pci_alloc_consistent calls dma_alloc_coherent directly.
In commit af7ddd8a627c
("Merge tag 'dma-mapping-4.21' of
git://git.infradead.org/users/hch/dma-mapping"),
dma_alloc_coherent has already zeroed the memory.
So memset after these 2 functions is not needed.
Signed-off-by: Fuqian Huang <huangfq.dax...@gmail.com>
---
drivers/media/pci/ngene/ngene-core.c | 4 ----
drivers/media/platform/exynos4-is/fimc-is.c | 1 -
2 files changed, 5 deletions(-)
diff --git a/drivers/media/pci/ngene/ngene-core.c
b/drivers/media/pci/ngene/ngene-core.c
index b75ab7d29226..af15ca1c501b 100644
--- a/drivers/media/pci/ngene/ngene-core.c
+++ b/drivers/media/pci/ngene/ngene-core.c
@@ -854,8 +854,6 @@ static int create_ring_buffer(struct pci_dev *pci_dev,
if (!Head)
return -ENOMEM;
- memset(Head, 0, MemSize);
-
PARingBufferCur = PARingBufferHead;
Cur = Head;
@@ -907,8 +905,6 @@ static int AllocateRingBuffers(struct pci_dev *pci_dev,
if (SCListMem == NULL)
return -ENOMEM;
- memset(SCListMem, 0, SCListMemSize);
-
pRingBuffer->SCListMem = SCListMem;
pRingBuffer->PASCListMem = PASCListMem;
pRingBuffer->SCListMemSize = SCListMemSize;
diff --git a/drivers/media/platform/exynos4-is/fimc-is.c
b/drivers/media/platform/exynos4-is/fimc-is.c
index e043d55133a3..77633e356305 100644
--- a/drivers/media/platform/exynos4-is/fimc-is.c
+++ b/drivers/media/platform/exynos4-is/fimc-is.c
@@ -341,7 +341,6 @@ static int fimc_is_alloc_cpu_memory(struct fimc_is *is)
return -ENOMEM;
is->memory.size = FIMC_IS_CPU_MEM_SIZE;
- memset(is->memory.vaddr, 0, is->memory.size);
dev_info(dev, "FIMC-IS CPU memory base: %#x\n", (u32)is->memory.paddr);
--
2.11.0
