq/Kconfig:46:	symbol IRQ_DOMAIN is selected by GENERIC_IRQ_CHIP

  Though this shouldn't have any impact on Ubuntu builds, it is an
  annoying regression for people trying to do their own builds of Ubuntu

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