From 6ae9c84ff249f2756086e71405375fd06124cf1f Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Tue, 15 May 2018 16:09:15 +0200 Subject: [PATCH] drm/etnaviv: mmuv2: use memset32 to init scratch page Replace the open-coded scratch page initialization loop with memset32 Signed-off-by: Philipp Zabel Signed-off-by: Lucas Stach --- drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c b/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c index 71fbc1f96cb6..f1c88d8ad5ba 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c @@ -119,8 +119,7 @@ static size_t etnaviv_iommuv2_unmap(struct etnaviv_iommu_domain *domain, static int etnaviv_iommuv2_init(struct etnaviv_iommuv2_domain *etnaviv_domain) { - u32 *p; - int ret, i; + int ret; /* allocate scratch page */ etnaviv_domain->base.bad_page_cpu = @@ -131,9 +130,9 @@ static int etnaviv_iommuv2_init(struct etnaviv_iommuv2_domain *etnaviv_domain) ret = -ENOMEM; goto fail_mem; } - p = etnaviv_domain->base.bad_page_cpu; - for (i = 0; i < SZ_4K / 4; i++) - *p++ = 0xdead55aa; + + memset32(etnaviv_domain->base.bad_page_cpu, 0xdead55aa, + SZ_4K / sizeof(u32)); etnaviv_domain->pta_cpu = dma_alloc_wc(etnaviv_domain->base.dev, SZ_4K, &etnaviv_domain->pta_dma, -- 2.30.2