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This patch improves disable_controller() in the r8a66597-hdc driver to disable all interrupts and clear status flags. It also makes sure that disable_controller() is called during probe(). This fixes the relatively rare case of unexpected pending interrupts after kexec reboot. Signed-off-by: Magnus Damm <damm@opensource.se> Acked-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>