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mwifiex: fix checkpatch --strict warnings/errors Part 4 

For files main.c, main.h and pcie.c

Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Yogesh Ashok Powar 2012-03-13 19:22:37 -07:00 committed by John W. Linville
parent 931f15842a
commit f57c1edc1e
3 changed files with 226 additions and 211 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
drivers/net/wireless/mwifiex/main.c
View File

@ -64,11 +64,10 @@ static int mwifiex_register(void *card, struct mwifiex_if_ops *if_ops,
adapter->priv_num = 0;
/* Allocate memory for private structure */
adapter->priv[0] = kzalloc(sizeof(struct mwifiex_private),
GFP_KERNEL);
adapter->priv[0] = kzalloc(sizeof(struct mwifiex_private), GFP_KERNEL);
if (!adapter->priv[0]) {
dev_err(adapter->dev, "%s: failed to alloc priv[0]\n",
__func__);
dev_err(adapter->dev,
"%s: failed to alloc priv[0]\n", __func__);
goto error;
}
@ -169,8 +168,8 @@ process_start:
if ((adapter->ps_state == PS_STATE_SLEEP) &&
(adapter->pm_wakeup_card_req &&
!adapter->pm_wakeup_fw_try) &&
(is_command_pending(adapter)
|| !mwifiex_wmm_lists_empty(adapter))) {
(is_command_pending(adapter) ||
!mwifiex_wmm_lists_empty(adapter))) {
adapter->pm_wakeup_fw_try = true;
adapter->if_ops.wakeup(adapter);
continue;
@ -187,10 +186,10 @@ process_start:
adapter->tx_lock_flag)
break;
if (adapter->scan_processing || adapter->data_sent
|| mwifiex_wmm_lists_empty(adapter)) {
if (adapter->cmd_sent || adapter->curr_cmd
|| (!is_command_pending(adapter)))
if (adapter->scan_processing || adapter->data_sent ||
mwifiex_wmm_lists_empty(adapter)) {
if (adapter->cmd_sent || adapter->curr_cmd ||
(!is_command_pending(adapter)))
break;
}
}
@ -223,10 +222,10 @@ process_start:
/* * The ps_state may have been changed during processing of
* Sleep Request event.
*/
if ((adapter->ps_state == PS_STATE_SLEEP)
|| (adapter->ps_state == PS_STATE_PRE_SLEEP)
|| (adapter->ps_state == PS_STATE_SLEEP_CFM)
|| adapter->tx_lock_flag)
if ((adapter->ps_state == PS_STATE_SLEEP) ||
(adapter->ps_state == PS_STATE_PRE_SLEEP) ||
(adapter->ps_state == PS_STATE_SLEEP_CFM) ||
adapter->tx_lock_flag)
continue;
if (!adapter->cmd_sent && !adapter->curr_cmd) {
@ -249,8 +248,8 @@ process_start:
}
if (adapter->delay_null_pkt && !adapter->cmd_sent &&
!adapter->curr_cmd && !is_command_pending(adapter)
&& mwifiex_wmm_lists_empty(adapter)) {
!adapter->curr_cmd && !is_command_pending(adapter) &&
mwifiex_wmm_lists_empty(adapter)) {
if (!mwifiex_send_null_packet
(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA),
MWIFIEX_TxPD_POWER_MGMT_NULL_PACKET |
@ -371,7 +370,7 @@ mwifiex_fill_buffer(struct sk_buff *skb)
iph = ip_hdr(skb);
tid = IPTOS_PREC(iph->tos);
pr_debug("data: packet type ETH_P_IP: %04x, tid=%#x prio=%#x\n",
eth->h_proto, tid, skb->priority);
eth->h_proto, tid, skb->priority);
break;
case __constant_htons(ETH_P_ARP):
pr_debug("data: ARP packet: %04x\n", eth->h_proto);
@ -425,7 +424,7 @@ mwifiex_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
struct mwifiex_txinfo *tx_info;
dev_dbg(priv->adapter->dev, "data: %lu BSS(%d-%d): Data <= kernel\n",
jiffies, priv->bss_type, priv->bss_num);
jiffies, priv->bss_type, priv->bss_num);
if (priv->adapter->surprise_removed) {
kfree_skb(skb);
@ -441,7 +440,7 @@ mwifiex_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (skb_headroom(skb) < MWIFIEX_MIN_DATA_HEADER_LEN) {
dev_dbg(priv->adapter->dev,
"data: Tx: insufficient skb headroom %d\n",
skb_headroom(skb));
skb_headroom(skb));
/* Insufficient skb headroom - allocate a new skb */
new_skb =
skb_realloc_headroom(skb, MWIFIEX_MIN_DATA_HEADER_LEN);
@ -454,7 +453,7 @@ mwifiex_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
kfree_skb(skb);
skb = new_skb;
dev_dbg(priv->adapter->dev, "info: new skb headroomd %d\n",
skb_headroom(skb));
skb_headroom(skb));
}
tx_info = MWIFIEX_SKB_TXCB(skb);
@ -494,8 +493,8 @@ mwifiex_set_mac_address(struct net_device *dev, void *addr)
if (!ret)
memcpy(priv->netdev->dev_addr, priv->curr_addr, ETH_ALEN);
else
dev_err(priv->adapter->dev, "set mac address failed: ret=%d"
"\n", ret);
dev_err(priv->adapter->dev,
"set mac address failed: ret=%d\n", ret);
memcpy(dev->dev_addr, priv->curr_addr, ETH_ALEN);
@ -533,7 +532,7 @@ mwifiex_tx_timeout(struct net_device *dev)
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
