* [PATCH -next 00/26] treewide: Use dma_zalloc_coherent
@ 2014-06-15 20:37 Joe Perches
2014-06-15 20:37 ` [PATCH -next 01/26] powerpc: " Joe Perches
2014-06-15 20:37 ` [PATCH -next 26/26] sound: " Joe Perches
0 siblings, 2 replies; 4+ messages in thread
From: Joe Perches @ 2014-06-15 20:37 UTC (permalink / raw)
To: linux-kernel
Cc: linux-wireless, linux-fbdev, linux-scsi, linux-sh, linux-rdma,
linux-arm-msm, dri-devel, linux-usb, linux-mmc, users, linux-nvme,
linux-ide, ath10k, linux-crypto, netdev, dmaengine, wcn36xx,
alsa-devel, linuxppc-dev, e1000-devel
Use the zeroing function instead of dma_alloc_coherent & memset(,0,)
Joe Perches (26):
powerpc: Use dma_zalloc_coherent
sh: Use dma_zalloc_coherent
ata: Use dma_zalloc_coherent
block: Use dma_zalloc_coherent
crypto: Use dma_zalloc_coherent
dma: Use dma_zalloc_coherent
gpu: Use dma_zalloc_coherent
infiniband: Use dma_zalloc_coherent
mmc: Use dma_zalloc_coherent
broadcom: Use dma_zalloc_coherent
hisilicon: Use dma_zalloc_coherent
intel: Use dma_zalloc_coherent
ath: Use dma_zalloc_coherent
rt2x00: Use dma_zalloc_coherent
bfa: Use dma_zalloc_coherent
bnx2fc: Use dma_zalloc_coherent
bnx2i: Use dma_zalloc_coherent
dpt_i2o: Use dma_zalloc_coherent
lpfc: Use dma_zalloc_coherent
megaraid: Use dma_zalloc_coherent
mvsas: Use dma_zalloc_coherent
qla2xxx: Use dma_zalloc_coherent
qla4xxx: Use dma_zalloc_coherent
usb: Use dma_zalloc_coherent
fbdev: Use dma_zalloc_coherent
sound: Use dma_zalloc_coherent
arch/powerpc/platforms/pasemi/dma_lib.c | 8 ++--
arch/powerpc/sysdev/fsl_rmu.c | 9 ++--
arch/sh/mm/consistent.c | 4 +-
drivers/ata/sata_fsl.c | 5 +--
drivers/block/nvme-core.c | 5 +--
drivers/crypto/amcc/crypto4xx_core.c | 8 ++--
drivers/crypto/ixp4xx_crypto.c | 8 ++--
drivers/dma/imx-sdma.c | 5 +--
drivers/dma/mxs-dma.c | 8 ++--
drivers/gpu/drm/drm_pci.c | 6 +--
drivers/infiniband/hw/cxgb3/cxio_hal.c | 7 ++--
drivers/infiniband/hw/mthca/mthca_memfree.c | 5 +--
drivers/infiniband/hw/ocrdma/ocrdma_hw.c | 20 ++++-----
drivers/infiniband/hw/ocrdma/ocrdma_stats.c | 6 +--
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 8 ++--
drivers/mmc/host/msm_sdcc.c | 8 ++--
drivers/net/ethernet/broadcom/bcm63xx_enet.c | 6 +--
drivers/net/ethernet/hisilicon/hix5hd2_gmac.c | 5 +--
drivers/net/ethernet/intel/ixgb/ixgb_main.c | 6 +--
drivers/net/wireless/ath/ath10k/pci.c | 8 +---
drivers/net/wireless/ath/ath10k/wmi.c | 8 +---
drivers/net/wireless/ath/wcn36xx/dxe.c | 6 +--
drivers/net/wireless/rt2x00/rt2x00mmio.c | 8 ++--
drivers/scsi/bfa/bfad_bsg.c | 6 +--
drivers/scsi/bnx2fc/bnx2fc_hwi.c | 59 ++++++++++++---------------
drivers/scsi/bnx2fc/bnx2fc_tgt.c | 51 ++++++++++-------------
drivers/scsi/bnx2i/bnx2i_hwi.c | 14 +++----
drivers/scsi/dpt_i2o.c | 19 ++++-----
drivers/scsi/lpfc/lpfc_bsg.c | 5 +--
drivers/scsi/lpfc/lpfc_init.c | 22 ++++------
drivers/scsi/lpfc/lpfc_mbox.c | 6 +--
