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/freebsd-10-stable/sys/dev/uart/ | ||
H A D | uart_bus_isa.c | diff 246243 Sat Feb 02 09:54:34 MST 2013 avg uart: add resume method and enable it for attachments on the most common x86 buses Otherwise the uart hardware could be in such a state after the resume where IER is cleared and thus no interrupts are generated. This behavior is observed and tested with QEMU, so I am comitting this change to help with my debugging. There has been no feedback from users of serial ports on real hardware. MFC after: 20 days |
H A D | uart_bus_acpi.c | diff 246243 Sat Feb 02 09:54:34 MST 2013 avg uart: add resume method and enable it for attachments on the most common x86 buses Otherwise the uart hardware could be in such a state after the resume where IER is cleared and thus no interrupts are generated. This behavior is observed and tested with QEMU, so I am comitting this change to help with my debugging. There has been no feedback from users of serial ports on real hardware. MFC after: 20 days |
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