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(parent: 4278a28) | patch
tty: xuartps: Refactor IRQ handling
authorSoren Brinkmann <soren.brinkmann@xilinx.com>
Tue, 12 Jan 2016 01:41:37 +0000 (17:41 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 7 Feb 2016 06:52:23 +0000 (22:52 -0800)
commit0e7e5a8141a590864f1e780cc9612b7719612976
tree47061af75fbe80c32e86be99b0531e2b8a0fb21ftree | snapshot
parent4278a289631a08cc0d61b1a2e100eaf9a3191b3bcommit | diff
tty: xuartps: Refactor IRQ handling

The system could deadlock handling RX IRQs when RX-related IRQ
conditions became true while the receiver was disabled. To avoid this,
enable/disable the RX/TX IRQs together with the receiver/transmitter.

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/xilinx_uartps.c diff | blob | history
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