dev_err(priv->adapter->dev, "%lu : Tx timeout, bss_type-num = %d-%d\n",
jiffies, priv->bss_type, priv->bss_num);
jiffies, priv->bss_type, priv->bss_num);
mwifiex_set_trans_start(dev);
priv->num_tx_timeout++;
}
@ -704,7 +703,7 @@ mwifiex_add_card(void *card, struct semaphore *sem,
rtnl_lock();
/* Create station interface by default */
if (!mwifiex_add_virtual_intf(priv->wdev->wiphy, "mlan%d",
NL80211_IFTYPE_STATION, NULL, NULL)) {
NL80211_IFTYPE_STATION, NULL, NULL)) {
rtnl_unlock();
dev_err(adapter->dev, "cannot create default station"
" interface\n");
@ -781,7 +780,7 @@ int mwifiex_remove_card(struct mwifiex_adapter *adapter, struct semaphore *sem)
if (priv && priv->netdev) {
if (!netif_queue_stopped(priv->netdev))
mwifiex_stop_net_dev_queue(priv->netdev,
adapter);
adapter);
if (netif_carrier_ok(priv->netdev))
netif_carrier_off(priv->netdev);
}

4
drivers/net/wireless/mwifiex/main.h
View File

@ -841,8 +841,8 @@ mwifiex_get_priv_by_id(struct mwifiex_adapter *adapter,
for (i = 0; i < adapter->priv_num; i++) {
if (adapter->priv[i]) {
if ((adapter->priv[i]->bss_num == bss_num)
&& (adapter->priv[i]->bss_type == bss_type))
if ((adapter->priv[i]->bss_num == bss_num) &&
(adapter->priv[i]->bss_type == bss_type))
break;
}
}

384
drivers/net/wireless/mwifiex/pcie.c
View File

@ -83,7 +83,7 @@ static int mwifiex_pcie_probe(struct pci_dev *pdev,
struct pcie_service_card *card;
pr_debug("info: vendor=0x%4.04X device=0x%4.04X rev=%d\n",
pdev->vendor, pdev->device, pdev->revision);
pdev->vendor, pdev->device, pdev->revision);
card = kzalloc(sizeof(struct pcie_service_card), GFP_KERNEL);
if (!card) {
@ -110,6 +110,7 @@ static void mwifiex_pcie_remove(struct pci_dev *pdev)
{
struct pcie_service_card *card;
struct mwifiex_adapter *adapter;
struct mwifiex_private *priv;
int i;
card = pci_get_drvdata(pdev);
@ -128,16 +129,15 @@ static void mwifiex_pcie_remove(struct pci_dev *pdev)
for (i = 0; i < adapter->priv_num; i++)
if ((GET_BSS_ROLE(adapter->priv[i]) ==
MWIFIEX_BSS_ROLE_STA) &&
adapter->priv[i]->media_connected)
MWIFIEX_BSS_ROLE_STA) &&
adapter->priv[i]->media_connected)
mwifiex_deauthenticate(adapter->priv[i], NULL);
mwifiex_disable_auto_ds(mwifiex_get_priv(adapter,
MWIFIEX_BSS_ROLE_ANY));
priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
mwifiex_init_shutdown_fw(mwifiex_get_priv(adapter,
MWIFIEX_BSS_ROLE_ANY),
MWIFIEX_FUNC_SHUTDOWN);
mwifiex_disable_auto_ds(priv);
mwifiex_init_shutdown_fw(priv, MWIFIEX_FUNC_SHUTDOWN);
}
mwifiex_remove_card(card->adapter, &add_remove_card_sem);
@ -221,7 +221,7 @@ static int mwifiex_pcie_resume(struct pci_dev *pdev)
netif_carrier_on(adapter->priv[i]->netdev);
mwifiex_cancel_hs(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA),
MWIFIEX_ASYNC_CMD);
MWIFIEX_ASYNC_CMD);
return 0;
}
@ -380,26 +380,26 @@ static int mwifiex_pcie_create_txbd_ring(struct mwifiex_adapter *adapter)
/* allocate shared memory for the BD ring and divide the same in to
several descriptors */
card->txbd_ring_size = sizeof(struct mwifiex_pcie_buf_desc) *
MWIFIEX_MAX_TXRX_BD;
MWIFIEX_MAX_TXRX_BD;
dev_dbg(adapter->dev, "info: txbd_ring: Allocating %d bytes\n",
card->txbd_ring_size);
card->txbd_ring_size);
card->txbd_ring_vbase = kzalloc(card->txbd_ring_size, GFP_KERNEL);
if (!card->txbd_ring_vbase) {
dev_err(adapter->dev, "Unable to allocate buffer for txbd ring.\n");
dev_err(adapter->dev, "Unable to alloc buffer for txbd ring\n");
return -ENOMEM;
}
card->txbd_ring_pbase = virt_to_phys(card->txbd_ring_vbase);
dev_dbg(adapter->dev, "info: txbd_ring - base: %p, pbase: %#x:%x,"
"len: %x\n", card->txbd_ring_vbase,
(u32)card->txbd_ring_pbase,
(u32)((u64)card->txbd_ring_pbase >> 32),
card->txbd_ring_size);
dev_dbg(adapter->dev,
"info: txbd_ring - base: %p, pbase: %#x:%x, len: %x\n",
card->txbd_ring_vbase, (u32)card->txbd_ring_pbase,
(u32)((u64)card->txbd_ring_pbase >> 32), card->txbd_ring_size);
for (i = 0; i < MWIFIEX_MAX_TXRX_BD; i++) {
card->txbd_ring[i] = (struct mwifiex_pcie_buf_desc *)
(card->txbd_ring_vbase +
(sizeof(struct mwifiex_pcie_buf_desc) * i));
(card->txbd_ring_vbase +
(sizeof(struct mwifiex_pcie_buf_desc)
* i));
/* Allocate buffer here so that firmware can DMA data from it */
skb = dev_alloc_skb(MWIFIEX_RX_DATA_BUF_SIZE);
@ -412,10 +412,9 @@ static int mwifiex_pcie_create_txbd_ring(struct mwifiex_adapter *adapter)
skb_put(skb, MWIFIEX_RX_DATA_BUF_SIZE);
dev_dbg(adapter->dev, "info: TX ring: add new skb base: %p, "
