* [PATCH -next 00/26] treewide: Use dma_zalloc_coherent
@ 2014-06-15 20:37 Joe Perches
2014-06-15 20:37 ` [PATCH -next 13/26] ath: " Joe Perches
2014-06-15 20:37 ` [PATCH -next 14/26] rt2x00: " 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: linuxppc-dev, linux-sh, linux-ide, linux-nvme, linux-crypto,
dmaengine, dri-devel, linux-rdma, linux-arm-msm, linux-mmc,
netdev, e1000-devel, ath10k, linux-wireless, wcn36xx, users,
linux-scsi, linux-usb, linux-fbdev, alsa-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 13/26] ath: 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
2014-06-16 9:24 ` Kalle Valo
2014-06-15 20:37 ` [PATCH -next 14/26] rt2x00: " Joe Perches
1 sibling, 1 reply; 4+ messages in thread
From: Joe Perches @ 2014-06-15 20:37 UTC (permalink / raw)
To: linux-kernel
Cc: Kalle Valo, John W. Linville, Eugene Krasnikov, ath10k,
linux-wireless, netdev, wcn36xx
Use the zeroing function instead of dma_alloc_coherent & memset(,0,)
Signed-off-by: Joe Perches <joe@perches.com>
---
drivers/net/wireless/ath/ath10k/pci.c | 8 ++------
drivers/net/wireless/ath/ath10k/wmi.c | 8 ++------
drivers/net/wireless/ath/wcn36xx/dxe.c | 6 ++----
3 files changed, 6 insertions(+), 16 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index d0004d5..35045a4 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -359,16 +359,12 @@ static int ath10k_pci_diag_read_mem(struct ath10k *ar, u32 address, void *data,
* 2) Buffer in DMA-able space
*/
orig_nbytes = nbytes;
- data_buf = (unsigned char *)dma_alloc_coherent(ar->dev,
- orig_nbytes,
- &ce_data_base,
- GFP_ATOMIC);
-
+ data_buf = dma_zalloc_coherent(ar->dev, orig_nbytes, &ce_data_base,
+ GFP_ATOMIC);
if (!data_buf) {
ret = -ENOMEM;
goto done;
}
- memset(data_buf, 0, orig_nbytes);
remaining_bytes = orig_nbytes;
ce_data = ce_data_base;
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 4b7782a..0093269 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -1889,17 +1889,13 @@ static int ath10k_wmi_alloc_host_mem(struct ath10k *ar, u32 req_id,
if (!pool_size)
return -EINVAL;
- ar->wmi.mem_chunks[idx].vaddr = dma_alloc_coherent(ar->dev,
- pool_size,
- &paddr,
- GFP_ATOMIC);
+ ar->wmi.mem_chunks[idx].vaddr = dma_zalloc_coherent(ar->dev, pool_size,
+ &paddr, GFP_ATOMIC);
if (!ar->wmi.mem_chunks[idx].vaddr) {
ath10k_warn("failed to allocate memory chunk\n");
return -ENOMEM;
}
- memset(ar->wmi.mem_chunks[idx].vaddr, 0, pool_size);
-
ar->wmi.mem_chunks[idx].paddr = paddr;
ar->wmi.mem_chunks[idx].len = pool_size;
ar->wmi.mem_chunks[idx].req_id = req_id;
diff --git a/drivers/net/wireless/ath/wcn36xx/dxe.c b/drivers/net/wireless/ath/wcn36xx/dxe.c
index 73f12f1..1975a1a 100644
--- a/drivers/net/wireless/ath/wcn36xx/dxe.c
+++ b/drivers/net/wireless/ath/wcn36xx/dxe.c
@@ -177,13 +177,11 @@ static int wcn36xx_dxe_init_descs(struct wcn36xx_dxe_ch *wcn_ch)
int i;
size = wcn_ch->desc_num * sizeof(struct wcn36xx_dxe_desc);
- wcn_ch->cpu_addr = dma_alloc_coherent(NULL, size, &wcn_ch->dma_addr,
- GFP_KERNEL);
+ wcn_ch->cpu_addr = dma_zalloc_coherent(NULL, size, &wcn_ch->dma_addr,
+ GFP_KERNEL);
if (!wcn_ch->cpu_addr)
return -ENOMEM;
- memset(wcn_ch->cpu_addr, 0, size);
-
cur_dxe = (struct wcn36xx_dxe_desc *)wcn_ch->cpu_addr;
cur_ctl = wcn_ch->head_blk_ctl;
--
1.8.1.2.459.gbcd45b4.dirty
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH -next 14/26] rt2x00: 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 13/26] ath: " Joe Perches
@ 2014-06-15 20:37 ` 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: Ivo van Doorn, Helmut Schaa, John W. Linville, linux-wireless,
users, netdev
Use the zeroing function instead of dma_alloc_coherent & memset(,0,)
Signed-off-by: Joe Perches <joe@perches.com>
---
drivers/net/wireless/rt2x00/rt2x00mmio.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/net/wireless/rt2x00/rt2x00mmio.c b/drivers/net/wireless/rt2x00/rt2x00mmio.c
index 6f236ea..f0178fd 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mmio.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mmio.c
@@ -119,14 +119,12 @@ static int rt2x00mmio_alloc_queue_dma(struct rt2x00_dev *rt2x00dev,
/*
* Allocate DMA memory for descriptor and buffer.
*/
- addr = dma_alloc_coherent(rt2x00dev->dev,
- queue->limit * queue->desc_size,
- &dma, GFP_KERNEL);
+ addr = dma_zalloc_coherent(rt2x00dev->dev,
+ queue->limit * queue->desc_size, &dma,
+ GFP_KERNEL);
if (!addr)
return -ENOMEM;
- memset(addr, 0, queue->limit * queue->desc_size);
-
/*
* Initialize all queue entries to contain valid addresses.
*/
--
1.8.1.2.459.gbcd45b4.dirty
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH -next 13/26] ath: Use dma_zalloc_coherent
2014-06-15 20:37 ` [PATCH -next 13/26] ath: " Joe Perches
@ 2014-06-16 9:24 ` Kalle Valo
0 siblings, 0 replies; 4+ messages in thread
From: Kalle Valo @ 2014-06-16 9:24 UTC (permalink / raw)
To: Joe Perches
Cc: linux-kernel, John W. Linville, Eugene Krasnikov, ath10k,
linux-wireless, netdev, wcn36xx
Joe Perches <joe@perches.com> writes:
> Use the zeroing function instead of dma_alloc_coherent & memset(,0,)
>
> Signed-off-by: Joe Perches <joe@perches.com>
For ath10k:
Acked-by: Kalle Valo <kvalo@qca.qualcomm.com>
--
Kalle Valo
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2014-06-16 9:24 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 13/26] ath: " Joe Perches
2014-06-16 9:24 ` Kalle Valo
2014-06-15 20:37 ` [PATCH -next 14/26] rt2x00: " Joe Perches
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