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staging: use pci_zalloc_consistent

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Remove the now unnecessary memset too.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Lior Dotan <liodot@gmail.com>
Cc: Christopher Harrer <charrer@alacritech.com>
Cc: Forest Bond <forest@alittletooquiet.net>
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 14:24:48 -07:00 committed by Linus Torvalds
parent 7c845eb5e1
commit 8b983be54b
5 changed files with 44 additions and 93 deletions
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15
drivers/staging/rtl8192e/rtl8192e/rtl_core.c
View File

@ -2065,20 +2065,16 @@ static short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
int i, rx_queue_idx;
for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) {
priv->rx_ring[rx_queue_idx] = pci_alloc_consistent(priv->pdev,
sizeof(*priv->rx_ring[rx_queue_idx]) *
priv->rxringcount,
&priv->rx_ring_dma[rx_queue_idx]);
priv->rx_ring[rx_queue_idx] =
pci_zalloc_consistent(priv->pdev,
sizeof(*priv->rx_ring[rx_queue_idx]) * priv->rxringcount,
&priv->rx_ring_dma[rx_queue_idx]);
if (!priv->rx_ring[rx_queue_idx] ||
(unsigned long)priv->rx_ring[rx_queue_idx] & 0xFF) {
RT_TRACE(COMP_ERR, "Cannot allocate RX ring\n");
return -ENOMEM;
}
memset(priv->rx_ring[rx_queue_idx], 0,
sizeof(*priv->rx_ring[rx_queue_idx]) *
priv->rxringcount);
priv->rx_idx[rx_queue_idx] = 0;
for (i = 0; i < priv->rxringcount; i++) {
@ -2118,14 +2114,13 @@ static int rtl8192_alloc_tx_desc_ring(struct net_device *dev,
dma_addr_t dma;
int i;
ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
ring = pci_zalloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
if (!ring || (unsigned long)ring & 0xFF) {
RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n",
prio);
return -ENOMEM;
}
memset(ring, 0, sizeof(*ring)*entries);
priv->tx_ring[prio].desc = ring;
priv->tx_ring[prio].dma = dma;
priv->tx_ring[prio].idx = 0;

37
drivers/staging/rtl8192ee/pci.c
View File

@ -1224,10 +1224,10 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw,
/* alloc tx buffer desc for new trx flow*/
if (rtlpriv->use_new_trx_flow) {
buffer_desc = pci_alloc_consistent(rtlpci->pdev,
sizeof(*buffer_desc) * entries,
&buffer_desc_dma);
buffer_desc =
pci_zalloc_consistent(rtlpci->pdev,
sizeof(*buffer_desc) * entries,
&buffer_desc_dma);
if (!buffer_desc || (unsigned long)buffer_desc & 0xFF) {
RT_TRACE(COMP_ERR, DBG_EMERG,
("Cannot allocate TX ring (prio = %d)\n",
@ -1235,7 +1235,6 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw,
return -ENOMEM;
}
memset(buffer_desc, 0, sizeof(*buffer_desc) * entries);
rtlpci->tx_ring[prio].buffer_desc = buffer_desc;
rtlpci->tx_ring[prio].buffer_desc_dma = buffer_desc_dma;
@ -1245,16 +1244,14 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw,
}
/* alloc dma for this ring */
desc = pci_alloc_consistent(rtlpci->pdev,
sizeof(*desc) * entries, &desc_dma);
desc = pci_zalloc_consistent(rtlpci->pdev, sizeof(*desc) * entries,
&desc_dma);
if (!desc || (unsigned long)desc & 0xFF) {
RT_TRACE(COMP_ERR, DBG_EMERG,
("Cannot allocate TX ring (prio = %d)\n", prio));
return -ENOMEM;
}
memset(desc, 0, sizeof(*desc) * entries);
rtlpci->tx_ring[prio].desc = desc;
rtlpci->tx_ring[prio].dma = desc_dma;
@ -1290,11 +1287,9 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw, int rxring_idx)
struct rtl_rx_buffer_desc *entry = NULL;
/* alloc dma for this ring */
rtlpci->rx_ring[rxring_idx].buffer_desc =
pci_alloc_consistent(rtlpci->pdev,
sizeof(*rtlpci->rx_ring[rxring_idx].
buffer_desc) *
rtlpci->rxringcount,
&rtlpci->rx_ring[rxring_idx].dma);
pci_zalloc_consistent(rtlpci->pdev,
sizeof(*rtlpci->rx_ring[rxring_idx].buffer_desc) * rtlpci->rxringcount,
&rtlpci->rx_ring[rxring_idx].dma);
if (!rtlpci->rx_ring[rxring_idx].buffer_desc ||
(unsigned long)rtlpci->rx_ring[rxring_idx].buffer_desc & 0xFF) {
RT_TRACE(COMP_ERR, DBG_EMERG,
@ -1302,10 +1297,6 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw, int rxring_idx)
return -ENOMEM;
}
memset(rtlpci->rx_ring[rxring_idx].buffer_desc, 0,
sizeof(*rtlpci->rx_ring[rxring_idx].buffer_desc) *
rtlpci->rxringcount);
/* init every desc in this ring */
rtlpci->rx_ring[rxring_idx].idx = 0;
@ -1320,19 +1311,15 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw, int rxring_idx)
u8 tmp_one = 1;
/* alloc dma for this ring */
rtlpci->rx_ring[rxring_idx].desc =
pci_alloc_consistent(rtlpci->pdev,
sizeof(*rtlpci->rx_ring[rxring_idx].
desc) * rtlpci->rxringcount,
&rtlpci->rx_ring[rxring_idx].dma);
pci_zalloc_consistent(rtlpci->pdev,
sizeof(*rtlpci->rx_ring[rxring_idx].desc) * rtlpci->rxringcount,
&rtlpci->rx_ring[rxring_idx].dma);
if (!rtlpci->rx_ring[rxring_idx].desc ||
(unsigned long)rtlpci->rx_ring[rxring_idx].desc & 0xFF) {
RT_TRACE(COMP_ERR, DBG_EMERG,
("Cannot allocate RX ring\n"));
return -ENOMEM;
}
memset(rtlpci->rx_ring[rxring_idx].desc, 0,
sizeof(*rtlpci->rx_ring[rxring_idx].desc) *
rtlpci->rxringcount);
/* init every desc in this ring */
rtlpci->rx_ring[rxring_idx].idx = 0;

