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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>
This commit is contained in:
Joe Perches 2014-08-08 14:24:16 -07:00 committed by Linus Torvalds
parent 7e835084fe
commit 9011a67b2f
3 changed files with 10 additions and 13 deletions
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6
drivers/infiniband/hw/amso1100/c2.c
View File

@ -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,

12
drivers/infiniband/hw/nes/nes_hw.c
View File

@ -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);

5
drivers/infiniband/hw/nes/nes_verbs.c
View File

@ -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",