[PATCH 06/11] tty/serial/amba-pl011: Quiesce interrupts in poll_get_char

2012-09-24 Thread Anton Vorontsov
We need to quiesce interrupts in the poll_get_char routine, otherwise, if used with KGDB NMI debugger, we'll keep reentering the NMI. Quiescing interrupts is pretty straightforward, except for TXIM interrupt. The interrupt has "ready to transmit" meaning, so it's almost always raised, and the only

[PATCH 06/11] tty/serial/amba-pl011: Quiesce interrupts in poll_get_char

2012-09-19 Thread Anton Vorontsov
We need to quiesce interrupts in the poll_get_char routine, otherwise, if used with KGDB NMI debugger, we'll keep reentering the NMI. Quiescing interrupts is pretty straightforward, except for TXIM interrupt. The interrupt has "ready to transmit" meaning, so it's almost always raised, and the only

[PATCH 06/11] tty/serial/amba-pl011: Quiesce interrupts in poll_get_char

2012-09-13 Thread Anton Vorontsov
We need to quiesce interrupts in the poll_get_char routine, otherwise, if used with KGDB NMI debugger, we'll keep reentering the NMI. Quiescing interrupts is pretty straightforward, except for TXIM interrupt. The interrupt has "ready to transmit" meaning, so it's almost always raised, and the only