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path: root/drivers/net/wireless/marvell/mwifiex/pcie.c
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Diffstat (limited to 'drivers/net/wireless/marvell/mwifiex/pcie.c')
-rw-r--r--drivers/net/wireless/marvell/mwifiex/pcie.c86
1 files changed, 70 insertions, 16 deletions
diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c
index 0c7937eb6b77..453ab6ad4784 100644
--- a/drivers/net/wireless/marvell/mwifiex/pcie.c
+++ b/drivers/net/wireless/marvell/mwifiex/pcie.c
@@ -202,7 +202,6 @@ static int mwifiex_pcie_probe(struct pci_dev *pdev,
if (mwifiex_add_card(card, &add_remove_card_sem, &pcie_ops,
MWIFIEX_PCIE)) {
pr_err("%s failed\n", __func__);
- kfree(card);
return -1;
}
@@ -440,6 +439,11 @@ static int mwifiex_pcie_disable_host_int(struct mwifiex_adapter *adapter)
return 0;
}
+static void mwifiex_pcie_disable_host_int_noerr(struct mwifiex_adapter *adapter)
+{
+ WARN_ON(mwifiex_pcie_disable_host_int(adapter));
+}
+
/*
* This function enables the host interrupt.
*
@@ -507,7 +511,7 @@ static int mwifiex_init_rxq_ring(struct mwifiex_adapter *adapter)
for (i = 0; i < MWIFIEX_MAX_TXRX_BD; i++) {
/* Allocate skb here so that firmware can DMA data from it */
skb = mwifiex_alloc_dma_align_buf(MWIFIEX_RX_DATA_BUF_SIZE,
- GFP_KERNEL | GFP_DMA);
+ GFP_KERNEL);
if (!skb) {
mwifiex_dbg(adapter, ERROR,
"Unable to allocate skb for RX ring.\n");
@@ -1319,7 +1323,7 @@ static int mwifiex_pcie_process_recv_data(struct mwifiex_adapter *adapter)
}
skb_tmp = mwifiex_alloc_dma_align_buf(MWIFIEX_RX_DATA_BUF_SIZE,
- GFP_KERNEL | GFP_DMA);
+ GFP_KERNEL);
if (!skb_tmp) {
mwifiex_dbg(adapter, ERROR,
"Unable to allocate skb.\n");
@@ -1612,6 +1616,7 @@ static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter)
pkt_len = *((__le16 *)skb->data);
rx_len = le16_to_cpu(pkt_len);
+ skb_put(skb, MWIFIEX_UPLD_SIZE - skb->len);
skb_trim(skb, rx_len);
skb_pull(skb, INTF_HEADER_LEN);
@@ -2086,6 +2091,13 @@ static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter,
unsigned long flags;
struct pcie_service_card *card = adapter->card;
+ if (card->msi_enable) {
+ spin_lock_irqsave(&adapter->int_lock, flags);
+ adapter->int_status = 1;
+ spin_unlock_irqrestore(&adapter->int_lock, flags);
+ return;
+ }
+
if (!mwifiex_pcie_ok_to_access_hw(adapter))
return;
@@ -2187,15 +2199,44 @@ exit:
static int mwifiex_process_pcie_int(struct mwifiex_adapter *adapter)
{
int ret;
- u32 pcie_ireg;
+ u32 pcie_ireg = 0;
unsigned long flags;
+ struct pcie_service_card *card = adapter->card;
spin_lock_irqsave(&adapter->int_lock, flags);
- /* Clear out unused interrupts */
- pcie_ireg = adapter->int_status;
+ if (!card->msi_enable) {
+ /* Clear out unused interrupts */
+ pcie_ireg = adapter->int_status;
+ }
adapter->int_status = 0;
spin_unlock_irqrestore(&adapter->int_lock, flags);
+ if (card->msi_enable) {
+ if (mwifiex_pcie_ok_to_access_hw(adapter)) {
+ if (mwifiex_read_reg(adapter, PCIE_HOST_INT_STATUS,
+ &pcie_ireg)) {
+ mwifiex_dbg(adapter, ERROR,
+ "Read register failed\n");
+ return -1;
+ }
+
+ if ((pcie_ireg != 0xFFFFFFFF) && (pcie_ireg)) {
+ if (mwifiex_write_reg(adapter,
+ PCIE_HOST_INT_STATUS,
+ ~pcie_ireg)) {
+ mwifiex_dbg(adapter, ERROR,
+ "Write register failed\n");
+ return -1;
+ }
