RE: [PATCH] usb: cdns3: delete repeated clear operations

From: Pawel Laszczak
Date: Mon Mar 29 2021 - 23:44:12 EST


>
>On 21-03-22 07:19:46, Pawel Laszczak wrote:
>> Hi Peter,
>>
>> Can you add this patch to for-usb-next branch.
>>
>
>Feel free add your ACK base on this patch.
>
>Peter
>> Thanks.
>>
>> >
>> >
>> >dma_alloc_coherent already zeroes out memory, so memset is not needed.
>> >
>> >Signed-off-by: Wang Qing <wangqing@xxxxxxxx>
>>
>> Reviewed-by: Pawel Laszczak <pawell@xxxxxxxxxxx>


Acked-by: Pawel Laszczak <pawell@xxxxxxxxxxx>

>>
>> >---
>> > 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
>>
>> Regards,
>> Pawel Laszczak
>
>--
>
>Thanks,
>Peter Chen

Regards,
Pawel Laszczak