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60 lines
2.2 KiB
Diff
60 lines
2.2 KiB
Diff
From b7acadaf038740c43515dc1548f43d01cc92823a Mon Sep 17 00:00:00 2001
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From: Himanshu Jha <himanshujha199640@gmail.com>
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Date: Tue, 9 Jan 2018 02:15:31 +0530
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Subject: [PATCH] brcmfmac: Use zeroing memory allocator than allocator/memset
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Use dma_zalloc_coherent for allocating zeroed
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memory and remove unnecessary memset function.
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Generated-by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci
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Suggested-by: Luis R. Rodriguez <mcgrof@kernel.org>
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Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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.../net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 20 ++++++++++----------
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1 file changed, 10 insertions(+), 10 deletions(-)
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
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@@ -1251,14 +1251,14 @@ static int brcmf_pcie_init_scratchbuffer
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u64 address;
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u32 addr;
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- devinfo->shared.scratch = dma_alloc_coherent(&devinfo->pdev->dev,
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- BRCMF_DMA_D2H_SCRATCH_BUF_LEN,
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- &devinfo->shared.scratch_dmahandle, GFP_KERNEL);
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+ devinfo->shared.scratch =
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+ dma_zalloc_coherent(&devinfo->pdev->dev,
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+ BRCMF_DMA_D2H_SCRATCH_BUF_LEN,
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+ &devinfo->shared.scratch_dmahandle,
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+ GFP_KERNEL);
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if (!devinfo->shared.scratch)
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goto fail;
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- memset(devinfo->shared.scratch, 0, BRCMF_DMA_D2H_SCRATCH_BUF_LEN);
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-
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addr = devinfo->shared.tcm_base_address +
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BRCMF_SHARED_DMA_SCRATCH_ADDR_OFFSET;
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address = (u64)devinfo->shared.scratch_dmahandle;
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@@ -1268,14 +1268,14 @@ static int brcmf_pcie_init_scratchbuffer
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BRCMF_SHARED_DMA_SCRATCH_LEN_OFFSET;
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brcmf_pcie_write_tcm32(devinfo, addr, BRCMF_DMA_D2H_SCRATCH_BUF_LEN);
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- devinfo->shared.ringupd = dma_alloc_coherent(&devinfo->pdev->dev,
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- BRCMF_DMA_D2H_RINGUPD_BUF_LEN,
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- &devinfo->shared.ringupd_dmahandle, GFP_KERNEL);
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+ devinfo->shared.ringupd =
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+ dma_zalloc_coherent(&devinfo->pdev->dev,
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+ BRCMF_DMA_D2H_RINGUPD_BUF_LEN,
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+ &devinfo->shared.ringupd_dmahandle,
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+ GFP_KERNEL);
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if (!devinfo->shared.ringupd)
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goto fail;
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- memset(devinfo->shared.ringupd, 0, BRCMF_DMA_D2H_RINGUPD_BUF_LEN);
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-
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addr = devinfo->shared.tcm_base_address +
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BRCMF_SHARED_DMA_RINGUPD_ADDR_OFFSET;
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address = (u64)devinfo->shared.ringupd_dmahandle;
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