+ if (!adapter->pps_uapsd_mode &&
+ adapter->ps_state == PS_STATE_SLEEP) {
+ adapter->ps_state = PS_STATE_AWAKE;
+ adapter->pm_wakeup_fw_try = false;
+ del_timer(&adapter->wakeup_timer);
+ }
+ }
+ }
+ }
while (pcie_ireg & HOST_INTR_MASK) {
if (pcie_ireg & HOST_INTR_DNLD_DONE) {
pcie_ireg &= ~HOST_INTR_DNLD_DONE;
@@ -2235,6 +2276,12 @@ static int mwifiex_process_pcie_int(struct mwifiex_adapter *adapter)
return ret;
}
+ if (card->msi_enable) {
+ spin_lock_irqsave(&adapter->int_lock, flags);
+ adapter->int_status = 0;
+ spin_unlock_irqrestore(&adapter->int_lock, flags);
+ }
+
if (mwifiex_pcie_ok_to_access_hw(adapter)) {
if (mwifiex_read_reg(adapter, PCIE_HOST_INT_STATUS,
&pcie_ireg)) {
@@ -2254,11 +2301,17 @@ static int mwifiex_process_pcie_int(struct mwifiex_adapter *adapter)
}
}
+ if (!card->msi_enable) {
+ spin_lock_irqsave(&adapter->int_lock, flags);
+ pcie_ireg |= adapter->int_status;
+ adapter->int_status = 0;
+ spin_unlock_irqrestore(&adapter->int_lock, flags);
+ }
}
mwifiex_dbg(adapter, INTR,
"info: cmd_sent=%d data_sent=%d\n",
adapter->cmd_sent, adapter->data_sent);
- if (adapter->ps_state != PS_STATE_SLEEP)
+ if (!card->msi_enable && adapter->ps_state != PS_STATE_SLEEP)
mwifiex_pcie_enable_host_int(adapter);
return 0;
@@ -2796,7 +2849,6 @@ static int mwifiex_pcie_request_irq(struct mwifiex_adapter *adapter)
"MRVL_PCIE", &card->share_irq_ctx);
if (ret) {
pr_err("request_irq failed: ret=%d\n", ret);
- adapter->card = NULL;
return -1;
}
@@ -2804,7 +2856,7 @@ static int mwifiex_pcie_request_irq(struct mwifiex_adapter *adapter)
}
/*
- * This function get firmare name for downloading by revision id
+ * This function gets the firmware name for downloading by revision id
*
* Read revision id register to get revision id
*/
@@ -2841,20 +2893,20 @@ static void mwifiex_pcie_get_fw_name(struct mwifiex_adapter *adapter)
version &= 0x7;
switch (revision_id) {
case PCIE8997_V2:
- if (version == CHIP_VER_PCIEUSB)
+ if (version == CHIP_VER_PCIEUART)
strcpy(adapter->fw_name,
- PCIEUSB8997_FW_NAME_V2);
+ PCIEUART8997_FW_NAME_V2);
else
strcpy(adapter->fw_name,
- PCIEUART8997_FW_NAME_V2);
+ PCIEUSB8997_FW_NAME_V2);
break;
case PCIE8997_Z:
- if (version == CHIP_VER_PCIEUSB)
+ if (version == CHIP_VER_PCIEUART)
strcpy(adapter->fw_name,
- PCIEUSB8997_FW_NAME_Z);
+ PCIEUART8997_FW_NAME_Z);
else
strcpy(adapter->fw_name,
- PCIEUART8997_FW_NAME_Z);
+ PCIEUSB8997_FW_NAME_Z);
break;
default:
strcpy(adapter->fw_name, PCIE8997_DEFAULT_FW_NAME);
@@ -2901,10 +2953,11 @@ static void mwifiex_unregister_dev(struct mwifiex_adapter *adapter)
{
struct pcie_service_card *card = adapter->card;
const struct mwifiex_pcie_card_reg *reg;
- struct pci_dev *pdev = card->dev;
+ struct pci_dev *pdev;
int i;
if (card) {
+ pdev = card->dev;
if (card->msix_enable) {
for (i = 0; i < MWIFIEX_NUM_MSIX_VECTORS; i++)
synchronize_irq(card->msix_entries[i].vector);
@@ -2945,6 +2998,7 @@ static struct mwifiex_if_ops pcie_ops = {
.register_dev = mwifiex_register_dev,
.unregister_dev = mwifiex_unregister_dev,
.enable_int = mwifiex_pcie_enable_host_int,
+ .disable_int = mwifiex_pcie_disable_host_int_noerr,
.process_int_status = mwifiex_process_int_status,
.host_to_card = mwifiex_pcie_host_to_card,
.wakeup = mwifiex_pm_wakeup_card,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.