drivers/scsi/lpfc/lpfc_sli.c | 14 +++----
drivers/scsi/megaraid/megaraid_sas_fusion.c | 9 ++--
drivers/scsi/mvsas/mv_init.c | 26 +++++-------
drivers/scsi/qla2xxx/qla_init.c | 10 ++---
drivers/scsi/qla4xxx/ql4_init.c | 5 +--
drivers/scsi/qla4xxx/ql4_mbx.c | 21 ++++------
drivers/scsi/qla4xxx/ql4_nx.c | 5 +--
drivers/scsi/qla4xxx/ql4_os.c | 12 +++---
drivers/usb/dwc2/hcd_ddma.c | 20 ++++-----
drivers/usb/host/uhci-hcd.c | 7 ++--
drivers/video/fbdev/da8xx-fb.c | 9 ++--
sound/aoa/soundbus/i2sbus/core.c | 12 ++----
sound/sparc/dbri.c | 6 +--
44 files changed, 197 insertions(+), 308 deletions(-)
--
1.8.1.2.459.gbcd45b4.dirty
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH -next 01/26] powerpc: Use dma_zalloc_coherent
2014-06-15 20:37 [PATCH -next 00/26] treewide: Use dma_zalloc_coherent Joe Perches
@ 2014-06-15 20:37 ` Joe Perches
2014-06-15 20:37 ` [PATCH -next 26/26] sound: " Joe Perches
1 sibling, 0 replies; 4+ messages in thread
From: Joe Perches @ 2014-06-15 20:37 UTC (permalink / raw)
To: linux-kernel; +Cc: Olof Johansson, Paul Mackerras, linuxppc-dev
Use the zeroing function instead of dma_alloc_coherent & memset(,0,)
Signed-off-by: Joe Perches <joe@perches.com>
---
arch/powerpc/platforms/pasemi/dma_lib.c | 8 +++-----
arch/powerpc/sysdev/fsl_rmu.c | 9 ++++-----
2 files changed, 7 insertions(+), 10 deletions(-)
diff --git a/arch/powerpc/platforms/pasemi/dma_lib.c b/arch/powerpc/platforms/pasemi/dma_lib.c
index aafa01ba..52b391f 100644
--- a/arch/powerpc/platforms/pasemi/dma_lib.c
+++ b/arch/powerpc/platforms/pasemi/dma_lib.c
@@ -255,15 +255,13 @@ int pasemi_dma_alloc_ring(struct pasemi_dmachan *chan, int ring_size)
chan->ring_size = ring_size;
- chan->ring_virt = dma_alloc_coherent(&dma_pdev->dev,
- ring_size * sizeof(u64),
- &chan->ring_dma, GFP_KERNEL);
+ chan->ring_virt = dma_zalloc_coherent(&dma_pdev->dev,
+ ring_size * sizeof(u64),
+ &chan->ring_dma, GFP_KERNEL);
if (!chan->ring_virt)
return -ENOMEM;
- memset(chan->ring_virt, 0, ring_size * sizeof(u64));
-
return 0;
}
EXPORT_SYMBOL(pasemi_dma_alloc_ring);
diff --git a/arch/powerpc/sysdev/fsl_rmu.c b/arch/powerpc/sysdev/fsl_rmu.c
index b48197a..34b49fc 100644
--- a/arch/powerpc/sysdev/fsl_rmu.c
+++ b/arch/powerpc/sysdev/fsl_rmu.c
@@ -744,15 +744,14 @@ fsl_open_outb_mbox(struct rio_mport *mport, void *dev_id, int mbox, int entries)
}
/* Initialize outbound message descriptor ring */
- rmu->msg_tx_ring.virt = dma_alloc_coherent(priv->dev,
- rmu->msg_tx_ring.size * RIO_MSG_DESC_SIZE,
- &rmu->msg_tx_ring.phys, GFP_KERNEL);
+ rmu->msg_tx_ring.virt = dma_zalloc_coherent(priv->dev,
+ rmu->msg_tx_ring.size * RIO_MSG_DESC_SIZE,
+ &rmu->msg_tx_ring.phys,
+ GFP_KERNEL);
if (!rmu->msg_tx_ring.virt) {
rc = -ENOMEM;
goto out_dma;
}
- memset(rmu->msg_tx_ring.virt, 0,
- rmu->msg_tx_ring.size * RIO_MSG_DESC_SIZE);
rmu->msg_tx_ring.tx_slot = 0;
/* Point dequeue/enqueue pointers at first entry in ring */
