Commits
Haojun Bao committed ed35e09248c
serial: pxa: Do not tweak clock in pxa serial write() function The write() function could be used by printk(), which is atomic and tweaking clock there can cause "BUG: sleeping function called from invalid context". Signed-off-by: Bao Haojun <hjbao@marvell.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>