Commit 7c845eb5 authored by Joe Perches's avatar Joe Perches Committed by Linus Torvalds

scsi: use pci_zalloc_consistent

Remove the now unnecessary memset too.
Signed-off-by: default avatarJoe Perches <joe@perches.com>
Cc: Adam Radford <linuxraid@lsi.com>
Cc: "James E.J. Bottomley" <JBottomley@parallels.com>
Cc: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Cc: Dario Ballabio <ballabio_dario@emc.com>
Cc: Michael Neuffer <mike@i-Connect.Net>
Cc: "Stephen M. Cameron" <scameron@beardog.cce.hp.com>
Cc: Neela Syam Kolli <megaraidlinux@lsi.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 8ac41b9d
......@@ -683,14 +683,13 @@ static int twl_allocate_memory(TW_Device_Extension *tw_dev, int size, int which)
unsigned long *cpu_addr;
int retval = 1;
cpu_addr = pci_alloc_consistent(tw_dev->tw_pci_dev, size*TW_Q_LENGTH, &dma_handle);
cpu_addr = pci_zalloc_consistent(tw_dev->tw_pci_dev, size * TW_Q_LENGTH,
&dma_handle);
if (!cpu_addr) {
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x5, "Memory allocation failed");
goto out;
}
memset(cpu_addr, 0, size*TW_Q_LENGTH);
for (i = 0; i < TW_Q_LENGTH; i++) {
switch(which) {
case 0:
......
......@@ -1125,23 +1125,19 @@ static int inia100_probe_one(struct pci_dev *pdev,
/* Get total memory needed for SCB */
sz = ORC_MAXQUEUE * sizeof(struct orc_scb);
host->scb_virt = pci_alloc_consistent(pdev, sz,
&host->scb_phys);
host->scb_virt = pci_zalloc_consistent(pdev, sz, &host->scb_phys);
if (!host->scb_virt) {
printk("inia100: SCB memory allocation error\n");
goto out_host_put;
}
memset(host->scb_virt, 0, sz);
/* Get total memory needed for ESCB */
sz = ORC_MAXQUEUE * sizeof(struct orc_extended_scb);
host->escb_virt = pci_alloc_consistent(pdev, sz,
&host->escb_phys);
host->escb_virt = pci_zalloc_consistent(pdev, sz, &host->escb_phys);
if (!host->escb_virt) {
printk("inia100: ESCB memory allocation error\n");
goto out_free_scb_array;
}
memset(host->escb_virt, 0, sz);
biosaddr = host->BIOScfg;
biosaddr = (biosaddr << 4);
......
......@@ -3538,10 +3538,9 @@ static int be_queue_alloc(struct beiscsi_hba *phba, struct be_queue_info *q,
q->len = len;
q->entry_size = entry_size;
mem->size = len * entry_size;
mem->va = pci_alloc_consistent(phba->pcidev, mem->size, &mem->dma);
mem->va = pci_zalloc_consistent(phba->pcidev, mem->size, &mem->dma);
if (!mem->va)
return -ENOMEM;
memset(mem->va, 0, mem->size);
return 0;
}
......@@ -4320,7 +4319,7 @@ static int beiscsi_get_boot_info(struct beiscsi_hba *phba)
"BM_%d : No boot session\n");
return ret;
}
nonemb_cmd.va = pci_alloc_consistent(phba->ctrl.pdev,
nonemb_cmd.va = pci_zalloc_consistent(phba->ctrl.pdev,
sizeof(*session_resp),
&nonemb_cmd.dma);
if (nonemb_cmd.va == NULL) {
......@@ -4332,7 +4331,6 @@ static int beiscsi_get_boot_info(struct beiscsi_hba *phba)
return -ENOMEM;
}
memset(nonemb_cmd.va, 0, sizeof(*session_resp));
tag = mgmt_get_session_info(phba, s_handle,
&nonemb_cmd);
if (!tag) {
......
......@@ -900,13 +900,12 @@ static int mgmt_exec_nonemb_cmd(struct beiscsi_hba *phba,
static int mgmt_alloc_cmd_data(struct beiscsi_hba *phba, struct be_dma_mem *cmd,
int iscsi_cmd, int size)
{
cmd->va = pci_alloc_consistent(phba->ctrl.pdev, size, &cmd->dma);
cmd->va = pci_zalloc_consistent(phba->ctrl.pdev, size, &cmd->dma);
if (!cmd->va) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BG_%d : Failed to allocate memory for if info\n");
return -ENOMEM;
}
memset(cmd->va, 0, size);
cmd->size = size;
be_cmd_hdr_prepare(cmd->va, CMD_SUBSYSTEM_ISCSI, iscsi_cmd, size);
return 0;
......