"buf_base: %p, buf_pbase: %#x:%x, "
"buf_len: %#x\n", skb, skb->data,
(u32)*buf_pa, (u32)(((u64)*buf_pa >> 32)),
skb->len);
"buf_base: %p, buf_pbase: %#x:%x, buf_len: %#x\n",
skb, skb->data, (u32)*buf_pa,
(u32)(((u64)*buf_pa >> 32)), skb->len);
card->tx_buf_list[i] = skb;
card->txbd_ring[i]->paddr = *buf_pa;
@ -469,9 +468,9 @@ static int mwifiex_pcie_create_rxbd_ring(struct mwifiex_adapter *adapter)
card->rxbd_rdptr |= MWIFIEX_BD_FLAG_ROLLOVER_IND;
card->rxbd_ring_size = sizeof(struct mwifiex_pcie_buf_desc) *
MWIFIEX_MAX_TXRX_BD;
MWIFIEX_MAX_TXRX_BD;
dev_dbg(adapter->dev, "info: rxbd_ring: Allocating %d bytes\n",
card->rxbd_ring_size);
card->rxbd_ring_size);
card->rxbd_ring_vbase = kzalloc(card->rxbd_ring_size, GFP_KERNEL);
if (!card->rxbd_ring_vbase) {
dev_err(adapter->dev, "Unable to allocate buffer for "
@ -480,21 +479,23 @@ static int mwifiex_pcie_create_rxbd_ring(struct mwifiex_adapter *adapter)
}
card->rxbd_ring_pbase = virt_to_phys(card->rxbd_ring_vbase);
dev_dbg(adapter->dev, "info: rxbd_ring - base: %p, pbase: %#x:%x,"
"len: %#x\n", card->rxbd_ring_vbase,
(u32)card->rxbd_ring_pbase,
(u32)((u64)card->rxbd_ring_pbase >> 32),
card->rxbd_ring_size);
dev_dbg(adapter->dev,
"info: rxbd_ring - base: %p, pbase: %#x:%x, len: %#x\n",
card->rxbd_ring_vbase, (u32)card->rxbd_ring_pbase,
(u32)((u64)card->rxbd_ring_pbase >> 32),
card->rxbd_ring_size);
for (i = 0; i < MWIFIEX_MAX_TXRX_BD; i++) {
card->rxbd_ring[i] = (struct mwifiex_pcie_buf_desc *)
(card->rxbd_ring_vbase +
(sizeof(struct mwifiex_pcie_buf_desc) * i));
(card->rxbd_ring_vbase +
(sizeof(struct mwifiex_pcie_buf_desc)
* i));
/* Allocate skb here so that firmware can DMA data from it */
skb = dev_alloc_skb(MWIFIEX_RX_DATA_BUF_SIZE);
if (!skb) {
dev_err(adapter->dev, "Unable to allocate skb for RX ring.\n");
dev_err(adapter->dev,
"Unable to allocate skb for RX ring.\n");
kfree(card->rxbd_ring_vbase);
return -ENOMEM;
}
@ -502,10 +503,9 @@ static int mwifiex_pcie_create_rxbd_ring(struct mwifiex_adapter *adapter)
skb_put(skb, MWIFIEX_RX_DATA_BUF_SIZE);
dev_dbg(adapter->dev, "info: RX ring: add new skb base: %p, "
"buf_base: %p, buf_pbase: %#x:%x, "
"buf_len: %#x\n", skb, skb->data,
(u32)*buf_pa, (u32)((u64)*buf_pa >> 32),
skb->len);
"buf_base: %p, buf_pbase: %#x:%x, buf_len: %#x\n",
skb, skb->data, (u32)*buf_pa, (u32)((u64)*buf_pa >> 32),
skb->len);
card->rx_buf_list[i] = skb;
card->rxbd_ring[i]->paddr = *buf_pa;
@ -562,32 +562,34 @@ static int mwifiex_pcie_create_evtbd_ring(struct mwifiex_adapter *adapter)
card->evtbd_rdptr |= MWIFIEX_BD_FLAG_ROLLOVER_IND;
card->evtbd_ring_size = sizeof(struct mwifiex_pcie_buf_desc) *
MWIFIEX_MAX_EVT_BD;
MWIFIEX_MAX_EVT_BD;
dev_dbg(adapter->dev, "info: evtbd_ring: Allocating %d bytes\n",
card->evtbd_ring_size);
card->evtbd_ring_size);
card->evtbd_ring_vbase = kzalloc(card->evtbd_ring_size, GFP_KERNEL);
if (!card->evtbd_ring_vbase) {
dev_err(adapter->dev, "Unable to allocate buffer. "
"Terminating download\n");
dev_err(adapter->dev,
"Unable to allocate buffer. Terminating download\n");
return -ENOMEM;
}
card->evtbd_ring_pbase = virt_to_phys(card->evtbd_ring_vbase);
dev_dbg(adapter->dev, "info: CMDRSP/EVT bd_ring - base: %p, "
"pbase: %#x:%x, len: %#x\n", card->evtbd_ring_vbase,
(u32)card->evtbd_ring_pbase,
(u32)((u64)card->evtbd_ring_pbase >> 32),
card->evtbd_ring_size);
dev_dbg(adapter->dev,
"info: CMDRSP/EVT bd_ring - base: %p pbase: %#x:%x len: %#x\n",
card->evtbd_ring_vbase, (u32)card->evtbd_ring_pbase,
(u32)((u64)card->evtbd_ring_pbase >> 32),
card->evtbd_ring_size);
for (i = 0; i < MWIFIEX_MAX_EVT_BD; i++) {
card->evtbd_ring[i] = (struct mwifiex_pcie_buf_desc *)
(card->evtbd_ring_vbase +
(sizeof(struct mwifiex_pcie_buf_desc) * i));
(card->evtbd_ring_vbase +
(sizeof(struct mwifiex_pcie_buf_desc)
* i));
/* Allocate skb here so that firmware can DMA data from it */
skb = dev_alloc_skb(MAX_EVENT_SIZE);
if (!skb) {
dev_err(adapter->dev, "Unable to allocate skb for EVENT buf.\n");
dev_err(adapter->dev,
"Unable to allocate skb for EVENT buf.\n");
kfree(card->evtbd_ring_vbase);
return -ENOMEM;
}
@ -595,10 +597,9 @@ static int mwifiex_pcie_create_evtbd_ring(struct mwifiex_adapter *adapter)
skb_put(skb, MAX_EVENT_SIZE);
dev_dbg(adapter->dev, "info: Evt ring: add new skb. base: %p, "
"buf_base: %p, buf_pbase: %#x:%x, "
"buf_len: %#x\n", skb, skb->data,
(u32)*buf_pa, (u32)((u64)*buf_pa >> 32),
