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e47c4f70ea
We can't use msleep() while holding a spinlock, moreower serio's write() method is supposed to be useable from inettrupt context. Let's do what i8042 does and poll the status register every 50 us (with udelay). Reported-by: Marjan Fojkar <marjan@pajkc.eu> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>