......@@ -232,7 +232,7 @@ csio_wr_alloc_q(struct csio_hw *hw, uint32_t qsize, uint32_t wrsize,
q = wrm->q_arr[free_idx];
q->vstart = pci_alloc_consistent(hw->pdev, qsz, &q->pstart);
q->vstart = pci_zalloc_consistent(hw->pdev, qsz, &q->pstart);
if (!q->vstart) {
csio_err(hw,
"Failed to allocate DMA memory for "
......@@ -240,12 +240,6 @@ csio_wr_alloc_q(struct csio_hw *hw, uint32_t qsize, uint32_t wrsize,
return -1;
}
/*
* We need to zero out the contents, importantly for ingress,
* since we start with a generatiom bit of 1 for ingress.
*/
memset(q->vstart, 0, qsz);
q->type = type;
q->owner = owner;
q->pidx = q->cidx = q->inc_idx = 0;
......
......@@ -1238,7 +1238,7 @@ static int port_detect(unsigned long port_base, unsigned int j,
struct eata_config *cf;
dma_addr_t cf_dma_addr;
cf = pci_alloc_consistent(pdev, sizeof(struct eata_config),
cf = pci_zalloc_consistent(pdev, sizeof(struct eata_config),
&cf_dma_addr);
if (!cf) {
......@@ -1249,7 +1249,6 @@ static int port_detect(unsigned long port_base, unsigned int j,
}
/* Set board configuration */
memset((char *)cf, 0, sizeof(struct eata_config));
cf->len = (ushort) H2DEV16((ushort) 510);
cf->ocena = 1;
......
......@@ -4732,15 +4732,14 @@ static struct CommandList *cmd_special_alloc(struct ctlr_info *h)
union u64bit temp64;
dma_addr_t cmd_dma_handle, err_dma_handle;
c = pci_alloc_consistent(h->pdev, sizeof(*c), &cmd_dma_handle);
c = pci_zalloc_consistent(h->pdev, sizeof(*c), &cmd_dma_handle);
if (c == NULL)
return NULL;
memset(c, 0, sizeof(*c));
c->cmd_type = CMD_SCSI;
c->cmdindex = -1;
c->err_info = pci_alloc_consistent(h->pdev, sizeof(*c->err_info),
c->err_info = pci_zalloc_consistent(h->pdev, sizeof(*c->err_info),
&err_dma_handle);
if (c->err_info == NULL) {
......@@ -4748,7 +4747,6 @@ static struct CommandList *cmd_special_alloc(struct ctlr_info *h)
sizeof(*c), c, cmd_dma_handle);
return NULL;
}
memset(c->err_info, 0, sizeof(*c->err_info));
INIT_LIST_HEAD(&c->list);
c->busaddr = (u32) cmd_dma_handle;
......
......@@ -998,8 +998,9 @@ megaraid_alloc_cmd_packets(adapter_t *adapter)
* Allocate the common 16-byte aligned memory for the handshake
* mailbox.
*/
raid_dev->una_mbox64 = pci_alloc_consistent(adapter->pdev,
sizeof(mbox64_t), &raid_dev->una_mbox64_dma);
raid_dev->una_mbox64 = pci_zalloc_consistent(adapter->pdev,
sizeof(mbox64_t),
&raid_dev->una_mbox64_dma);
if (!raid_dev->una_mbox64) {
con_log(CL_ANN, (KERN_WARNING
......@@ -1007,7 +1008,6 @@ megaraid_alloc_cmd_packets(adapter_t *adapter)
__LINE__));
return -1;
}
memset(raid_dev->una_mbox64, 0, sizeof(mbox64_t));
/*
* Align the mailbox at 16-byte boundary
......@@ -1026,7 +1026,7 @@ megaraid_alloc_cmd_packets(adapter_t *adapter)
align;
// Allocate memory for commands issued internally
adapter->ibuf = pci_alloc_consistent(pdev, MBOX_IBUF_SIZE,
adapter->ibuf = pci_zalloc_consistent(pdev, MBOX_IBUF_SIZE,
&adapter->ibuf_dma_h);
if (!adapter->ibuf) {
......@@ -1036,7 +1036,6 @@ megaraid_alloc_cmd_packets(adapter_t *adapter)
goto out_free_common_mbox;
}
memset(adapter->ibuf, 0, MBOX_IBUF_SIZE);
// Allocate memory for our SCSI Command Blocks and their associated
// memory
......@@ -2972,7 +2971,7 @@ megaraid_mbox_product_info(adapter_t *adapter)
* Issue an ENQUIRY3 command to find out certain adapter parameters,
* e.g., max channels, max commands etc.