--
1.8.1.2.459.gbcd45b4.dirty
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH -next 26/26] sound: Use dma_zalloc_coherent
2014-06-15 20:37 [PATCH -next 00/26] treewide: Use dma_zalloc_coherent Joe Perches
2014-06-15 20:37 ` [PATCH -next 01/26] powerpc: " Joe Perches
@ 2014-06-15 20:37 ` Joe Perches
2014-06-16 9:40 ` Takashi Iwai
1 sibling, 1 reply; 4+ messages in thread
From: Joe Perches @ 2014-06-15 20:37 UTC (permalink / raw)
To: linux-kernel
Cc: Takashi Iwai, Johannes Berg, linuxppc-dev, alsa-devel,
Jaroslav Kysela
Use the zeroing function instead of dma_alloc_coherent & memset(,0,)
Signed-off-by: Joe Perches <joe@perches.com>
---
sound/aoa/soundbus/i2sbus/core.c | 12 ++++--------
sound/sparc/dbri.c | 6 ++----
2 files changed, 6 insertions(+), 12 deletions(-)
diff --git a/sound/aoa/soundbus/i2sbus/core.c b/sound/aoa/soundbus/i2sbus/core.c
index 4678360..a80d5ea 100644
--- a/sound/aoa/soundbus/i2sbus/core.c
+++ b/sound/aoa/soundbus/i2sbus/core.c
@@ -47,15 +47,11 @@ static int alloc_dbdma_descriptor_ring(struct i2sbus_dev *i2sdev,
/* We use the PCI APIs for now until the generic one gets fixed
* enough or until we get some macio-specific versions
*/
- r->space = dma_alloc_coherent(
- &macio_get_pci_dev(i2sdev->macio)->dev,
- r->size,
- &r->bus_addr,
- GFP_KERNEL);
+ r->space = dma_zalloc_coherent(&macio_get_pci_dev(i2sdev->macio)->dev,
+ r->size, &r->bus_addr, GFP_KERNEL);
+ if (!r->space)
+ return -ENOMEM;
- if (!r->space) return -ENOMEM;
-
- memset(r->space, 0, r->size);
r->cmds = (void*)DBDMA_ALIGN(r->space);
r->bus_cmd_start = r->bus_addr +
(dma_addr_t)((char*)r->cmds - (char*)r->space);
diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c
index be1b1aa..b2c3d0d 100644
--- a/sound/sparc/dbri.c
+++ b/sound/sparc/dbri.c
@@ -2534,12 +2534,10 @@ static int snd_dbri_create(struct snd_card *card,
dbri->op = op;
dbri->irq = irq;
- dbri->dma = dma_alloc_coherent(&op->dev,
- sizeof(struct dbri_dma),
- &dbri->dma_dvma, GFP_ATOMIC);
+ dbri->dma = dma_zalloc_coherent(&op->dev, sizeof(struct dbri_dma),
+ &dbri->dma_dvma, GFP_ATOMIC);
if (!dbri->dma)
return -ENOMEM;
- memset((void *)dbri->dma, 0, sizeof(struct dbri_dma));
dprintk(D_GEN, "DMA Cmd Block 0x%p (0x%08x)\n",
dbri->dma, dbri->dma_dvma);
--
1.8.1.2.459.gbcd45b4.dirty
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH -next 26/26] sound: Use dma_zalloc_coherent
2014-06-15 20:37 ` [PATCH -next 26/26] sound: " Joe Perches
@ 2014-06-16 9:40 ` Takashi Iwai
0 siblings, 0 replies; 4+ messages in thread
From: Takashi Iwai @ 2014-06-16 9:40 UTC (permalink / raw)
To: Joe Perches
Cc: Johannes Berg, linuxppc-dev, linux-kernel, alsa-devel,
Jaroslav Kysela
At Sun, 15 Jun 2014 13:37:55 -0700,
Joe Perches wrote:
>
> Use the zeroing function instead of dma_alloc_coherent & memset(,0,)
>
> Signed-off-by: Joe Perches <joe@perches.com>
Applied, thanks.