skb->len);
"buf_base: %p, buf_pbase: %#x:%x, buf_len: %#x\n",
skb, skb->data, (u32)*buf_pa, (u32)((u64)*buf_pa >> 32),
skb->len);
card->evt_buf_list[i] = skb;
card->evtbd_ring[i]->paddr = *buf_pa;
@ -647,8 +648,8 @@ static int mwifiex_pcie_alloc_cmdrsp_buf(struct mwifiex_adapter *adapter)
/* Allocate memory for receiving command response data */
skb = dev_alloc_skb(MWIFIEX_UPLD_SIZE);
if (!skb) {
dev_err(adapter->dev, "Unable to allocate skb for command "
"response data.\n");
dev_err(adapter->dev,
"Unable to allocate skb for command response data.\n");
return -ENOMEM;
}
mwifiex_update_sk_buff_pa(skb);
@ -659,8 +660,8 @@ static int mwifiex_pcie_alloc_cmdrsp_buf(struct mwifiex_adapter *adapter)
/* Allocate memory for sending command to firmware */
skb = dev_alloc_skb(MWIFIEX_SIZE_OF_CMD_BUFFER);
if (!skb) {
dev_err(adapter->dev, "Unable to allocate skb for command "
"data.\n");
dev_err(adapter->dev,
"Unable to allocate skb for command data.\n");
return -ENOMEM;
}
mwifiex_update_sk_buff_pa(skb);
@ -702,8 +703,8 @@ static int mwifiex_pcie_alloc_sleep_cookie_buf(struct mwifiex_adapter *adapter)
/* Allocate memory for sleep cookie */
skb = dev_alloc_skb(sizeof(u32));
if (!skb) {
dev_err(adapter->dev, "Unable to allocate skb for sleep "
"cookie!\n");
dev_err(adapter->dev,
"Unable to allocate skb for sleep cookie!\n");
return -ENOMEM;
}
mwifiex_update_sk_buff_pa(skb);
@ -713,7 +714,7 @@ static int mwifiex_pcie_alloc_sleep_cookie_buf(struct mwifiex_adapter *adapter)
*(u32 *)skb->data = FW_AWAKE_COOKIE;
dev_dbg(adapter->dev, "alloc_scook: sleep cookie=0x%x\n",
*((u32 *)skb->data));
*((u32 *)skb->data));
/* Save the sleep cookie */
card->sleep_cookie = skb;
@ -757,15 +758,15 @@ mwifiex_pcie_send_data(struct mwifiex_adapter *adapter, struct sk_buff *skb)
/* Read the TX ring read pointer set by firmware */
if (mwifiex_read_reg(adapter, REG_TXBD_RDPTR, &rdptr)) {
dev_err(adapter->dev, "SEND DATA: failed to read "
"REG_TXBD_RDPTR\n");
dev_err(adapter->dev,
"SEND DATA: failed to read REG_TXBD_RDPTR\n");
return -1;
}
wrindx = card->txbd_wrptr & MWIFIEX_TXBD_MASK;
dev_dbg(adapter->dev, "info: SEND DATA: <Rd: %#x, Wr: %#x>\n", rdptr,
card->txbd_wrptr);
card->txbd_wrptr);
if (((card->txbd_wrptr & MWIFIEX_TXBD_MASK) !=
(rdptr & MWIFIEX_TXBD_MASK)) ||
((card->txbd_wrptr & MWIFIEX_BD_FLAG_ROLLOVER_IND) !=
@ -797,32 +798,31 @@ mwifiex_pcie_send_data(struct mwifiex_adapter *adapter, struct sk_buff *skb)
/* Write the TX ring write pointer in to REG_TXBD_WRPTR */
if (mwifiex_write_reg(adapter, REG_TXBD_WRPTR,
card->txbd_wrptr)) {
dev_err(adapter->dev, "SEND DATA: failed to write "
"REG_TXBD_WRPTR\n");
card->txbd_wrptr)) {
dev_err(adapter->dev,
"SEND DATA: failed to write REG_TXBD_WRPTR\n");
return 0;
}
/* Send the TX ready interrupt */
if (mwifiex_write_reg(adapter, PCIE_CPU_INT_EVENT,
CPU_INTR_DNLD_RDY)) {
dev_err(adapter->dev, "SEND DATA: failed to assert "
"door-bell interrupt.\n");
dev_err(adapter->dev,
"SEND DATA: failed to assert door-bell intr\n");
return -1;
}
dev_dbg(adapter->dev, "info: SEND DATA: Updated <Rd: %#x, Wr: "
"%#x> and sent packet to firmware "
"successfully\n", rdptr,
card->txbd_wrptr);
"%#x> and sent packet to firmware successfully\n",
rdptr, card->txbd_wrptr);
} else {
dev_dbg(adapter->dev, "info: TX Ring full, can't send anymore "
"packets to firmware\n");
dev_dbg(adapter->dev,
"info: TX Ring full, can't send packets to fw\n");
adapter->data_sent = true;
/* Send the TX ready interrupt */
if (mwifiex_write_reg(adapter, PCIE_CPU_INT_EVENT,
CPU_INTR_DNLD_RDY))
dev_err(adapter->dev, "SEND DATA: failed to assert "
"door-bell interrupt\n");
dev_err(adapter->dev,
"SEND DATA: failed to assert door-bell intr\n");
return -EBUSY;
}
@ -842,8 +842,8 @@ static int mwifiex_pcie_process_recv_data(struct mwifiex_adapter *adapter)
/* Read the RX ring Write pointer set by firmware */
if (mwifiex_read_reg(adapter, REG_RXBD_WRPTR, &wrptr)) {
dev_err(adapter->dev, "RECV DATA: failed to read "
"REG_TXBD_RDPTR\n");
dev_err(adapter->dev,
"RECV DATA: failed to read REG_TXBD_RDPTR\n");
ret = -1;
goto done;
}
@ -861,12 +861,13 @@ static int mwifiex_pcie_process_recv_data(struct mwifiex_adapter *adapter)
/* Get data length from interface header -
first byte is len, second byte is type */
rx_len = *((u16 *)skb_data->data);
dev_dbg(adapter->dev, "info: RECV DATA: Rd=%#x, Wr=%#x, "
