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Message-Id: <4053865301d0b0bb3a5c0c47698506ccc3c34169.1403530604.git.joe@perches.com>
Date: Mon, 23 Jun 2014 06:41:30 -0700
From: Joe Perches <joe@...ches.com>
To: linux-kernel@...r.kernel.org
Cc: Chas Williams <chas@....nrl.navy.mil>,
linux-atm-general@...ts.sourceforge.net, netdev@...r.kernel.org
Subject: [PATCH 02/22] atm: Use pci_zalloc_consistent
Remove the now unnecessary memset too.
Signed-off-by: Joe Perches <joe@...ches.com>
---
drivers/atm/he.c | 31 +++++++++++++++----------------
drivers/atm/idt77252.c | 15 ++++++---------
2 files changed, 21 insertions(+), 25 deletions(-)
diff --git a/drivers/atm/he.c b/drivers/atm/he.c
index aa6be26..c39702b 100644
--- a/drivers/atm/he.c
+++ b/drivers/atm/he.c
@@ -533,14 +533,13 @@ static void he_init_tx_lbfp(struct he_dev *he_dev)
static int he_init_tpdrq(struct he_dev *he_dev)
{
- he_dev->tpdrq_base = pci_alloc_consistent(he_dev->pci_dev,
- CONFIG_TPDRQ_SIZE * sizeof(struct he_tpdrq), &he_dev->tpdrq_phys);
+ he_dev->tpdrq_base = pci_zalloc_consistent(he_dev->pci_dev,
+ CONFIG_TPDRQ_SIZE * sizeof(struct he_tpdrq),
+ &he_dev->tpdrq_phys);
if (he_dev->tpdrq_base == NULL) {
hprintk("failed to alloc tpdrq\n");
return -ENOMEM;
}
- memset(he_dev->tpdrq_base, 0,
- CONFIG_TPDRQ_SIZE * sizeof(struct he_tpdrq));
he_dev->tpdrq_tail = he_dev->tpdrq_base;
he_dev->tpdrq_head = he_dev->tpdrq_base;
@@ -804,13 +803,13 @@ static int he_init_group(struct he_dev *he_dev, int group)
goto out_free_rbpl_virt;
}
- he_dev->rbpl_base = pci_alloc_consistent(he_dev->pci_dev,
- CONFIG_RBPL_SIZE * sizeof(struct he_rbp), &he_dev->rbpl_phys);
+ he_dev->rbpl_base = pci_zalloc_consistent(he_dev->pci_dev,
+ CONFIG_RBPL_SIZE * sizeof(struct he_rbp),
+ &he_dev->rbpl_phys);
if (he_dev->rbpl_base == NULL) {
hprintk("failed to alloc rbpl_base\n");
goto out_destroy_rbpl_pool;
}
- memset(he_dev->rbpl_base, 0, CONFIG_RBPL_SIZE * sizeof(struct he_rbp));
INIT_LIST_HEAD(&he_dev->rbpl_outstanding);
@@ -843,13 +842,13 @@ static int he_init_group(struct he_dev *he_dev, int group)
/* rx buffer ready queue */
- he_dev->rbrq_base = pci_alloc_consistent(he_dev->pci_dev,
- CONFIG_RBRQ_SIZE * sizeof(struct he_rbrq), &he_dev->rbrq_phys);
+ he_dev->rbrq_base = pci_zalloc_consistent(he_dev->pci_dev,
+ CONFIG_RBRQ_SIZE * sizeof(struct he_rbrq),
+ &he_dev->rbrq_phys);
if (he_dev->rbrq_base == NULL) {
hprintk("failed to allocate rbrq\n");
goto out_free_rbpl;
}
- memset(he_dev->rbrq_base, 0, CONFIG_RBRQ_SIZE * sizeof(struct he_rbrq));
he_dev->rbrq_head = he_dev->rbrq_base;
he_writel(he_dev, he_dev->rbrq_phys, G0_RBRQ_ST + (group * 16));
@@ -867,13 +866,13 @@ static int he_init_group(struct he_dev *he_dev, int group)
/* tx buffer ready queue */
