[PATCH linux dev-4.10 v2] ARM: aspeed: Release UARTs from reset for all platforms

Joel Stanley joel at jms.id.au
Tue Jul 4 15:44:58 AEST 2017

On Tue, Jul 4, 2017 at 12:51 PM, Jeremy Kerr <jk at ozlabs.org> wrote:
> Hi Joel,
>> This workaround was in place for Zaius. Make it common to all
>> platforms as the held-in-reset behaviour breaks the Linux tty layer
>> where users expect the existence of a device to mean it is usable.
>> We release all four UARTs that are covered by this register from reset.
> This fixes issues where UART1 is non-functional, so meaning that the
> obmc console infrastructure blocks when mirroring to a local tty.
> Resolves: https://github.com/openbmc/openbmc/issues/1882
> Resolves: https://github.com/openbmc/openbmc/issues/1865
> Tested-by: Jeremy Kerr <jk at ozlabs.org>

Thanks for the prompt testing and debugging of this one Jeremy.

Applied to dev-4.10.



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