s390/3270: asynchronous size sensing

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Convert the synchronous size sense code to an interrupt driven
approach. This allows to set the device online even if the
terminal is not connected. With the new code views can be
registered without a connected terminal, the tty can be opened
as soon as the device is online. After the terminal has been
connected and the size has been determined the tty is resized
to match the device characteristics..

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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This commit is contained in:

Martin Schwidefsky

2013-01-04 14:55:13 +01:00

parent c95571e680

commit 4d334fd155

4 changed files with 332 additions and 314 deletions

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drivers/s390/char/raw3270.c

+246 -289

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