Messages in this thread Patch in this message | | | From | Joerg Roedel <> | Subject | [PATCH 2/2] iommu/sun50i: Use __GFP_ZERO instead of memset() | Date | Thu, 14 May 2020 14:46:21 +0200 |
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From: Joerg Roedel <jroedel@suse.de>
Allocate zeroed memory so there is no need to memset it to 0 in the driver.
Cc: Maxime Ripard <maxime@cerno.tech> Signed-off-by: Joerg Roedel <jroedel@suse.de> --- drivers/iommu/sun50i-iommu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c index a52f52eff7c8..9c763d4a8e2a 100644 --- a/drivers/iommu/sun50i-iommu.c +++ b/drivers/iommu/sun50i-iommu.c @@ -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); -- 2.17.1
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