serial: 8250_early: do not save and restore IER in write callback

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The IER has already been masked in early_serial8250_setup(), there is
no reason to save and restore it every time early_serial8250_write()
is called.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Masahiro Yamada 2015-10-30 11:39:03 +09:00 • committed by Greg Kroah-Hartman

parent c0f160a735

commit 2cda227bba

1 changed files with 1 additions and 10 deletions

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drivers/tty/serial/8250/8250_early.c

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