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powerpc/iommu: Use permission-specific DEVICE_ATTR variants

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Use DEVICE_ATTR_RW for read-write attributes.  This simplifies the
source code, improves readbility, and reduces the chance of
inconsistencies.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Julia Lawall 2016-10-29 21:37:02 +02:00 committed by Michael Ellerman
parent 6ab41161b4
commit 8a7aef2cb3
1 changed files with 1 additions and 2 deletions
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3
arch/powerpc/kernel/iommu.c
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@ -127,8 +127,7 @@ static ssize_t fail_iommu_store(struct device *dev,
return count;
}
static DEVICE_ATTR(fail_iommu, S_IRUGO|S_IWUSR, fail_iommu_show,
fail_iommu_store);
static DEVICE_ATTR_RW(fail_iommu);
static int fail_iommu_bus_notify(struct notifier_block *nb,
unsigned long action, void *data)