From ede23fa8161c1a04aa1b3bf5447812ca14b3fef1 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Mon, 26 Aug 2013 22:45:23 -0700 Subject: [PATCH] drivers:net: Convert dma_alloc_coherent(...__GFP_ZERO) to dma_zalloc_coherent __GFP_ZERO is an uncommon flag and perhaps is better not used. static inline dma_zalloc_coherent exists so convert the uses of dma_alloc_coherent with __GFP_ZERO to the more common kernel style with zalloc. Remove memset from the static inline dma_zalloc_coherent and add just one use of __GFP_ZERO instead. Trivially reduces the size of the existing uses of dma_zalloc_coherent. Realign arguments as appropriate. Signed-off-by: Joe Perches Acked-by: Neil Horman Acked-by: Jesse Brandeburg Acked-by: Jeff Kirsher Signed-off-by: David S. Miller --- drivers/net/ethernet/aeroflex/greth.c | 12 ++++---- drivers/net/ethernet/broadcom/bcm63xx_enet.c | 6 ++-- drivers/net/ethernet/broadcom/bnx2.c | 5 ++-- drivers/net/ethernet/broadcom/bnx2x/bnx2x.h | 5 ++-- .../net/ethernet/broadcom/bnx2x/bnx2x_cmn.h | 3 +- drivers/net/ethernet/broadcom/tg3.c | 23 +++++++-------- drivers/net/ethernet/emulex/benet/be_main.c | 18 ++++++------ drivers/net/ethernet/faraday/ftgmac100.c | 7 ++--- drivers/net/ethernet/faraday/ftmac100.c | 8 ++--- drivers/net/ethernet/ibm/emac/mal.c | 4 +-- .../net/ethernet/intel/e1000/e1000_ethtool.c | 8 ++--- drivers/net/ethernet/intel/ixgb/ixgb_main.c | 4 +-- drivers/net/ethernet/marvell/pxa168_eth.c | 19 ++++++------ .../net/ethernet/myricom/myri10ge/myri10ge.c | 6 ++-- .../ethernet/oki-semi/pch_gbe/pch_gbe_main.c | 16 +++++----- drivers/net/ethernet/pasemi/pasemi_mac.c | 7 ++--- .../net/ethernet/qlogic/qlcnic/qlcnic_ctx.c | 29 +++++++++---------- drivers/net/ethernet/sfc/nic.c | 5 ++-- drivers/net/ethernet/sgi/meth.c | 5 ++-- drivers/net/ethernet/tundra/tsi108_eth.c | 8 ++--- drivers/net/ethernet/xilinx/ll_temac_main.c | 12 ++++---- .../net/ethernet/xilinx/xilinx_axienet_main.c | 14 ++++----- drivers/net/fddi/defxx.c | 6 ++-- drivers/net/irda/ali-ircc.c | 8 ++--- drivers/net/irda/nsc-ircc.c | 8 ++--- drivers/net/irda/smsc-ircc2.c | 8 ++--- drivers/net/irda/via-ircc.c | 8 ++--- drivers/net/irda/w83977af_ir.c | 8 ++--- drivers/net/wireless/b43/dma.c | 6 ++-- drivers/net/wireless/b43legacy/dma.c | 7 ++--- include/linux/dma-mapping.h | 5 ++-- 31 files changed, 135 insertions(+), 153 deletions(-) diff --git a/drivers/net/ethernet/aeroflex/greth.c b/drivers/net/ethernet/aeroflex/greth.c index 7ff4b30d55ea..e06694555144 100644 --- a/drivers/net/ethernet/aeroflex/greth.c +++ b/drivers/net/ethernet/aeroflex/greth.c @@ -1464,18 +1464,18 @@ static int greth_of_probe(struct platform_device *ofdev) } /* Allocate TX descriptor ring in coherent memory */ - greth->tx_bd_base = dma_alloc_coherent(greth->dev, 1024, - &greth->tx_bd_base_phys, - GFP_KERNEL | __GFP_ZERO); + greth->tx_bd_base = dma_zalloc_coherent(greth->dev, 1024, + &greth->tx_bd_base_phys, + GFP_KERNEL); if (!greth->tx_bd_base) { err = -ENOMEM; goto error3; } /* Allocate RX descriptor ring in coherent memory */ - greth->rx_bd_base = dma_alloc_coherent(greth->dev, 1024, - &greth->rx_bd_base_phys, - GFP_KERNEL | __GFP_ZERO); + greth->rx_bd_base = dma_zalloc_coherent(greth->dev, 1024, + &greth->rx_bd_base_phys, + GFP_KERNEL); if (!greth->rx_bd_base) { err = -ENOMEM; goto error4; diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c b/drivers/net/ethernet/broadcom/bcm63xx_enet.c index 190219e02400..98b68703c53d 100644 --- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c +++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c @@ -948,8 +948,7 @@ static int bcm_enet_open(struct net_device *dev) /* allocate rx dma ring */ size = priv->rx_ring_size * sizeof(struct bcm_enet_desc); - p = dma_alloc_coherent(kdev, size, &priv->rx_desc_dma, - GFP_KERNEL | __GFP_ZERO); + p = dma_zalloc_coherent(kdev, size, &priv->rx_desc_dma, GFP_KERNEL); if (!p) { ret = -ENOMEM; goto out_freeirq_tx; @@ -960,8 +959,7 @@ static int bcm_enet_open(struct net_device *dev) /* allocate tx dma ring */ size = priv->tx_ring_size * sizeof(struct bcm_enet_desc); - p = dma_alloc_coherent(kdev, size, &priv->tx_desc_dma, - GFP_KERNEL | __GFP_ZERO); + p = dma_zalloc_coherent(kdev, size, &priv->tx_desc_dma, GFP_KERNEL); if (!p) { ret = -ENOMEM; goto out_free_rx_ring; diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index 4148058cef81..e838a3f74b69 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -853,9 +853,8 @@ bnx2_alloc_mem(struct bnx2 *bp) bp->status_stats_size = status_blk_size + sizeof(struct statistics_block); - status_blk = dma_alloc_coherent(&bp->pdev->dev, bp->status_stats_size, - &bp->status_blk_mapping, - GFP_KERNEL | __GFP_ZERO); + status_blk = dma_zalloc_coherent(&bp->pdev->dev, bp->status_stats_size, + &bp->status_blk_mapping, GFP_KERNEL); if (status_blk == NULL) goto alloc_mem_err; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index 12202f81735c..3e77a1b1a44a 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -2069,9 +2069,8 @@ static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms, void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, u8 idu_sb_id, bool is_pf); -#define BNX2X_ILT_ZALLOC(x, y, size) \ - x = dma_alloc_coherent(&bp->pdev->dev, size, y, \ - GFP_KERNEL | __GFP_ZERO) +#define BNX2X_ILT_ZALLOC(x, y, size) \ + x = dma_zalloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL) #define BNX2X_ILT_FREE(x, y, size) \ do { \ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h index 38be494ffa6e..affb7646241e 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h @@ -51,8 +51,7 @@ extern int int_mode; #define BNX2X_PCI_ALLOC(x, y, size) \ do { \ - x = dma_alloc_coherent(&bp->pdev->dev, size, y, \ - GFP_KERNEL | __GFP_ZERO); \ + x = dma_zalloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \ if (x == NULL) \ goto alloc_mem_err; \ DP(NETIF_MSG_HW, "BNX2X_PCI_ALLOC: Physical %Lx Virtual %p\n", \ diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 95b8995187d7..2e55ee29cf13 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -8591,10 +8591,10 @@ static int tg3_mem_rx_acquire(struct tg3 *tp) if (!i && tg3_flag(tp, ENABLE_RSS)) continue; - tnapi->rx_rcb = dma_alloc_coherent(&tp->pdev->dev, - TG3_RX_RCB_RING_BYTES(tp), - &tnapi->rx_rcb_mapping, - GFP_KERNEL | __GFP_ZERO); + tnapi->rx_rcb = dma_zalloc_coherent(&tp->pdev->dev, + TG3_RX_RCB_RING_BYTES(tp), + &tnapi->rx_rcb_mapping, + GFP_KERNEL); if (!tnapi->rx_rcb) goto err_out; } @@ -8643,10 +8643,9 @@ static int tg3_alloc_consistent(struct tg3 *tp) { int i; - tp->hw_stats = dma_alloc_coherent(&tp->pdev->dev, - sizeof(struct tg3_hw_stats), - &tp->stats_mapping, - GFP_KERNEL | __GFP_ZERO); + tp->hw_stats = dma_zalloc_coherent(&tp->pdev->dev, + sizeof(struct tg3_hw_stats), + &tp->stats_mapping, GFP_KERNEL); if (!tp->hw_stats) goto err_out; @@ -8654,10 +8653,10 @@ static int tg3_alloc_consistent(struct tg3 *tp) struct tg3_napi *tnapi = &tp->napi[i]; struct tg3_hw_status *sblk; - tnapi->hw_status = dma_alloc_coherent(&tp->pdev->dev, - TG3_HW_STATUS_SIZE, - &tnapi->status_mapping, - GFP_KERNEL | __GFP_ZERO); + tnapi->hw_status = dma_zalloc_coherent(&tp->pdev->dev, + TG3_HW_STATUS_SIZE, + &tnapi->status_mapping, + GFP_KERNEL); if (!tnapi->hw_status) goto err_out; diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 50116f8ed576..39e0a7697a81 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -145,8 +145,8 @@ static int be_queue_alloc(struct be_adapter *adapter, struct be_queue_info *q, q->len = len; q->entry_size = entry_size; mem->size = len * entry_size; - mem->va = dma_alloc_coherent(&adapter->pdev->dev, mem->size, &mem->dma, - GFP_KERNEL | __GFP_ZERO); + mem->va = dma_zalloc_coherent(&adapter->pdev->dev, mem->size, &mem->dma, + GFP_KERNEL); if (!mem->va) return -ENOMEM; return 0; @@ -2642,8 +2642,8 @@ static int be_setup_wol(struct be_adapter *adapter, bool enable) memset(mac, 0, ETH_ALEN); cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); - cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma, - GFP_KERNEL | __GFP_ZERO); + cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma, + GFP_KERNEL); if (cmd.va == NULL) return -1; @@ -3946,9 +3946,9 @@ static int be_ctrl_init(struct be_adapter *adapter) memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox)); rx_filter->size = sizeof(struct be_cmd_req_rx_filter); - rx_filter->va = dma_alloc_coherent(&adapter->pdev->dev, rx_filter->size, - &rx_filter->dma, - GFP_KERNEL | __GFP_ZERO); + rx_filter->va = dma_zalloc_coherent(&adapter->pdev->dev, + rx_filter->size, &rx_filter->dma, + GFP_KERNEL); if (rx_filter->va == NULL) { status = -ENOMEM; goto free_mbox; @@ -3994,8 +3994,8 @@ static int be_stats_init(struct be_adapter *adapter) /* BE3 and Skyhawk */ cmd->size = sizeof(struct be_cmd_req_get_stats_v1); - cmd->va = dma_alloc_coherent(&adapter->pdev->dev, cmd->size, &cmd->dma, - GFP_KERNEL | __GFP_ZERO); + cmd->va = dma_zalloc_coherent(&adapter->pdev->dev, cmd->size, &cmd->dma, + GFP_KERNEL); if (cmd->va == NULL) return -1; return 0; diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c index 934e1ae279f0..212f44b3a773 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.c +++ b/drivers/net/ethernet/faraday/ftgmac100.c @@ -778,10 +778,9 @@ static int ftgmac100_alloc_buffers(struct ftgmac100 *priv) { int i; - priv->descs = dma_alloc_coherent(priv->dev, - sizeof(struct ftgmac100_descs), - &priv->descs_dma_addr, - GFP_KERNEL | __GFP_ZERO); + priv->descs = dma_zalloc_coherent(priv->dev, + sizeof(struct ftgmac100_descs), + &priv->descs_dma_addr, GFP_KERNEL); if (!priv->descs) return -ENOMEM; diff --git a/drivers/net/ethernet/faraday/ftmac100.c b/drivers/net/ethernet/faraday/ftmac100.c index 4658f4cc1969..8be5b40c0a12 100644 --- a/drivers/net/ethernet/faraday/ftmac100.c +++ b/drivers/net/ethernet/faraday/ftmac100.c @@ -732,10 +732,10 @@ static int ftmac100_alloc_buffers(struct ftmac100 *priv) { int i; - priv->descs = dma_alloc_coherent(priv->dev, - sizeof(struct ftmac100_descs), - &priv->descs_dma_addr, - GFP_KERNEL | __GFP_ZERO); + priv->descs = dma_zalloc_coherent(priv->dev, + sizeof(struct ftmac100_descs), + &priv->descs_dma_addr, + GFP_KERNEL); if (!priv->descs) return -ENOMEM; diff --git a/drivers/net/ethernet/ibm/emac/mal.c b/drivers/net/ethernet/ibm/emac/mal.c index 856ea66c9223..dac564c25440 100644 --- a/drivers/net/ethernet/ibm/emac/mal.c +++ b/drivers/net/ethernet/ibm/emac/mal.c @@ -637,8 +637,8 @@ static int mal_probe(struct platform_device *ofdev) bd_size = sizeof(struct mal_descriptor) * (NUM_TX_BUFF * mal->num_tx_chans + NUM_RX_BUFF * mal->num_rx_chans); - mal->bd_virt = dma_alloc_coherent(&ofdev->dev, bd_size, &mal->bd_dma, - GFP_KERNEL | __GFP_ZERO); + mal->bd_virt = dma_zalloc_coherent(&ofdev->dev, bd_size, &mal->bd_dma, + GFP_KERNEL); if (mal->bd_virt == NULL) { err = -ENOMEM; goto fail_unmap; diff --git a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c index 82a967c95598..73a8aeefb92a 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c +++ b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c @@ -1019,8 +1019,8 @@ static int e1000_setup_desc_rings(struct e1000_adapter *adapter) txdr->size = txdr->count * sizeof(struct e1000_tx_desc); txdr->size = ALIGN(txdr->size, 4096); - txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma, - GFP_KERNEL | __GFP_ZERO); + txdr->desc = dma_zalloc_coherent(&pdev->dev, txdr->size, &txdr->dma, + GFP_KERNEL); if (!txdr->desc) { ret_val = 2; goto err_nomem; @@ -1077,8 +1077,8 @@ static int e1000_setup_desc_rings(struct e1000_adapter *adapter) } rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc); - rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma, - GFP_KERNEL | __GFP_ZERO); + rxdr->desc = dma_zalloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma, + GFP_KERNEL); if (!rxdr->desc) { ret_val = 6; goto err_nomem; diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_main.c b/drivers/net/ethernet/intel/ixgb/ixgb_main.c index fce3e92f9d11..9f6b236828e6 100644 --- a/drivers/net/ethernet/intel/ixgb/ixgb_main.c +++ b/drivers/net/ethernet/intel/ixgb/ixgb_main.c @@ -718,8 +718,8 @@ ixgb_setup_tx_resources(struct ixgb_adapter *adapter) txdr->size = txdr->count * sizeof(struct ixgb_tx_desc); txdr->size = ALIGN(txdr->size, 4096); - txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma, - GFP_KERNEL | __GFP_ZERO); + txdr->desc = dma_zalloc_coherent(&pdev->dev, txdr->size, &txdr->dma, + GFP_KERNEL); if (!txdr->desc) { vfree(txdr->buffer_info); return -ENOMEM; diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c index db481477bcc5..3e69febe377e 100644 --- a/drivers/net/ethernet/marvell/pxa168_eth.c +++ b/drivers/net/ethernet/marvell/pxa168_eth.c @@ -583,10 +583,9 @@ static int init_hash_table(struct pxa168_eth_private *pep) * table is full. */ if (pep->htpr == NULL) { - pep->htpr = dma_alloc_coherent(pep->dev->dev.parent, - HASH_ADDR_TABLE_SIZE, - &pep->htpr_dma, - GFP_KERNEL | __GFP_ZERO); + pep->htpr = dma_zalloc_coherent(pep->dev->dev.parent, + HASH_ADDR_TABLE_SIZE, + &pep->htpr_dma, GFP_KERNEL); if (pep->htpr == NULL) return -ENOMEM; } else { @@ -1024,9 +1023,9 @@ static int rxq_init(struct net_device *dev) pep->rx_desc_count = 0; size = pep->rx_ring_size * sizeof(struct rx_desc); pep->rx_desc_area_size = size; - pep->p_rx_desc_area = dma_alloc_coherent(pep->dev->dev.parent, size, - &pep->rx_desc_dma, - GFP_KERNEL | __GFP_ZERO); + pep->p_rx_desc_area = dma_zalloc_coherent(pep->dev->dev.parent, size, + &pep->rx_desc_dma, + GFP_KERNEL); if (!pep->p_rx_desc_area) goto out; @@ -1085,9 +1084,9 @@ static int txq_init(struct net_device *dev) pep->tx_desc_count = 0; size = pep->tx_ring_size * sizeof(struct tx_desc); pep->tx_desc_area_size = size; - pep->p_tx_desc_area = dma_alloc_coherent(pep->dev->dev.parent, size, - &pep->tx_desc_dma, - GFP_KERNEL | __GFP_ZERO); + pep->p_tx_desc_area = dma_zalloc_coherent(pep->dev->dev.parent, size, + &pep->tx_desc_dma, + GFP_KERNEL); if (!pep->p_tx_desc_area) goto out; /* Initialize the next_desc_ptr links in the Tx descriptors ring */ diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c index 50a1d4a04eb0..149355b52ad0 100644 --- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c +++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c @@ -3783,9 +3783,9 @@ static int myri10ge_alloc_slices(struct myri10ge_priv *mgp) for (i = 0; i < mgp->num_slices; i++) { ss = &mgp->ss[i]; bytes = mgp->max_intr_slots * sizeof(*ss->rx_done.entry); - ss->rx_done.entry = dma_alloc_coherent(&pdev->dev, bytes, - &ss->rx_done.bus, - GFP_KERNEL | __GFP_ZERO); + ss->rx_done.entry = dma_zalloc_coherent(&pdev->dev, bytes, + &ss->rx_done.bus, + GFP_KERNEL); if (ss->rx_done.entry == NULL) goto abort; bytes = sizeof(*ss->fw_stats); diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c index e19f1be60d5e..5a0f04c2c813 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c +++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c @@ -1491,9 +1491,9 @@ pch_gbe_alloc_rx_buffers_pool(struct pch_gbe_adapter *adapter, bufsz = adapter->rx_buffer_len; size = rx_ring->count * bufsz + PCH_GBE_RESERVE_MEMORY; - rx_ring->rx_buff_pool = dma_alloc_coherent(&pdev->dev, size, - &rx_ring->rx_buff_pool_logic, - GFP_KERNEL | __GFP_ZERO); + rx_ring->rx_buff_pool = + dma_zalloc_coherent(&pdev->dev, size, + &rx_ring->rx_buff_pool_logic, GFP_KERNEL); if (!rx_ring->rx_buff_pool) return -ENOMEM; @@ -1807,9 +1807,8 @@ int pch_gbe_setup_tx_resources(struct pch_gbe_adapter *adapter, tx_ring->size = tx_ring->count * (int)sizeof(struct pch_gbe_tx_desc); - tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size, - &tx_ring->dma, - GFP_KERNEL | __GFP_ZERO); + tx_ring->desc = dma_zalloc_coherent(&pdev->dev, tx_ring->size, + &tx_ring->dma, GFP_KERNEL); if (!tx_ring->desc) { vfree(tx_ring->buffer_info); return -ENOMEM; @@ -1852,9 +1851,8 @@ int pch_gbe_setup_rx_resources(struct pch_gbe_adapter *adapter, return -ENOMEM; rx_ring->size = rx_ring->count * (int)sizeof(struct pch_gbe_rx_desc); - rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size, - &rx_ring->dma, - GFP_KERNEL | __GFP_ZERO); + rx_ring->desc = dma_zalloc_coherent(&pdev->dev, rx_ring->size, + &rx_ring->dma, GFP_KERNEL); if (!rx_ring->desc) { vfree(rx_ring->buffer_info); return -ENOMEM; diff --git a/drivers/net/ethernet/pasemi/pasemi_mac.c b/drivers/net/ethernet/pasemi/pasemi_mac.c index f21ae7b6c766..c498181a9aa8 100644 --- a/drivers/net/ethernet/pasemi/pasemi_mac.c +++ b/drivers/net/ethernet/pasemi/pasemi_mac.c @@ -440,10 +440,9 @@ static int pasemi_mac_setup_rx_resources(const struct net_device *dev) if (pasemi_dma_alloc_ring(&ring->chan, RX_RING_SIZE)) goto out_ring_desc; - ring->buffers = dma_alloc_coherent(&mac->dma_pdev->dev, - RX_RING_SIZE * sizeof(u64), - &ring->buf_dma, - GFP_KERNEL | __GFP_ZERO); + ring->buffers = dma_zalloc_coherent(&mac->dma_pdev->dev, + RX_RING_SIZE * sizeof(u64), + &ring->buf_dma, GFP_KERNEL); if (!ring->buffers) goto out_ring_desc; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c index bf3b17eaf8b8..86850dd633a1 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c @@ -448,14 +448,14 @@ int qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter, *(tx_ring->hw_consumer) = 0; rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx); - rq_addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size, - &rq_phys_addr, GFP_KERNEL | __GFP_ZERO); + rq_addr = dma_zalloc_coherent(&adapter->pdev->dev, rq_size, + &rq_phys_addr, GFP_KERNEL); if (!rq_addr) return -ENOMEM; rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx); - rsp_addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size, - &rsp_phys_addr, GFP_KERNEL | __GFP_ZERO); + rsp_addr = dma_zalloc_coherent(&adapter->pdev->dev, rsp_size, + &rsp_phys_addr, GFP_KERNEL); if (!rsp_addr) { err = -ENOMEM; goto out_free_rq; @@ -865,8 +865,8 @@ int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args cmd; size_t nic_size = sizeof(struct qlcnic_info_le); - nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size, - &nic_dma_t, GFP_KERNEL | __GFP_ZERO); + nic_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, nic_size, + &nic_dma_t, GFP_KERNEL); if (!nic_info_addr) return -ENOMEM; @@ -919,8 +919,8 @@ int qlcnic_82xx_set_nic_info(struct qlcnic_adapter *adapter, if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) return err; - nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size, - &nic_dma_t, GFP_KERNEL | __GFP_ZERO); + nic_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, nic_size, + &nic_dma_t, GFP_KERNEL); if (!nic_info_addr) return -ENOMEM; @@ -972,9 +972,8 @@ int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter, size_t npar_size = sizeof(struct qlcnic_pci_info_le); size_t pci_size = npar_size * QLCNIC_MAX_PCI_FUNC; - pci_info_addr = dma_alloc_coherent(&adapter->pdev->dev, pci_size, - &pci_info_dma_t, - GFP_KERNEL | __GFP_ZERO); + pci_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, pci_size, + &pci_info_dma_t, GFP_KERNEL); if (!pci_info_addr) return -ENOMEM; @@ -1074,8 +1073,8 @@ int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func, return -EIO; } - stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size, - &stats_dma_t, GFP_KERNEL | __GFP_ZERO); + stats_addr = dma_zalloc_coherent(&adapter->pdev->dev, stats_size, + &stats_dma_t, GFP_KERNEL); if (!stats_addr) return -ENOMEM; @@ -1130,8 +1129,8 @@ int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter, if (mac_stats == NULL) return -ENOMEM; - stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size, - &stats_dma_t, GFP_KERNEL | __GFP_ZERO); + stats_addr = dma_zalloc_coherent(&adapter->pdev->dev, stats_size, + &stats_dma_t, GFP_KERNEL); if (!stats_addr) return -ENOMEM; diff --git a/drivers/net/ethernet/sfc/nic.c b/drivers/net/ethernet/sfc/nic.c index b9b127743a07..78d413312052 100644 --- a/drivers/net/ethernet/sfc/nic.c +++ b/drivers/net/ethernet/sfc/nic.c @@ -33,9 +33,8 @@ int efx_nic_alloc_buffer(struct efx_nic *efx, struct efx_buffer *buffer, unsigned int len, gfp_t gfp_flags) { - buffer->addr = dma_alloc_coherent(&efx->pci_dev->dev, len, - &buffer->dma_addr, - gfp_flags | __GFP_ZERO); + buffer->addr = dma_zalloc_coherent(&efx->pci_dev->dev, len, + &buffer->dma_addr, gfp_flags); if (!buffer->addr) return -ENOMEM; buffer->len = len; diff --git a/drivers/net/ethernet/sgi/meth.c b/drivers/net/ethernet/sgi/meth.c index 9f5f35e041ac..770036bc2d87 100644 --- a/drivers/net/ethernet/sgi/meth.c +++ b/drivers/net/ethernet/sgi/meth.c @@ -212,9 +212,8 @@ static void meth_check_link(struct net_device *dev) static int meth_init_tx_ring(struct meth_private *priv) { /* Init TX ring */ - priv->tx_ring = dma_alloc_coherent(NULL, TX_RING_BUFFER_SIZE, - &priv->tx_ring_dma, - GFP_ATOMIC | __GFP_ZERO); + priv->tx_ring = dma_zalloc_coherent(NULL, TX_RING_BUFFER_SIZE, + &priv->tx_ring_dma, GFP_ATOMIC); if (!priv->tx_ring) return -ENOMEM; diff --git a/drivers/net/ethernet/tundra/tsi108_eth.c b/drivers/net/ethernet/tundra/tsi108_eth.c index 01bdc6ca0755..f2e76c9d736c 100644 --- a/drivers/net/ethernet/tundra/tsi108_eth.c +++ b/drivers/net/ethernet/tundra/tsi108_eth.c @@ -1308,13 +1308,13 @@ static int tsi108_open(struct net_device *dev) data->id, dev->irq, dev->name); } - data->rxring = dma_alloc_coherent(NULL, rxring_size, &data->rxdma, - GFP_KERNEL | __GFP_ZERO); + data->rxring = dma_zalloc_coherent(NULL, rxring_size, &data->rxdma, + GFP_KERNEL); if (!data->rxring) return -ENOMEM; - data->txring = dma_alloc_coherent(NULL, txring_size, &data->txdma, - GFP_KERNEL | __GFP_ZERO); + data->txring = dma_zalloc_coherent(NULL, txring_size, &data->txdma, + GFP_KERNEL); if (!data->txring) { pci_free_consistent(0, rxring_size, data->rxring, data->rxdma); return -ENOMEM; diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c index 58eb4488beff..b88121f240ca 100644 --- a/drivers/net/ethernet/xilinx/ll_temac_main.c +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c @@ -243,15 +243,15 @@ static int temac_dma_bd_init(struct net_device *ndev) /* allocate the tx and rx ring buffer descriptors. */ /* returns a virtual address and a physical address. */ - lp->tx_bd_v = dma_alloc_coherent(ndev->dev.parent, - sizeof(*lp->tx_bd_v) * TX_BD_NUM, - &lp->tx_bd_p, GFP_KERNEL | __GFP_ZERO); + lp->tx_bd_v = dma_zalloc_coherent(ndev->dev.parent, + sizeof(*lp->tx_bd_v) * TX_BD_NUM, + &lp->tx_bd_p, GFP_KERNEL); if (!lp->tx_bd_v) goto out; - lp->rx_bd_v = dma_alloc_coherent(ndev->dev.parent, - sizeof(*lp->rx_bd_v) * RX_BD_NUM, - &lp->rx_bd_p, GFP_KERNEL | __GFP_ZERO); + lp->rx_bd_v = dma_zalloc_coherent(ndev->dev.parent, + sizeof(*lp->rx_bd_v) * RX_BD_NUM, + &lp->rx_bd_p, GFP_KERNEL); if (!lp->rx_bd_v) goto out; diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index fb7d1c28a2ea..b2ff038d6d20 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -201,17 +201,15 @@ static int axienet_dma_bd_init(struct net_device *ndev) /* * Allocate the Tx and Rx buffer descriptors. */ - lp->tx_bd_v = dma_alloc_coherent(ndev->dev.parent, - sizeof(*lp->tx_bd_v) * TX_BD_NUM, - &lp->tx_bd_p, - GFP_KERNEL | __GFP_ZERO); + lp->tx_bd_v = dma_zalloc_coherent(ndev->dev.parent, + sizeof(*lp->tx_bd_v) * TX_BD_NUM, + &lp->tx_bd_p, GFP_KERNEL); if (!lp->tx_bd_v) goto out; - lp->rx_bd_v = dma_alloc_coherent(ndev->dev.parent, - sizeof(*lp->rx_bd_v) * RX_BD_NUM, - &lp->rx_bd_p, - GFP_KERNEL | __GFP_ZERO); + lp->rx_bd_v = dma_zalloc_coherent(ndev->dev.parent, + sizeof(*lp->rx_bd_v) * RX_BD_NUM, + &lp->rx_bd_p, GFP_KERNEL); if (!lp->rx_bd_v) goto out; diff --git a/drivers/net/fddi/defxx.c b/drivers/net/fddi/defxx.c index 4c8ddc944d51..0b40e1c46f07 100644 --- a/drivers/net/fddi/defxx.c +++ b/drivers/net/fddi/defxx.c @@ -1068,9 +1068,9 @@ static int dfx_driver_init(struct net_device *dev, const char *print_name, #endif sizeof(PI_CONSUMER_BLOCK) + (PI_ALIGN_K_DESC_BLK - 1); - bp->kmalloced = top_v = dma_alloc_coherent(bp->bus_dev, alloc_size, - &bp->kmalloced_dma, - GFP_ATOMIC | __GFP_ZERO); + bp->kmalloced = top_v = dma_zalloc_coherent(bp->bus_dev, alloc_size, + &bp->kmalloced_dma, + GFP_ATOMIC); if (top_v == NULL) return DFX_K_FAILURE; diff --git a/drivers/net/irda/ali-ircc.c b/drivers/net/irda/ali-ircc.c index 3adb43ce138f..7bbd318bc93e 100644 --- a/drivers/net/irda/ali-ircc.c +++ b/drivers/net/irda/ali-ircc.c @@ -351,16 +351,16 @@ static int ali_ircc_open(int i, chipio_t *info) /* Allocate memory if needed */ self->rx_buff.head = - dma_alloc_coherent(NULL, self->rx_buff.truesize, - &self->rx_buff_dma, GFP_KERNEL | __GFP_ZERO); + dma_zalloc_coherent(NULL, self->rx_buff.truesize, + &self->rx_buff_dma, GFP_KERNEL); if (self->rx_buff.head == NULL) { err = -ENOMEM; goto err_out2; } self->tx_buff.head = - dma_alloc_coherent(NULL, self->tx_buff.truesize, - &self->tx_buff_dma, GFP_KERNEL | __GFP_ZERO); + dma_zalloc_coherent(NULL, self->tx_buff.truesize, + &self->tx_buff_dma, GFP_KERNEL); if (self->tx_buff.head == NULL) { err = -ENOMEM; goto err_out3; diff --git a/drivers/net/irda/nsc-ircc.c b/drivers/net/irda/nsc-ircc.c index 9cf836b57c49..ceeb53737f86 100644 --- a/drivers/net/irda/nsc-ircc.c +++ b/drivers/net/irda/nsc-ircc.c @@ -430,8 +430,8 @@ static int __init nsc_ircc_open(chipio_t *info) /* Allocate memory if needed */ self->rx_buff.head = - dma_alloc_coherent(NULL, self->rx_buff.truesize, - &self->rx_buff_dma, GFP_KERNEL | __GFP_ZERO); + dma_zalloc_coherent(NULL, self->rx_buff.truesize, + &self->rx_buff_dma, GFP_KERNEL); if (self->rx_buff.head == NULL) { err = -ENOMEM; goto out2; @@ -439,8 +439,8 @@ static int __init nsc_ircc_open(chipio_t *info) } self->tx_buff.head = - dma_alloc_coherent(NULL, self->tx_buff.truesize, - &self->tx_buff_dma, GFP_KERNEL | __GFP_ZERO); + dma_zalloc_coherent(NULL, self->tx_buff.truesize, + &self->tx_buff_dma, GFP_KERNEL); if (self->tx_buff.head == NULL) { err = -ENOMEM; goto out3; diff --git a/drivers/net/irda/smsc-ircc2.c b/drivers/net/irda/smsc-ircc2.c index aa05dad75335..0dcdf1592f6b 100644 --- a/drivers/net/irda/smsc-ircc2.c +++ b/drivers/net/irda/smsc-ircc2.c @@ -562,14 +562,14 @@ static int smsc_ircc_open(unsigned int fir_base, unsigned int sir_base, u8 dma, self->tx_buff.truesize = SMSC_IRCC2_TX_BUFF_TRUESIZE; self->rx_buff.head = - dma_alloc_coherent(NULL, self->rx_buff.truesize, - &self->rx_buff_dma, GFP_KERNEL | __GFP_ZERO); + dma_zalloc_coherent(NULL, self->rx_buff.truesize, + &self->rx_buff_dma, GFP_KERNEL); if (self->rx_buff.head == NULL) goto err_out2; self->tx_buff.head = - dma_alloc_coherent(NULL, self->tx_buff.truesize, - &self->tx_buff_dma, GFP_KERNEL | __GFP_ZERO); + dma_zalloc_coherent(NULL, self->tx_buff.truesize, + &self->tx_buff_dma, GFP_KERNEL); if (self->tx_buff.head == NULL) goto err_out3; diff --git a/drivers/net/irda/via-ircc.c b/drivers/net/irda/via-ircc.c index 2dcc60fb37f1..9abaec27f962 100644 --- a/drivers/net/irda/via-ircc.c +++ b/drivers/net/irda/via-ircc.c @@ -361,16 +361,16 @@ static int via_ircc_open(struct pci_dev *pdev, chipio_t *info, unsigned int id) /* Allocate memory if needed */ self->rx_buff.head = - dma_alloc_coherent(&pdev->dev, self->rx_buff.truesize, - &self->rx_buff_dma, GFP_KERNEL | __GFP_ZERO); + dma_zalloc_coherent(&pdev->dev, self->rx_buff.truesize, + &self->rx_buff_dma, GFP_KERNEL); if (self->rx_buff.head == NULL) { err = -ENOMEM; goto err_out2; } self->tx_buff.head = - dma_alloc_coherent(&pdev->dev, self->tx_buff.truesize, - &self->tx_buff_dma, GFP_KERNEL | __GFP_ZERO); + dma_zalloc_coherent(&pdev->dev, self->tx_buff.truesize, + &self->tx_buff_dma, GFP_KERNEL); if (self->tx_buff.head == NULL) { err = -ENOMEM; goto err_out3; diff --git a/drivers/net/irda/w83977af_ir.c b/drivers/net/irda/w83977af_ir.c index bb8857a158a6..e641bb240362 100644 --- a/drivers/net/irda/w83977af_ir.c +++ b/drivers/net/irda/w83977af_ir.c @@ -215,16 +215,16 @@ static int w83977af_open(int i, unsigned int iobase, unsigned int irq, /* Allocate memory if needed */ self->rx_buff.head = - dma_alloc_coherent(NULL, self->rx_buff.truesize, - &self->rx_buff_dma, GFP_KERNEL | __GFP_ZERO); + dma_zalloc_coherent(NULL, self->rx_buff.truesize, + &self->rx_buff_dma, GFP_KERNEL); if (self->rx_buff.head == NULL) { err = -ENOMEM; goto err_out1; } self->tx_buff.head = - dma_alloc_coherent(NULL, self->tx_buff.truesize, - &self->tx_buff_dma, GFP_KERNEL | __GFP_ZERO); + dma_zalloc_coherent(NULL, self->tx_buff.truesize, + &self->tx_buff_dma, GFP_KERNEL); if (self->tx_buff.head == NULL) { err = -ENOMEM; goto err_out2; diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c index f7c70b3a6ea9..c51d2dc489e4 100644 --- a/drivers/net/wireless/b43/dma.c +++ b/drivers/net/wireless/b43/dma.c @@ -431,9 +431,9 @@ static int alloc_ringmemory(struct b43_dmaring *ring) u16 ring_mem_size = (ring->type == B43_DMA_64BIT) ? B43_DMA64_RINGMEMSIZE : B43_DMA32_RINGMEMSIZE; - ring->descbase = dma_alloc_coherent(ring->dev->dev->dma_dev, - ring_mem_size, &(ring->dmabase), - GFP_KERNEL | __GFP_ZERO); + ring->descbase = dma_zalloc_coherent(ring->dev->dev->dma_dev, + ring_mem_size, &(ring->dmabase), + GFP_KERNEL); if (!ring->descbase) return -ENOMEM; diff --git a/drivers/net/wireless/b43legacy/dma.c b/drivers/net/wireless/b43legacy/dma.c index faeafe219c57..42eb26c99e11 100644 --- a/drivers/net/wireless/b43legacy/dma.c +++ b/drivers/net/wireless/b43legacy/dma.c @@ -331,10 +331,9 @@ void free_descriptor_buffer(struct b43legacy_dmaring *ring, static int alloc_ringmemory(struct b43legacy_dmaring *ring) { /* GFP flags must match the flags in free_ringmemory()! */ - ring->descbase = dma_alloc_coherent(ring->dev->dev->dma_dev, - B43legacy_DMA_RINGMEMSIZE, - &(ring->dmabase), - GFP_KERNEL | __GFP_ZERO); + ring->descbase = dma_zalloc_coherent(ring->dev->dev->dma_dev, + B43legacy_DMA_RINGMEMSIZE, + &(ring->dmabase), GFP_KERNEL); if (!ring->descbase) return -ENOMEM; diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 94af41858513..3a8d0a2af607 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -132,9 +132,8 @@ static inline int dma_set_seg_boundary(struct device *dev, unsigned long mask) static inline void *dma_zalloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag) { - void *ret = dma_alloc_coherent(dev, size, dma_handle, flag); - if (ret) - memset(ret, 0, size); + void *ret = dma_alloc_coherent(dev, size, dma_handle, + flag | __GFP_ZERO); return ret; }