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由 Tejun Heo 提交于
vt6420 completely loses its ability to raise IRQ for ATAPI devices if ATA_NIEN is diddled with in ->freeze. Further investigation is necessary to determine whether this problem is shared on other controllers but it doesn't seem to be at this point. Make vt6420's ->freeze only clear IRQ to fix this problem. This makes vt6420 relatively more prone to IRQ storms but the controller is way too braindamaged to worry about that anyway. Signed-off-by: NTejun Heo <htejun@gmail.com> Signed-off-by: NJeff Garzik <jeff@garzik.org>
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