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Fixed

LIN6-11717 : Intel UART Overflow mask not restored upon resume

Created: Aug 19, 2016    Updated: Dec 3, 2018
Resolved Date: Aug 23, 2016
Found In Version: 6.0
Fix Version: 6.0.0.31
Severity: Standard
Applicable for: Wind River Linux 6
Component/s: BSP, Kernel

Description

After resume, the overflow bit of the UART was not being masked correctly on BayTrail platform. This resulted in unhanded interrupts on that UART, causing it to be disabled.

There is nothing in the logs files that shows the failure. If you just monitor /proc/interrupts you will see the flood of interrupts. 

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