Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

[cascardo/linux.git] / drivers / net / wireless / mwifiex / pcie.c

diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index feb2046..8cd8cdc 100644 (file)
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -36,8 +36,6 @@ static u8 user_rmmod;
 static struct mwifiex_if_ops pcie_ops;
 
 static struct semaphore add_remove_card_sem;
-static int mwifiex_pcie_enable_host_int(struct mwifiex_adapter *adapter);
-static int mwifiex_pcie_resume(struct pci_dev *pdev);
 
 static int
 mwifiex_map_pci_memory(struct mwifiex_adapter *adapter, struct sk_buff *skb,
@@ -78,6 +76,82 @@ static bool mwifiex_pcie_ok_to_access_hw(struct mwifiex_adapter *adapter)
        return false;
 }
 
+#ifdef CONFIG_PM
+/*
+ * Kernel needs to suspend all functions separately. Therefore all
+ * registered functions must have drivers with suspend and resume
+ * methods. Failing that the kernel simply removes the whole card.
+ *
+ * If already not suspended, this function allocates and sends a host
+ * sleep activate request to the firmware and turns off the traffic.
+ */
+static int mwifiex_pcie_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+       struct mwifiex_adapter *adapter;
+       struct pcie_service_card *card;
+       int hs_actived;
+
+       if (pdev) {
+               card = (struct pcie_service_card *) pci_get_drvdata(pdev);
+               if (!card || !card->adapter) {
+                       pr_err("Card or adapter structure is not valid\n");
+                       return 0;
+               }
+       } else {
+               pr_err("PCIE device is not specified\n");
+               return 0;
+       }
+
+       adapter = card->adapter;
+
+       hs_actived = mwifiex_enable_hs(adapter);
+
+       /* Indicate device suspended */
+       adapter->is_suspended = true;
+
+       return 0;
+}
+
+/*
+ * Kernel needs to suspend all functions separately. Therefore all
+ * registered functions must have drivers with suspend and resume
+ * methods. Failing that the kernel simply removes the whole card.
+ *
+ * If already not resumed, this function turns on the traffic and
+ * sends a host sleep cancel request to the firmware.
+ */
+static int mwifiex_pcie_resume(struct pci_dev *pdev)
+{
+       struct mwifiex_adapter *adapter;
+       struct pcie_service_card *card;
+
+       if (pdev) {
+               card = (struct pcie_service_card *) pci_get_drvdata(pdev);
+               if (!card || !card->adapter) {
+                       pr_err("Card or adapter structure is not valid\n");
+                       return 0;
+               }
+       } else {
+               pr_err("PCIE device is not specified\n");
+               return 0;
+       }
+
+       adapter = card->adapter;
+
+       if (!adapter->is_suspended) {
+               dev_warn(adapter->dev, "Device already resumed\n");
+               return 0;
+       }
+
+       adapter->is_suspended = false;
+
+       mwifiex_cancel_hs(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA),
+                         MWIFIEX_ASYNC_CMD);
+
+       return 0;
+}
+#endif
+
 /*
  * This function probes an mwifiex device and registers it. It allocates
  * the card structure, enables PCIE function number and initiates the
@@ -159,80 +233,6 @@ static void mwifiex_pcie_remove(struct pci_dev *pdev)
        kfree(card);
 }
 
-/*
- * Kernel needs to suspend all functions separately. Therefore all
- * registered functions must have drivers with suspend and resume
- * methods. Failing that the kernel simply removes the whole card.
- *
- * If already not suspended, this function allocates and sends a host
- * sleep activate request to the firmware and turns off the traffic.
- */
-static int mwifiex_pcie_suspend(struct pci_dev *pdev, pm_message_t state)
-{
-       struct mwifiex_adapter *adapter;
-       struct pcie_service_card *card;
-       int hs_actived;
-
-       if (pdev) {
-               card = (struct pcie_service_card *) pci_get_drvdata(pdev);
-               if (!card || !card->adapter) {
-                       pr_err("Card or adapter structure is not valid\n");
-                       return 0;
-               }
-       } else {
-               pr_err("PCIE device is not specified\n");
-               return 0;
-       }
-
-       adapter = card->adapter;
-
-       hs_actived = mwifiex_enable_hs(adapter);
-
-       /* Indicate device suspended */
-       adapter->is_suspended = true;
-
-       return 0;
-}
-
-/*
- * Kernel needs to suspend all functions separately. Therefore all
- * registered functions must have drivers with suspend and resume
- * methods. Failing that the kernel simply removes the whole card.
- *
- * If already not resumed, this function turns on the traffic and
- * sends a host sleep cancel request to the firmware.
- */
-static int mwifiex_pcie_resume(struct pci_dev *pdev)
-{
-       struct mwifiex_adapter *adapter;
-       struct pcie_service_card *card;
-
-       if (pdev) {
-               card = (struct pcie_service_card *) pci_get_drvdata(pdev);
-               if (!card || !card->adapter) {
-                       pr_err("Card or adapter structure is not valid\n");
-                       return 0;
-               }
-       } else {
-               pr_err("PCIE device is not specified\n");
-               return 0;
-       }
-
-       adapter = card->adapter;
-
-       if (!adapter->is_suspended) {
-               dev_warn(adapter->dev, "Device already resumed\n");
-               return 0;
-       }
-
-       adapter->is_suspended = false;
-
-       mwifiex_cancel_hs(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA),
-                         MWIFIEX_ASYNC_CMD);
-
-       return 0;
-}
-
 static DEFINE_PCI_DEVICE_TABLE(mwifiex_ids) = {
        {
                PCIE_VENDOR_ID_MARVELL, PCIE_DEVICE_ID_MARVELL_88W8766P,
@@ -1030,8 +1030,8 @@ mwifiex_pcie_send_data(struct mwifiex_adapter *adapter, struct sk_buff *skb,
        u32 wrindx, num_tx_buffs, rx_val;
        int ret;
        dma_addr_t buf_pa;
-       struct mwifiex_pcie_buf_desc *desc;
-       struct mwifiex_pfu_buf_desc *desc2;
+       struct mwifiex_pcie_buf_desc *desc = NULL;
+       struct mwifiex_pfu_buf_desc *desc2 = NULL;
        __le16 *tmp;
 
        if (!(skb->data && skb->len)) {