"Len=%d\n", card->rxbd_rdptr, wrptr, rx_len);
dev_dbg(adapter->dev,
"info: RECV DATA: Rd=%#x, Wr=%#x, Len=%d\n",
card->rxbd_rdptr, wrptr, rx_len);
skb_tmp = dev_alloc_skb(rx_len);
if (!skb_tmp) {
dev_dbg(adapter->dev, "info: Failed to alloc skb "
"for RX\n");
dev_dbg(adapter->dev,
"info: Failed to alloc skb for RX\n");
ret = -EBUSY;
goto done;
}
@ -881,26 +882,26 @@ static int mwifiex_pcie_process_recv_data(struct mwifiex_adapter *adapter)
MWIFIEX_BD_FLAG_ROLLOVER_IND);
}
dev_dbg(adapter->dev, "info: RECV DATA: <Rd: %#x, Wr: %#x>\n",
card->rxbd_rdptr, wrptr);
card->rxbd_rdptr, wrptr);
/* Write the RX ring read pointer in to REG_RXBD_RDPTR */
if (mwifiex_write_reg(adapter, REG_RXBD_RDPTR,
card->rxbd_rdptr)) {
dev_err(adapter->dev, "RECV DATA: failed to "
"write REG_RXBD_RDPTR\n");
dev_err(adapter->dev,
"RECV DATA: failed to write REG_RXBD_RDPTR\n");
ret = -1;
goto done;
}
/* Read the RX ring Write pointer set by firmware */
if (mwifiex_read_reg(adapter, REG_RXBD_WRPTR, &wrptr)) {
dev_err(adapter->dev, "RECV DATA: failed to read "
"REG_TXBD_RDPTR\n");
dev_err(adapter->dev,
"RECV DATA: failed to read REG_TXBD_RDPTR\n");
ret = -1;
goto done;
}
dev_dbg(adapter->dev, "info: RECV DATA: Received packet from "
"firmware successfully\n");
dev_dbg(adapter->dev,
"info: RECV DATA: Rcvd packet from fw successfully\n");
mwifiex_handle_rx_packet(adapter, skb_tmp);
}
@ -919,17 +920,19 @@ mwifiex_pcie_send_boot_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb)
phys_addr_t *buf_pa = MWIFIEX_SKB_PACB(skb);
if (!(skb->data && skb->len && *buf_pa)) {
dev_err(adapter->dev, "Invalid parameter in %s <%p, %#x:%x, "
"%x>\n", __func__, skb->data, skb->len,
(u32)*buf_pa, (u32)((u64)*buf_pa >> 32));
dev_err(adapter->dev,
"Invalid parameter in %s <%p, %#x:%x, %x>\n",
__func__, skb->data, skb->len,
(u32)*buf_pa, (u32)((u64)*buf_pa >> 32));
return -1;
}
/* Write the lower 32bits of the physical address to scratch
* register 0 */
if (mwifiex_write_reg(adapter, PCIE_SCRATCH_0_REG, (u32)*buf_pa)) {
dev_err(adapter->dev, "%s: failed to write download command "
"to boot code.\n", __func__);
dev_err(adapter->dev,
"%s: failed to write download command to boot code.\n",
__func__);
return -1;
}
@ -937,23 +940,25 @@ mwifiex_pcie_send_boot_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb)
* register 1 */
if (mwifiex_write_reg(adapter, PCIE_SCRATCH_1_REG,
(u32)((u64)*buf_pa >> 32))) {
dev_err(adapter->dev, "%s: failed to write download command "
"to boot code.\n", __func__);
dev_err(adapter->dev,
"%s: failed to write download command to boot code.\n",
__func__);
return -1;
}
/* Write the command length to scratch register 2 */
if (mwifiex_write_reg(adapter, PCIE_SCRATCH_2_REG, skb->len)) {
dev_err(adapter->dev, "%s: failed to write command length to "
"scratch register 2\n", __func__);
dev_err(adapter->dev,
"%s: failed to write command len to scratch reg 2\n",
__func__);
return -1;
}
/* Ring the door bell */
if (mwifiex_write_reg(adapter, PCIE_CPU_INT_EVENT,
CPU_INTR_DOOR_BELL)) {
dev_err(adapter->dev, "%s: failed to assert door-bell "
"interrupt.\n", __func__);
dev_err(adapter->dev,
"%s: failed to assert door-bell intr\n", __func__);
return -1;
}
@ -973,14 +978,14 @@ mwifiex_pcie_send_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb)
if (!(skb->data && skb->len)) {
dev_err(adapter->dev, "Invalid parameter in %s <%p, %#x>\n",
__func__, skb->data, skb->len);
__func__, skb->data, skb->len);
return -1;
}
/* Make sure a command response buffer is available */
if (!card->cmdrsp_buf) {
dev_err(adapter->dev, "No response buffer available, send "
"command failed\n");
dev_err(adapter->dev,
"No response buffer available, send command failed\n");
return -EBUSY;
}
@ -1011,17 +1016,18 @@ mwifiex_pcie_send_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb)
/* Write the lower 32bits of the cmdrsp buffer physical
address */
if (mwifiex_write_reg(adapter, REG_CMDRSP_ADDR_LO,
(u32)*cmdrsp_buf_pa)) {
dev_err(adapter->dev, "Failed to write download command to boot code.\n");
(u32)*cmdrsp_buf_pa)) {
dev_err(adapter->dev,
"Failed to write download cmd to boot code.\n");
ret = -1;
goto done;
}
/* Write the upper 32bits of the cmdrsp buffer physical
address */
if (mwifiex_write_reg(adapter, REG_CMDRSP_ADDR_HI,
(u32)((u64)*cmdrsp_buf_pa >> 32))) {
dev_err(adapter->dev, "Failed to write download command"
" to boot code.\n");