36
drivers/staging/rtl8821ae/pci.c
View File

@ -1248,9 +1248,10 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw,
/* alloc tx buffer desc for new trx flow*/
if (rtlpriv->use_new_trx_flow) {
buffer_desc = pci_alloc_consistent(rtlpci->pdev,
sizeof(*buffer_desc) * entries,
&buffer_desc_dma);
buffer_desc =
pci_zalloc_consistent(rtlpci->pdev,
sizeof(*buffer_desc) * entries,
&buffer_desc_dma);
if (!buffer_desc || (unsigned long)buffer_desc & 0xFF) {
RT_TRACE(COMP_ERR, DBG_EMERG,
@ -1259,7 +1260,6 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw,
return -ENOMEM;
}
memset(buffer_desc, 0, sizeof(*buffer_desc) * entries);
rtlpci->tx_ring[prio].buffer_desc = buffer_desc;
rtlpci->tx_ring[prio].buffer_desc_dma = buffer_desc_dma;
@ -1270,8 +1270,8 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw,
}
/* alloc dma for this ring */
desc = pci_alloc_consistent(rtlpci->pdev,
sizeof(*desc) * entries, &desc_dma);
desc = pci_zalloc_consistent(rtlpci->pdev, sizeof(*desc) * entries,
&desc_dma);
if (!desc || (unsigned long)desc & 0xFF) {
RT_TRACE(COMP_ERR, DBG_EMERG,
@ -1279,7 +1279,6 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw,
return -ENOMEM;
}
memset(desc, 0, sizeof(*desc) * entries);
rtlpci->tx_ring[prio].desc = desc;
rtlpci->tx_ring[prio].dma = desc_dma;
@ -1316,21 +1315,15 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw, int rxring_idx)
struct rtl_rx_buffer_desc *entry = NULL;
/* alloc dma for this ring */
rtlpci->rx_ring[rxring_idx].buffer_desc =
pci_alloc_consistent(rtlpci->pdev,
sizeof(*rtlpci->rx_ring[rxring_idx].
buffer_desc) *
rtlpci->rxringcount,
&rtlpci->rx_ring[rxring_idx].dma);
pci_zalloc_consistent(rtlpci->pdev,
sizeof(*rtlpci->rx_ring[rxring_idx].buffer_desc) * rtlpci->rxringcount,
&rtlpci->rx_ring[rxring_idx].dma);
if (!rtlpci->rx_ring[rxring_idx].buffer_desc ||
(unsigned long)rtlpci->rx_ring[rxring_idx].buffer_desc & 0xFF) {
RT_TRACE(COMP_ERR, DBG_EMERG, ("Cannot allocate RX ring\n"));
return -ENOMEM;
}
memset(rtlpci->rx_ring[rxring_idx].buffer_desc, 0,
sizeof(*rtlpci->rx_ring[rxring_idx].buffer_desc) *
rtlpci->rxringcount);
/* init every desc in this ring */
rtlpci->rx_ring[rxring_idx].idx = 0;
for (i = 0; i < rtlpci->rxringcount; i++) {
@ -1344,10 +1337,9 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw, int rxring_idx)
u8 tmp_one = 1;
/* alloc dma for this ring */
rtlpci->rx_ring[rxring_idx].desc =
pci_alloc_consistent(rtlpci->pdev,
sizeof(*rtlpci->rx_ring[rxring_idx].
desc) * rtlpci->rxringcount,
&rtlpci->rx_ring[rxring_idx].dma);
pci_zalloc_consistent(rtlpci->pdev,
sizeof(*rtlpci->rx_ring[rxring_idx].desc) * rtlpci->rxringcount,
&rtlpci->rx_ring[rxring_idx].dma);
if (!rtlpci->rx_ring[rxring_idx].desc ||
(unsigned long)rtlpci->rx_ring[rxring_idx].desc & 0xFF) {
RT_TRACE(COMP_ERR, DBG_EMERG,
@ -1355,10 +1347,6 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw, int rxring_idx)
return -ENOMEM;
}
memset(rtlpci->rx_ring[rxring_idx].desc, 0,
sizeof(*rtlpci->rx_ring[rxring_idx].desc) *
rtlpci->rxringcount);
/* init every desc in this ring */
rtlpci->rx_ring[rxring_idx].idx = 0;
for (i = 0; i < rtlpci->rxringcount; i++) {

