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iommu/sun50i: Use __GFP_ZERO instead of memset()

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Allocate zeroed memory so there is no need to memset it to 0 in the
driver.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Cc: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20200514124621.25999-2-joro@8bytes.org
This commit is contained in:
Joerg Roedel 2020-05-14 14:46:21 +02:00
parent ab785cfa59
commit 38b91f810b
1 changed files with 1 additions and 2 deletions
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3
drivers/iommu/sun50i-iommu.c
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@ -616,11 +616,10 @@ static struct iommu_domain *sun50i_iommu_domain_alloc(unsigned type)
iommu_get_dma_cookie(&sun50i_domain->domain))
goto err_free_domain;
sun50i_domain->dt = (u32 *)__get_free_pages(GFP_KERNEL,
sun50i_domain->dt = (u32 *)__get_free_pages(GFP_KERNEL | __GFP_ZERO,
get_order(DT_SIZE));
if (!sun50i_domain->dt)
goto err_put_cookie;
memset(sun50i_domain->dt, 0, DT_SIZE);
refcount_set(&sun50i_domain->refcnt, 1);