(u32)((u64)*cmdrsp_buf_pa >> 32))) {
dev_err(adapter->dev,
"Failed to write download cmd to boot code.\n");
ret = -1;
goto done;
}
@ -1029,27 +1035,25 @@ mwifiex_pcie_send_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb)
cmd_buf_pa = MWIFIEX_SKB_PACB(card->cmd_buf);
/* Write the lower 32bits of the physical address to REG_CMD_ADDR_LO */
if (mwifiex_write_reg(adapter, REG_CMD_ADDR_LO,
(u32)*cmd_buf_pa)) {
dev_err(adapter->dev, "Failed to write download command "
"to boot code.\n");
if (mwifiex_write_reg(adapter, REG_CMD_ADDR_LO, (u32)*cmd_buf_pa)) {
dev_err(adapter->dev,
"Failed to write download cmd to boot code.\n");
ret = -1;
goto done;
}
/* Write the upper 32bits of the physical address to REG_CMD_ADDR_HI */
if (mwifiex_write_reg(adapter, REG_CMD_ADDR_HI,
(u32)((u64)*cmd_buf_pa >> 32))) {
dev_err(adapter->dev, "Failed to write download command "
"to boot code.\n");
(u32)((u64)*cmd_buf_pa >> 32))) {
dev_err(adapter->dev,
"Failed to write download cmd to boot code.\n");
ret = -1;
goto done;
}
/* Write the command length to REG_CMD_SIZE */
if (mwifiex_write_reg(adapter, REG_CMD_SIZE,
card->cmd_buf->len)) {
dev_err(adapter->dev, "Failed to write command length to "
"REG_CMD_SIZE\n");
if (mwifiex_write_reg(adapter, REG_CMD_SIZE, card->cmd_buf->len)) {
dev_err(adapter->dev,
"Failed to write cmd len to REG_CMD_SIZE\n");
ret = -1;
goto done;
}
@ -1057,8 +1061,8 @@ mwifiex_pcie_send_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb)
/* Ring the door bell */
if (mwifiex_write_reg(adapter, PCIE_CPU_INT_EVENT,
CPU_INTR_DOOR_BELL)) {
dev_err(adapter->dev, "Failed to assert door-bell "
"interrupt.\n");
dev_err(adapter->dev,
"Failed to assert door-bell intr\n");
ret = -1;
goto done;
}
@ -1076,30 +1080,29 @@ done:
static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter)
{
struct pcie_service_card *card = adapter->card;
struct sk_buff *skb = card->cmdrsp_buf;
int count = 0;
dev_dbg(adapter->dev, "info: Rx CMD Response\n");
if (!adapter->curr_cmd) {
skb_pull(card->cmdrsp_buf, INTF_HEADER_LEN);
skb_pull(skb, INTF_HEADER_LEN);
if (adapter->ps_state == PS_STATE_SLEEP_CFM) {
mwifiex_process_sleep_confirm_resp(adapter,
card->cmdrsp_buf->data,
card->cmdrsp_buf->len);
mwifiex_process_sleep_confirm_resp(adapter, skb->data,
skb->len);
while (mwifiex_pcie_ok_to_access_hw(adapter) &&
(count++ < 10))
usleep_range(50, 60);
} else {
dev_err(adapter->dev, "There is no command but "
"got cmdrsp\n");
dev_err(adapter->dev,
"There is no command but got cmdrsp\n");
}
memcpy(adapter->upld_buf, card->cmdrsp_buf->data,
min_t(u32, MWIFIEX_SIZE_OF_CMD_BUFFER,
card->cmdrsp_buf->len));
skb_push(card->cmdrsp_buf, INTF_HEADER_LEN);
memcpy(adapter->upld_buf, skb->data,
min_t(u32, MWIFIEX_SIZE_OF_CMD_BUFFER, skb->len));
skb_push(skb, INTF_HEADER_LEN);
} else if (mwifiex_pcie_ok_to_access_hw(adapter)) {
skb_pull(card->cmdrsp_buf, INTF_HEADER_LEN);
adapter->curr_cmd->resp_skb = card->cmdrsp_buf;
skb_pull(skb, INTF_HEADER_LEN);
adapter->curr_cmd->resp_skb = skb;
adapter->cmd_resp_received = true;
/* Take the pointer and set it to CMD node and will
return in the response complete callback */
@ -1109,15 +1112,15 @@ static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter)
will prevent firmware from writing to the same response
buffer again. */
if (mwifiex_write_reg(adapter, REG_CMDRSP_ADDR_LO, 0)) {
dev_err(adapter->dev, "cmd_done: failed to clear "
"cmd_rsp address.\n");
dev_err(adapter->dev,
"cmd_done: failed to clear cmd_rsp_addr_lo\n");
return -1;
}
/* Write the upper 32bits of the cmdrsp buffer physical
address */
if (mwifiex_write_reg(adapter, REG_CMDRSP_ADDR_HI, 0)) {
dev_err(adapter->dev, "cmd_done: failed to clear "
"cmd_rsp address.\n");
dev_err(adapter->dev,
"cmd_done: failed to clear cmd_rsp_addr_hi\n");
return -1;
}
}
@ -1151,8 +1154,8 @@ static int mwifiex_pcie_process_event_ready(struct mwifiex_adapter *adapter)
u32 wrptr, event;
if (adapter->event_received) {
dev_dbg(adapter->dev, "info: Event being processed, "\
"do not process this interrupt just yet\n");
dev_dbg(adapter->dev, "info: Event being processed, "
"do not process this interrupt just yet\n");
return 0;
}
@ -1163,14 +1166,15 @@ static int mwifiex_pcie_process_event_ready(struct mwifiex_adapter *adapter)
/* Read the event ring write pointer set by firmware */
if (mwifiex_read_reg(adapter, REG_EVTBD_WRPTR, &wrptr)) {
