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Commit ef1afd4d authored by Kyle McMartin's avatar Kyle McMartin
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[PARISC] pdc_console: fix bizarre panic on boot



Commit 721fdf34 introduced a subtle bug
by accidently removing the "static" from iodc_dbuf. This resulted in, what
appeared to be, a trap without *current set to a task. Probably the result of
a trap in real mode while calling firmware.

Also do other misc clean ups. Since the only input from firmware is non
blocking, share iodc_dbuf between input and output, and spinlock the
only callers.

Signed-off-by: default avatarKyle McMartin <kyle@parisc-linux.org>
parent d0347b49
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