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Subject[PATCH] usb: cdns3: delete repeated clear operations
Date
dma_alloc_coherent already zeroes out memory, so memset is not needed.

Signed-off-by: Wang Qing <wangqing@vivo.com>
---
drivers/usb/cdns3/cdnsp-mem.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/drivers/usb/cdns3/cdnsp-mem.c b/drivers/usb/cdns3/cdnsp-mem.c
index 7a84e92..1d1b9a4
--- a/drivers/usb/cdns3/cdnsp-mem.c
+++ b/drivers/usb/cdns3/cdnsp-mem.c
@@ -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);
--
2.7.4
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