dev_err(adapter->dev, "EventReady: failed to read REG_EVTBD_WRPTR\n");
dev_err(adapter->dev,
"EventReady: failed to read REG_EVTBD_WRPTR\n");
return -1;
}
dev_dbg(adapter->dev, "info: EventReady: Initial <Rd: 0x%x, Wr: 0x%x>",
card->evtbd_rdptr, wrptr);
if (((wrptr & MWIFIEX_EVTBD_MASK) !=
(card->evtbd_rdptr & MWIFIEX_EVTBD_MASK)) ||
card->evtbd_rdptr, wrptr);
if (((wrptr & MWIFIEX_EVTBD_MASK) != (card->evtbd_rdptr
& MWIFIEX_EVTBD_MASK)) ||
((wrptr & MWIFIEX_BD_FLAG_ROLLOVER_IND) ==
(card->evtbd_rdptr & MWIFIEX_BD_FLAG_ROLLOVER_IND))) {
struct sk_buff *skb_cmd;
@ -1230,13 +1234,14 @@ static int mwifiex_pcie_event_complete(struct mwifiex_adapter *adapter,
if (rdptr >= MWIFIEX_MAX_EVT_BD) {
dev_err(adapter->dev, "event_complete: Invalid rdptr 0x%x\n",
rdptr);
rdptr);
return -EINVAL;
}
/* Read the event ring write pointer set by firmware */
if (mwifiex_read_reg(adapter, REG_EVTBD_WRPTR, &wrptr)) {
dev_err(adapter->dev, "event_complete: failed to read REG_EVTBD_WRPTR\n");
dev_err(adapter->dev,
"event_complete: failed to read REG_EVTBD_WRPTR\n");
return -1;
}
@ -1249,9 +1254,9 @@ static int mwifiex_pcie_event_complete(struct mwifiex_adapter *adapter,
card->evtbd_ring[rdptr]->flags = 0;
skb = NULL;
} else {
dev_dbg(adapter->dev, "info: ERROR: Buffer is still valid at "
"index %d, <%p, %p>\n", rdptr,
card->evt_buf_list[rdptr], skb);
dev_dbg(adapter->dev,
"info: ERROR: buf still valid at index %d, <%p, %p>\n",
rdptr, card->evt_buf_list[rdptr], skb);
}
if ((++card->evtbd_rdptr & MWIFIEX_EVTBD_MASK) == MWIFIEX_MAX_EVT_BD) {
@ -1261,11 +1266,12 @@ static int mwifiex_pcie_event_complete(struct mwifiex_adapter *adapter,
}
dev_dbg(adapter->dev, "info: Updated <Rd: 0x%x, Wr: 0x%x>",
card->evtbd_rdptr, wrptr);
card->evtbd_rdptr, wrptr);
/* Write the event ring read pointer in to REG_EVTBD_RDPTR */
if (mwifiex_write_reg(adapter, REG_EVTBD_RDPTR, card->evtbd_rdptr)) {
dev_err(adapter->dev, "event_complete: failed to read REG_EVTBD_RDPTR\n");
dev_err(adapter->dev,
"event_complete: failed to read REG_EVTBD_RDPTR\n");
return -1;
}
@ -1299,17 +1305,17 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
}
if (!firmware || !firmware_len) {
dev_err(adapter->dev, "No firmware image found! "
"Terminating download\n");
dev_err(adapter->dev,
"No firmware image found! Terminating download\n");
return -1;
}
dev_dbg(adapter->dev, "info: Downloading FW image (%d bytes)\n",
firmware_len);
firmware_len);
if (mwifiex_pcie_disable_host_int(adapter)) {
dev_err(adapter->dev, "%s: Disabling interrupts"
" failed.\n", __func__);
dev_err(adapter->dev,
"%s: Disabling interrupts failed.\n", __func__);
return -1;
}
@ -1332,7 +1338,8 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
ret = mwifiex_read_reg(adapter, PCIE_SCRATCH_2_REG,
&len);
if (ret) {
dev_warn(adapter->dev, "Failed reading length from boot code\n");
dev_warn(adapter->dev,
"Failed reading len from boot code\n");
goto done;
}
if (len)
@ -1344,7 +1351,7 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
break;
} else if (len > MWIFIEX_UPLD_SIZE) {
pr_err("FW download failure @ %d, invalid length %d\n",
offset, len);
offset, len);
ret = -1;
goto done;
}
@ -1360,8 +1367,8 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
goto done;
}
dev_err(adapter->dev, "FW CRC error indicated by the "
"helper: len = 0x%04X, txlen = "
"%d\n", len, txlen);
"helper: len = 0x%04X, txlen = %d\n",
len, txlen);
len &= ~BIT(0);
/* Setting this to 0 to resend from same offset */
txlen = 0;
@ -1374,9 +1381,9 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
dev_dbg(adapter->dev, ".");
tx_blocks =
(txlen + MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD - 1) /
MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD;
tx_blocks = (txlen +
MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD - 1) /
MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD;
/* Copy payload to buffer */
memmove(skb->data, &firmware[offset], txlen);
@ -1387,7 +1394,8 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
/* Send the boot command to device */
if (mwifiex_pcie_send_boot_cmd(adapter, skb)) {
dev_err(adapter->dev, "Failed to send firmware download command\n");
dev_err(adapter->dev,
"Failed to send firmware download command\n");
ret = -1;
goto done;
}
@ -1396,8 +1404,8 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
if (mwifiex_read_reg(adapter, PCIE_CPU_INT_STATUS,