Takashi
> ---
> sound/aoa/soundbus/i2sbus/core.c | 12 ++++--------
> sound/sparc/dbri.c | 6 ++----
> 2 files changed, 6 insertions(+), 12 deletions(-)
>
> diff --git a/sound/aoa/soundbus/i2sbus/core.c b/sound/aoa/soundbus/i2sbus/core.c
> index 4678360..a80d5ea 100644
> --- a/sound/aoa/soundbus/i2sbus/core.c
> +++ b/sound/aoa/soundbus/i2sbus/core.c
> @@ -47,15 +47,11 @@ static int alloc_dbdma_descriptor_ring(struct i2sbus_dev *i2sdev,
> /* We use the PCI APIs for now until the generic one gets fixed
> * enough or until we get some macio-specific versions
> */
> - r->space = dma_alloc_coherent(
> - &macio_get_pci_dev(i2sdev->macio)->dev,
> - r->size,
> - &r->bus_addr,
> - GFP_KERNEL);
> + r->space = dma_zalloc_coherent(&macio_get_pci_dev(i2sdev->macio)->dev,
> + r->size, &r->bus_addr, GFP_KERNEL);
> + if (!r->space)
> + return -ENOMEM;
>
> - if (!r->space) return -ENOMEM;
> -
> - memset(r->space, 0, r->size);
> r->cmds = (void*)DBDMA_ALIGN(r->space);
> r->bus_cmd_start = r->bus_addr +
> (dma_addr_t)((char*)r->cmds - (char*)r->space);
> diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c
> index be1b1aa..b2c3d0d 100644
> --- a/sound/sparc/dbri.c
> +++ b/sound/sparc/dbri.c
> @@ -2534,12 +2534,10 @@ static int snd_dbri_create(struct snd_card *card,
> dbri->op = op;
> dbri->irq = irq;
>
> - dbri->dma = dma_alloc_coherent(&op->dev,
> - sizeof(struct dbri_dma),
> - &dbri->dma_dvma, GFP_ATOMIC);
> + dbri->dma = dma_zalloc_coherent(&op->dev, sizeof(struct dbri_dma),
> + &dbri->dma_dvma, GFP_ATOMIC);
> if (!dbri->dma)
> return -ENOMEM;
> - memset((void *)dbri->dma, 0, sizeof(struct dbri_dma));
>
> dprintk(D_GEN, "DMA Cmd Block 0x%p (0x%08x)\n",
> dbri->dma, dbri->dma_dvma);
> --
> 1.8.1.2.459.gbcd45b4.dirty
>
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2014-06-16 9:40 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2014-06-15 20:37 [PATCH -next 00/26] treewide: Use dma_zalloc_coherent Joe Perches
2014-06-15 20:37 ` [PATCH -next 01/26] powerpc: " Joe Perches
2014-06-15 20:37 ` [PATCH -next 26/26] sound: " Joe Perches
2014-06-16 9:40 ` Takashi Iwai
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