i2c_pxa_abort can be called from the atomic context.
Change it to use mdelay and counted loop.
Signed-off-by: NDmitry Baryshkov <dbaryshkov@gmail.com>
Acked-by: NEric Miao <eric.miao@marvell.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>