From: Sabyasachi Gupta <sabyasachi.linux@gmail.com>
To: jejb@linux.vnet.ibm.com, martin.petersen@oracle.com, jthumshirn@suse.de
Cc: jrdr.linux@gmail.com, linux-scsi@vger.kernel.org,
linux-kernel@vger.kernel.org, brajeswar.linux@gmail.com
Subject: [PATCH] scsi/mvsas/mv_init.c: Use dma_zalloc_coherent
Date: Wed, 21 Nov 2018 19:18:52 +0530 [thread overview]
Message-ID: <5bf56248.1c69fb81.21a6e.5a72@mx.google.com> (raw)
Replace dma_alloc_coherent + memset with dma_zalloc_coherent
Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@gmail.com>
---
drivers/scsi/mvsas/mv_init.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c
index 3ac3437..495bddb 100644
--- a/drivers/scsi/mvsas/mv_init.c
+++ b/drivers/scsi/mvsas/mv_init.c
@@ -253,33 +253,29 @@ static int mvs_alloc(struct mvs_info *mvi, struct Scsi_Host *shost)
/*
* alloc and init our DMA areas
*/
- mvi->tx = dma_alloc_coherent(mvi->dev,
+ mvi->tx = dma_zalloc_coherent(mvi->dev,
sizeof(*mvi->tx) * MVS_CHIP_SLOT_SZ,
&mvi->tx_dma, GFP_KERNEL);
if (!mvi->tx)
goto err_out;
- memset(mvi->tx, 0, sizeof(*mvi->tx) * MVS_CHIP_SLOT_SZ);
- mvi->rx_fis = dma_alloc_coherent(mvi->dev, MVS_RX_FISL_SZ,
+ mvi->rx_fis = dma_zalloc_coherent(mvi->dev, MVS_RX_FISL_SZ,
&mvi->rx_fis_dma, GFP_KERNEL);
if (!mvi->rx_fis)
goto err_out;
- memset(mvi->rx_fis, 0, MVS_RX_FISL_SZ);
- mvi->rx = dma_alloc_coherent(mvi->dev,
+ mvi->rx = dma_zalloc_coherent(mvi->dev,
sizeof(*mvi->rx) * (MVS_RX_RING_SZ + 1),
&mvi->rx_dma, GFP_KERNEL);
if (!mvi->rx)
goto err_out;
- memset(mvi->rx, 0, sizeof(*mvi->rx) * (MVS_RX_RING_SZ + 1));
mvi->rx[0] = cpu_to_le32(0xfff);
mvi->rx_cons = 0xfff;
- mvi->slot = dma_alloc_coherent(mvi->dev,
+ mvi->slot = dma_zalloc_coherent(mvi->dev,
sizeof(*mvi->slot) * slot_nr,
&mvi->slot_dma, GFP_KERNEL);
if (!mvi->slot)
goto err_out;
- memset(mvi->slot, 0, sizeof(*mvi->slot) * slot_nr);
mvi->bulk_buffer = dma_alloc_coherent(mvi->dev,
TRASH_BUCKET_SIZE,
--
2.7.4
next reply other threads:[~2018-11-21 13:48 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-21 13:48 Sabyasachi Gupta [this message]
2018-12-01 13:10 ` [PATCH] scsi/mvsas/mv_init.c: Use dma_zalloc_coherent Sabyasachi Gupta
2018-12-19 13:19 ` Sabyasachi Gupta
2019-01-04 12:48 ` Sabyasachi Gupta
2019-01-04 13:13 ` John Garry
2019-01-04 15:11 ` Sabyasachi Gupta
2019-01-04 16:04 ` John Garry
2019-01-04 19:49 ` Souptick Joarder
2019-01-07 13:50 ` John Garry
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