- he_dev->tbrq_base = pci_alloc_consistent(he_dev->pci_dev,
- CONFIG_TBRQ_SIZE * sizeof(struct he_tbrq), &he_dev->tbrq_phys);
+ he_dev->tbrq_base = pci_zalloc_consistent(he_dev->pci_dev,
+ CONFIG_TBRQ_SIZE * sizeof(struct he_tbrq),
+ &he_dev->tbrq_phys);
if (he_dev->tbrq_base == NULL) {
hprintk("failed to allocate tbrq\n");
goto out_free_rbpq_base;
}
- memset(he_dev->tbrq_base, 0, CONFIG_TBRQ_SIZE * sizeof(struct he_tbrq));
he_dev->tbrq_head = he_dev->tbrq_base;
@@ -1460,13 +1459,13 @@ static int he_start(struct atm_dev *dev)
/* host status page */
- he_dev->hsp = pci_alloc_consistent(he_dev->pci_dev,
- sizeof(struct he_hsp), &he_dev->hsp_phys);
+ he_dev->hsp = pci_zalloc_consistent(he_dev->pci_dev,
+ sizeof(struct he_hsp),
+ &he_dev->hsp_phys);
if (he_dev->hsp == NULL) {
hprintk("failed to allocate host status page\n");
return -ENOMEM;
}
- memset(he_dev->hsp, 0, sizeof(struct he_hsp));
he_writel(he_dev, he_dev->hsp_phys, HSP_BA);
/* initialize framer */
diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
index b621f56..2b24ed0 100644
--- a/drivers/atm/idt77252.c
+++ b/drivers/atm/idt77252.c
@@ -641,13 +641,11 @@ alloc_scq(struct idt77252_dev *card, int class)
scq = kzalloc(sizeof(struct scq_info), GFP_KERNEL);
if (!scq)
return NULL;
- scq->base = pci_alloc_consistent(card->pcidev, SCQ_SIZE,
- &scq->paddr);
+ scq->base = pci_zalloc_consistent(card->pcidev, SCQ_SIZE, &scq->paddr);
if (scq->base == NULL) {
kfree(scq);
return NULL;
}
- memset(scq->base, 0, SCQ_SIZE);
scq->next = scq->base;
scq->last = scq->base + (SCQ_ENTRIES - 1);
@@ -972,13 +970,12 @@ init_rsq(struct idt77252_dev *card)
{
struct rsq_entry *rsqe;
- card->rsq.base = pci_alloc_consistent(card->pcidev, RSQSIZE,
- &card->rsq.paddr);
+ card->rsq.base = pci_zalloc_consistent(card->pcidev, RSQSIZE,
+ &card->rsq.paddr);
if (card->rsq.base == NULL) {
printk("%s: can't allocate RSQ.\n", card->name);
return -1;
}
- memset(card->rsq.base, 0, RSQSIZE);
card->rsq.last = card->rsq.base + RSQ_NUM_ENTRIES - 1;
card->rsq.next = card->rsq.last;
@@ -3400,14 +3397,14 @@ static int init_card(struct atm_dev *dev)
writel(0, SAR_REG_GP);
/* Initialize RAW Cell Handle Register */
- card->raw_cell_hnd = pci_alloc_consistent(card->pcidev, 2 * sizeof(u32),
- &card->raw_cell_paddr);
+ card->raw_cell_hnd = pci_zalloc_consistent(card->pcidev,
+ 2 * sizeof(u32),
+ &card->raw_cell_paddr);
if (!card->raw_cell_hnd) {
printk("%s: memory allocation failure.\n", card->name);
deinit_card(card);
return -1;
}
- memset(card->raw_cell_hnd, 0, 2 * sizeof(u32));
writel(card->raw_cell_paddr, SAR_REG_RAWHND);
IPRINTK("%s: raw cell handle is at 0x%p.\n", card->name,
card->raw_cell_hnd);
--
1.8.1.2.459.gbcd45b4.dirty
--
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