&ireg_intr)) {
dev_err(adapter->dev, "%s: Failed to read "
"interrupt status during "
"fw dnld.\n", __func__);
"interrupt status during fw dnld.\n",
__func__);
ret = -1;
goto done;
}
@ -1407,7 +1415,7 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
} while (true);
dev_dbg(adapter->dev, "info:\nFW download over, size %d bytes\n",
offset);
offset);
ret = 0;
@ -1430,14 +1438,15 @@ mwifiex_check_fw_status(struct mwifiex_adapter *adapter, u32 poll_num)
/* Mask spurios interrupts */
if (mwifiex_write_reg(adapter, PCIE_HOST_INT_STATUS_MASK,
HOST_INTR_MASK)) {
HOST_INTR_MASK)) {
dev_warn(adapter->dev, "Write register failed\n");
return -1;
}
dev_dbg(adapter->dev, "Setting driver ready signature\n");
if (mwifiex_write_reg(adapter, REG_DRV_READY, FIRMWARE_READY_PCIE)) {
dev_err(adapter->dev, "Failed to write driver ready signature\n");
dev_err(adapter->dev,
"Failed to write driver ready signature\n");
return -1;
}
@ -1468,8 +1477,9 @@ mwifiex_check_fw_status(struct mwifiex_adapter *adapter, u32 poll_num)
adapter->winner = 1;
ret = -1;
} else {
dev_err(adapter->dev, "PCI-E is not the winner <%#x, %d>, exit download\n",
ret, adapter->winner);
dev_err(adapter->dev,
"PCI-E is not the winner <%#x,%d>, exit dnld\n",
ret, adapter->winner);
ret = 0;
}
}
@ -1512,10 +1522,11 @@ static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter)
(adapter->ps_state == PS_STATE_SLEEP)) {
mwifiex_pcie_enable_host_int(adapter);
if (mwifiex_write_reg(adapter,
PCIE_CPU_INT_EVENT,
CPU_INTR_SLEEP_CFM_DONE)) {
dev_warn(adapter->dev, "Write register"
" failed\n");
PCIE_CPU_INT_EVENT,
CPU_INTR_SLEEP_CFM_DONE)
) {
dev_warn(adapter->dev,
"Write register failed\n");
return;
}
@ -1551,7 +1562,7 @@ static irqreturn_t mwifiex_pcie_interrupt(int irq, void *context)
card = (struct pcie_service_card *) pci_get_drvdata(pdev);
if (!card || !card->adapter) {
pr_debug("info: %s: card=%p adapter=%p\n", __func__, card,
card ? card->adapter : NULL);
card ? card->adapter : NULL);
goto exit;
}
adapter = card->adapter;
@ -1594,7 +1605,7 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter)
if (adapter->int_status & HOST_INTR_DNLD_DONE) {
adapter->int_status &= ~HOST_INTR_DNLD_DONE;
if (adapter->data_sent) {
dev_dbg(adapter->dev, "info: DATA sent Interrupt\n");
dev_dbg(adapter->dev, "info: DATA sent intr\n");
adapter->data_sent = false;
}
}
@ -1616,7 +1627,8 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter)
if (adapter->int_status & HOST_INTR_CMD_DONE) {
adapter->int_status &= ~HOST_INTR_CMD_DONE;
if (adapter->cmd_sent) {
dev_dbg(adapter->dev, "info: CMD sent Interrupt\n");
dev_dbg(adapter->dev,
"info: CMD sent Interrupt\n");
adapter->cmd_sent = false;
}
/* Handle command response */
@ -1628,15 +1640,17 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter)
if (mwifiex_pcie_ok_to_access_hw(adapter)) {
if (mwifiex_read_reg(adapter, PCIE_HOST_INT_STATUS,
&pcie_ireg)) {
dev_warn(adapter->dev, "Read register failed\n");
dev_warn(adapter->dev,
"Read register failed\n");
return -1;
}
if ((pcie_ireg != 0xFFFFFFFF) && (pcie_ireg)) {
if (mwifiex_write_reg(adapter,
PCIE_HOST_INT_STATUS, ~pcie_ireg)) {
dev_warn(adapter->dev, "Write register"
" failed\n");
PCIE_HOST_INT_STATUS,
~pcie_ireg)) {
dev_warn(adapter->dev,
"Write register failed\n");
return -1;
}
adapter->int_status |= pcie_ireg;
@ -1646,7 +1660,7 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter)
}
}
dev_dbg(adapter->dev, "info: cmd_sent=%d data_sent=%d\n",
adapter->cmd_sent, adapter->data_sent);
adapter->cmd_sent, adapter->data_sent);
mwifiex_pcie_enable_host_int(adapter);
return 0;
@ -1737,8 +1751,9 @@ static int mwifiex_pcie_init(struct mwifiex_adapter *adapter)
goto err_iomap2;
}
dev_dbg(adapter->dev, "PCI memory map Virt0: %p PCI memory map Virt2: "
"%p\n", card->pci_mmap, card->pci_mmap1);
dev_dbg(adapter->dev,
"PCI memory map Virt0: %p PCI memory map Virt2: %p\n",
card->pci_mmap, card->pci_mmap1);
card->cmdrsp_buf = NULL;
ret = mwifiex_pcie_create_txbd_ring(adapter);
@ -1808,7 +1823,8 @@ static void mwifiex_pcie_cleanup(struct mwifiex_adapter *adapter)
dev_dbg(adapter->dev, "Clearing driver ready signature\n");
if (user_rmmod) {
if (mwifiex_write_reg(adapter, REG_DRV_READY, 0x00000000))
dev_err(adapter->dev, "Failed to write driver not-ready signature\n");
dev_err(adapter->dev,
"Failed to write driver not-ready signature\n");
}
if (pdev) {