ide: fix ->io_32bit race in set_io_32bit()
set_io_32bit() (ide_procset_t function) can race against running PIO transfers. Fix it by using ide_spin_wait_hwgroup(). Acked-by: NSergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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