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authorJoe Perches <joe@perches.com>2014-08-08 14:24:16 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-08-08 15:57:28 -0700
commit9011a67b2fe9b89048bcba81745ef34394f6f7ab (patch)
tree9b50fb67c738f53423e4f9762f28a9c9d600c35e /drivers/infiniband/hw
parent7e835084fe1fff705be16e1db8a9e5e8f56b9b73 (diff)
downloadop-kernel-dev-9011a67b2fe9b89048bcba81745ef34394f6f7ab.zip
op-kernel-dev-9011a67b2fe9b89048bcba81745ef34394f6f7ab.tar.gz
infiniband: use pci_zalloc_consistent
Remove the now unnecessary memset too. Signed-off-by: Joe Perches <joe@perches.com> Cc: Tom Tucker <tom@opengridcomputing.com> Acked-by: Steve Wise <swise@opengridcomputing.com> Cc: Roland Dreier <roland@kernel.org> Cc: Sean Hefty <sean.hefty@intel.com> Cc: Hal Rosenstock <hal.rosenstock@gmail.com> Cc: Faisal Latif <faisal.latif@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/amso1100/c2.c6
-rw-r--r--drivers/infiniband/hw/nes/nes_hw.c12
-rw-r--r--drivers/infiniband/hw/nes/nes_verbs.c5
3 files changed, 10 insertions, 13 deletions
diff --git a/drivers/infiniband/hw/amso1100/c2.c b/drivers/infiniband/hw/amso1100/c2.c
index 00400c3..766a71c 100644
--- a/drivers/infiniband/hw/amso1100/c2.c
+++ b/drivers/infiniband/hw/amso1100/c2.c
@@ -604,16 +604,14 @@ static int c2_up(struct net_device *netdev)
tx_size = c2_port->tx_ring.count * sizeof(struct c2_tx_desc);
c2_port->mem_size = tx_size + rx_size;
- c2_port->mem = pci_alloc_consistent(c2dev->pcidev, c2_port->mem_size,
- &c2_port->dma);
+ c2_port->mem = pci_zalloc_consistent(c2dev->pcidev, c2_port->mem_size,
+ &c2_port->dma);
if (c2_port->mem == NULL) {
pr_debug("Unable to allocate memory for "
"host descriptor rings\n");
return -ENOMEM;
}
- memset(c2_port->mem, 0, c2_port->mem_size);
-
/* Create the Rx host descriptor ring */
if ((ret =
c2_rx_ring_alloc(&c2_port->rx_ring, c2_port->mem, c2_port->dma,
diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index 9020024..02120d3 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -1003,13 +1003,13 @@ int nes_init_cqp(struct nes_device *nesdev)
(sizeof(struct nes_hw_aeqe) * nesadapter->max_qp) +
sizeof(struct nes_hw_cqp_qp_context);
- nesdev->cqp_vbase = pci_alloc_consistent(nesdev->pcidev, nesdev->cqp_mem_size,
- &nesdev->cqp_pbase);
+ nesdev->cqp_vbase = pci_zalloc_consistent(nesdev->pcidev,
+ nesdev->cqp_mem_size,
+ &nesdev->cqp_pbase);
if (!nesdev->cqp_vbase) {
nes_debug(NES_DBG_INIT, "Unable to allocate memory for host descriptor rings\n");
return -ENOMEM;
}
- memset(nesdev->cqp_vbase, 0, nesdev->cqp_mem_size);
/* Allocate a twice the number of CQP requests as the SQ size */
nesdev->nes_cqp_requests = kzalloc(sizeof(struct nes_cqp_request) *
@@ -1691,13 +1691,13 @@ int nes_init_nic_qp(struct nes_device *nesdev, struct net_device *netdev)
(NES_NIC_WQ_SIZE * 2 * sizeof(struct nes_hw_nic_cqe)) +
sizeof(struct nes_hw_nic_qp_context);
- nesvnic->nic_vbase = pci_alloc_consistent(nesdev->pcidev, nesvnic->nic_mem_size,
- &nesvnic->nic_pbase);
+ nesvnic->nic_vbase = pci_zalloc_consistent(nesdev->pcidev,
+ nesvnic->nic_mem_size,
+ &nesvnic->nic_pbase);
if (!nesvnic->nic_vbase) {
nes_debug(NES_DBG_INIT, "Unable to allocate memory for NIC host descriptor rings\n");
return -ENOMEM;
}
- memset(nesvnic->nic_vbase, 0, nesvnic->nic_mem_size);
nes_debug(NES_DBG_INIT, "Allocated NIC QP structures at %p (phys = %016lX), size = %u.\n",
nesvnic->nic_vbase, (unsigned long)nesvnic->nic_pbase, nesvnic->nic_mem_size);
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 218dd35..fef067c 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -1616,8 +1616,8 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries,
entries, nescq->cq_mem_size, nescq->hw_cq.cq_number);
/* allocate the physical buffer space */
- mem = pci_alloc_consistent(nesdev->pcidev, nescq->cq_mem_size,
- &nescq->hw_cq.cq_pbase);
+ mem = pci_zalloc_consistent(nesdev->pcidev, nescq->cq_mem_size,
+ &nescq->hw_cq.cq_pbase);
if (!mem) {
printk(KERN_ERR PFX "Unable to allocate pci memory for cq\n");
nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num);
@@ -1625,7 +1625,6 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries,
return ERR_PTR(-ENOMEM);
}
- memset(mem, 0, nescq->cq_mem_size);
nescq->hw_cq.cq_vbase = mem;
nescq->hw_cq.cq_head = 0;
nes_debug(NES_DBG_CQ, "CQ%u virtual address @ %p, phys = 0x%08X\n",
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