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usb: cdns3: delete repeated clear operations

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dma_alloc_coherent already zeroes out memory, so memset is not needed.

Signed-off-by: Wang Qing <wangqing@vivo.com>
Reviewed-by: Pawel Laszczak <pawell@cadence.com>
Acked-by: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Peter Chen <peter.chen@kernel.org>
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Wang Qing 2021-03-13 10:41:43 +08:00 committed by Peter Chen
parent 8430e98f2c
commit 8079ebf5ff
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GPG Key ID: 4859298150D671BB
1 changed files with 0 additions and 1 deletions
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drivers/usb/cdns3/cdnsp-mem.c
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@ -1231,7 +1231,6 @@ int cdnsp_mem_init(struct cdnsp_device *pdev)
if (!pdev->dcbaa)
return -ENOMEM;
memset(pdev->dcbaa, 0, sizeof(*pdev->dcbaa));
pdev->dcbaa->dma = dma;
cdnsp_write_64(dma, &pdev->op_regs->dcbaa_ptr);