Replace lots of open-coded sleeps with msleep_interruptible() under
drivers/char.
Signed-off-by: Maximilian Attems <janitor@sternwelten.at>
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Rogier Wolff <R.E.Wolff@BitWizard.nl>
Signed-off-by: Christoph Lameter <christoph@lameter.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>