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iommu/amd: Don't disable IRQs in __detach_device 

This function is already called with IRQs disabled already.
So no need to disable them again.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
hifive-unleashed-5.1
Joerg Roedel 2015-10-20 17:33:36 +02:00
parent 150952f969
commit f1dd0a8bcd
1 changed files with 2 additions and 3 deletions
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5
drivers/iommu/amd_iommu.c
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@ -2189,18 +2189,17 @@ static int attach_device(struct device *dev,
static void __detach_device(struct iommu_dev_data *dev_data)
{
struct protection_domain *domain;
unsigned long flags;
if (WARN_ON(!dev_data->domain))
return;
domain = dev_data->domain;
spin_lock_irqsave(&domain->lock, flags);
spin_lock(&domain->lock);
do_detach(dev_data);
spin_unlock_irqrestore(&domain->lock, flags);
spin_unlock(&domain->lock);
}
/*