*/
pinfo = pci_alloc_consistent(adapter->pdev, sizeof(mraid_pinfo_t),
pinfo = pci_zalloc_consistent(adapter->pdev, sizeof(mraid_pinfo_t),
&pinfo_dma_h);
if (pinfo == NULL) {
......@@ -2982,7 +2981,6 @@ megaraid_mbox_product_info(adapter_t *adapter)
return -1;
}
memset(pinfo, 0, sizeof(mraid_pinfo_t));
mbox->xferaddr = (uint32_t)adapter->ibuf_dma_h;
memset((void *)adapter->ibuf, 0, MBOX_IBUF_SIZE);
......
......@@ -2038,7 +2038,7 @@ int megasas_sriov_start_heartbeat(struct megasas_instance *instance,
if (initial) {
instance->hb_host_mem =
pci_alloc_consistent(instance->pdev,
pci_zalloc_consistent(instance->pdev,
sizeof(struct MR_CTRL_HB_HOST_MEM),
&instance->hb_host_mem_h);
if (!instance->hb_host_mem) {
......@@ -2048,8 +2048,6 @@ int megasas_sriov_start_heartbeat(struct megasas_instance *instance,
retval = -ENOMEM;
goto out;
}
memset(instance->hb_host_mem, 0,
sizeof(struct MR_CTRL_HB_HOST_MEM));
}
memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
......
......@@ -1915,14 +1915,12 @@ static int mesh_probe(struct macio_dev *mdev, const struct of_device_id *match)
/* We use the PCI APIs for now until the generic one gets fixed
* enough or until we get some macio-specific versions
*/
dma_cmd_space = pci_alloc_consistent(macio_get_pci_dev(mdev),
ms->dma_cmd_size,
&dma_cmd_bus);
dma_cmd_space = pci_zalloc_consistent(macio_get_pci_dev(mdev),
ms->dma_cmd_size, &dma_cmd_bus);
if (dma_cmd_space == NULL) {
printk(KERN_ERR "mesh: can't allocate DMA table\n");
goto out_unmap;
}
memset(dma_cmd_space, 0, ms->dma_cmd_size);
ms->dma_cmds = (struct dbdma_cmd *) DBDMA_ALIGN(dma_cmd_space);
ms->dma_cmd_space = dma_cmd_space;
......
......@@ -142,7 +142,7 @@ static struct mvumi_res *mvumi_alloc_mem_resource(struct mvumi_hba *mhba,
case RESOURCE_UNCACHED_MEMORY:
size = round_up(size, 8);
res->virt_addr = pci_alloc_consistent(mhba->pdev, size,
res->virt_addr = pci_zalloc_consistent(mhba->pdev, size,
&res->bus_addr);
if (!res->virt_addr) {
dev_err(&mhba->pdev->dev,
......@@ -151,7 +151,6 @@ static struct mvumi_res *mvumi_alloc_mem_resource(struct mvumi_hba *mhba,
kfree(res);
return NULL;
}
memset(res->virt_addr, 0, size);
break;
default:
......@@ -258,12 +257,10 @@ static int mvumi_internal_cmd_sgl(struct mvumi_hba *mhba, struct mvumi_cmd *cmd,
if (size == 0)
return 0;
virt_addr = pci_alloc_consistent(mhba->pdev, size, &phy_addr);
virt_addr = pci_zalloc_consistent(mhba->pdev, size, &phy_addr);
if (!virt_addr)
return -1;
memset(virt_addr, 0, size);
m_sg = (struct mvumi_sgl *) &cmd->frame->payload[0];
cmd->frame->sg_counts = 1;
cmd->data_buf = virt_addr;
......
......@@ -116,13 +116,12 @@ int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr,
u64 align_offset = 0;
if (align)
align_offset = (dma_addr_t)align - 1;
mem_virt_alloc =
pci_alloc_consistent(pdev, mem_size + align, &mem_dma_handle);
mem_virt_alloc = pci_zalloc_consistent(pdev, mem_size + align,
&mem_dma_handle);
if (!mem_virt_alloc) {
pm8001_printk("memory allocation error\n");
return -1;
}
memset((void *)mem_virt_alloc, 0, mem_size+align);
*pphys_addr = mem_dma_handle;
phys_align = (*pphys_addr + align_offset) & ~align_offset;
*virt_addr = (void *)mem_virt_alloc + phys_align - *pphys_addr;
......
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