9
drivers/staging/slicoss/slicoss.c
View File

@ -1191,18 +1191,15 @@ static int slic_rspqueue_init(struct adapter *adapter)
rspq->num_pages = SLIC_RSPQ_PAGES_GB;
for (i = 0; i < rspq->num_pages; i++) {
rspq->vaddr[i] = pci_alloc_consistent(adapter->pcidev,
PAGE_SIZE,
&rspq->paddr[i]);
rspq->vaddr[i] = pci_zalloc_consistent(adapter->pcidev,
PAGE_SIZE,
&rspq->paddr[i]);
if (!rspq->vaddr[i]) {
dev_err(&adapter->pcidev->dev,
"pci_alloc_consistent failed\n");
slic_rspqueue_free(adapter);
return -ENOMEM;
}
/* FIXME:
* do we really need this assertions (4K PAGE_SIZE aligned addr)? */
memset(rspq->vaddr[i], 0, PAGE_SIZE);
if (paddrh == 0) {
slic_reg32_write(&slic_regs->slic_rbar,

40
drivers/staging/vt6655/device_main.c
View File

@ -1111,25 +1111,17 @@ static bool device_init_rings(PSDevice pDevice)
void *vir_pool;
/*allocate all RD/TD rings a single pool*/
vir_pool = pci_alloc_consistent(pDevice->pcid,
pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc) +
pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc) +
pDevice->sOpts.nTxDescs[0] * sizeof(STxDesc) +
pDevice->sOpts.nTxDescs[1] * sizeof(STxDesc),
&pDevice->pool_dma);
vir_pool = pci_zalloc_consistent(pDevice->pcid,
pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc) +
pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc) +
pDevice->sOpts.nTxDescs[0] * sizeof(STxDesc) +
pDevice->sOpts.nTxDescs[1] * sizeof(STxDesc),
&pDevice->pool_dma);
if (vir_pool == NULL) {
DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s : allocate desc dma memory failed\n", pDevice->dev->name);
return false;
}
memset(vir_pool, 0,
pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc) +
pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc) +
pDevice->sOpts.nTxDescs[0] * sizeof(STxDesc) +
pDevice->sOpts.nTxDescs[1] * sizeof(STxDesc)
);
pDevice->aRD0Ring = vir_pool;
pDevice->aRD1Ring = vir_pool +
pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc);
@ -1138,13 +1130,12 @@ static bool device_init_rings(PSDevice pDevice)
pDevice->rd1_pool_dma = pDevice->rd0_pool_dma +
pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc);
pDevice->tx0_bufs = pci_alloc_consistent(pDevice->pcid,
pDevice->sOpts.nTxDescs[0] * PKT_BUF_SZ +
pDevice->sOpts.nTxDescs[1] * PKT_BUF_SZ +
CB_BEACON_BUF_SIZE +
CB_MAX_BUF_SIZE,
&pDevice->tx_bufs_dma0);
pDevice->tx0_bufs = pci_zalloc_consistent(pDevice->pcid,
pDevice->sOpts.nTxDescs[0] * PKT_BUF_SZ +
pDevice->sOpts.nTxDescs[1] * PKT_BUF_SZ +
CB_BEACON_BUF_SIZE +
CB_MAX_BUF_SIZE,
&pDevice->tx_bufs_dma0);
if (pDevice->tx0_bufs == NULL) {
DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s: allocate buf dma memory failed\n", pDevice->dev->name);
pci_free_consistent(pDevice->pcid,
@ -1157,13 +1148,6 @@ static bool device_init_rings(PSDevice pDevice)
return false;
}
memset(pDevice->tx0_bufs, 0,
pDevice->sOpts.nTxDescs[0] * PKT_BUF_SZ +
pDevice->sOpts.nTxDescs[1] * PKT_BUF_SZ +
CB_BEACON_BUF_SIZE +
CB_MAX_BUF_SIZE
);
pDevice->td0_pool_dma = pDevice->rd1_pool_dma +
pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc);