ata: pdc_adma: Remove call to memset after dmam_alloc_coherent

In commit af7ddd8a627c
("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"),
dmam_alloc_coherent has already zeroed the memory.
So memset is not needed.

Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/ata/pdc_adma.c b/drivers/ata/pdc_adma.c
index 52fa8606a25fe95313cf5e56edb7707dde1f8334..c5bbb07aa7d9d781738c4534bde199bd098ce5bb 100644 (file)
--- a/drivers/ata/pdc_adma.c
+++ b/drivers/ata/pdc_adma.c
@@ -550,7 +550,6 @@ static int adma_port_start(struct ata_port *ap)
                                                (u32)pp->pkt_dma);
                return -ENOMEM;
        }
-       memset(pp->pkt, 0, ADMA_PKT_BYTES);
        ap->private_data = pp;
        adma_reinit_engine(ap);
        return 0;