mwifiex: code rearrangement in sdio.c
authorAmitkumar Karwar <akarwar@marvell.com>
Tue, 23 Jul 2013 02:17:56 +0000 (19:17 -0700)
committerJohn W. Linville <linville@tuxdriver.com>
Fri, 26 Jul 2013 20:57:45 +0000 (16:57 -0400)
Some function definitions are moved to appropriate place
to avoid forward declarations.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/mwifiex/sdio.c

index c32a735..1eb5efa 100644 (file)
@@ -50,9 +50,6 @@ static struct mwifiex_if_ops sdio_ops;
 
 static struct semaphore add_remove_card_sem;
 
-static int mwifiex_sdio_resume(struct device *dev);
-static void mwifiex_sdio_interrupt(struct sdio_func *func);
-
 /*
  * SDIO probe.
  *
@@ -112,6 +109,51 @@ mwifiex_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
        return ret;
 }
 
+/*
+ * SDIO resume.
+ *
+ * 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_sdio_resume(struct device *dev)
+{
+       struct sdio_func *func = dev_to_sdio_func(dev);
+       struct sdio_mmc_card *card;
+       struct mwifiex_adapter *adapter;
+       mmc_pm_flag_t pm_flag = 0;
+
+       if (func) {
+               pm_flag = sdio_get_host_pm_caps(func);
+               card = sdio_get_drvdata(func);
+               if (!card || !card->adapter) {
+                       pr_err("resume: invalid card or adapter\n");
+                       return 0;
+               }
+       } else {
+               pr_err("resume: sdio_func 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;
+
+       /* Disable Host Sleep */
+       mwifiex_cancel_hs(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA),
+                         MWIFIEX_ASYNC_CMD);
+
+       return 0;
+}
+
 /*
  * SDIO remove.
  *
@@ -212,51 +254,6 @@ static int mwifiex_sdio_suspend(struct device *dev)
        return ret;
 }
 
-/*
- * SDIO resume.
- *
- * 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_sdio_resume(struct device *dev)
-{
-       struct sdio_func *func = dev_to_sdio_func(dev);
-       struct sdio_mmc_card *card;
-       struct mwifiex_adapter *adapter;
-       mmc_pm_flag_t pm_flag = 0;
-
-       if (func) {
-               pm_flag = sdio_get_host_pm_caps(func);
-               card = sdio_get_drvdata(func);
-               if (!card || !card->adapter) {
-                       pr_err("resume: invalid card or adapter\n");
-                       return 0;
-               }
-       } else {
-               pr_err("resume: sdio_func 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;
-
-       /* Disable Host Sleep */
-       mwifiex_cancel_hs(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA),
-                         MWIFIEX_ASYNC_CMD);
-
-       return 0;
-}
-
 /* Device ID for SD8786 */
 #define SDIO_DEVICE_ID_MARVELL_8786   (0x9116)
 /* Device ID for SD8787 */
@@ -706,6 +703,65 @@ static void mwifiex_sdio_disable_host_int(struct mwifiex_adapter *adapter)
        sdio_release_host(func);
 }
 
+/*
+ * This function reads the interrupt status from card.
+ */
+static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter)
+{
+       struct sdio_mmc_card *card = adapter->card;
+       u8 sdio_ireg;
+       unsigned long flags;
+
+       if (mwifiex_read_data_sync(adapter, card->mp_regs,
+                                  card->reg->max_mp_regs,
+                                  REG_PORT | MWIFIEX_SDIO_BYTE_MODE_MASK, 0)) {
+               dev_err(adapter->dev, "read mp_regs failed\n");
+               return;
+       }
+
+       sdio_ireg = card->mp_regs[HOST_INTSTATUS_REG];
+       if (sdio_ireg) {
+               /*
+                * DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS
+                * For SDIO new mode CMD port interrupts
+                *      DN_LD_CMD_PORT_HOST_INT_STATUS and/or
+                *      UP_LD_CMD_PORT_HOST_INT_STATUS
+                * Clear the interrupt status register
+                */
+               dev_dbg(adapter->dev, "int: sdio_ireg = %#x\n", sdio_ireg);
+               spin_lock_irqsave(&adapter->int_lock, flags);
+               adapter->int_status |= sdio_ireg;
+               spin_unlock_irqrestore(&adapter->int_lock, flags);
+       }
+}
+
+/*
+ * SDIO interrupt handler.
+ *
+ * This function reads the interrupt status from firmware and handles
+ * the interrupt in current thread (ksdioirqd) right away.
+ */
+static void
+mwifiex_sdio_interrupt(struct sdio_func *func)
+{
+       struct mwifiex_adapter *adapter;
+       struct sdio_mmc_card *card;
+
+       card = sdio_get_drvdata(func);
+       if (!card || !card->adapter) {
+               pr_debug("int: func=%p card=%p adapter=%p\n",
+                        func, card, card ? card->adapter : NULL);
+               return;
+       }
+       adapter = card->adapter;
+
+       if (!adapter->pps_uapsd_mode && adapter->ps_state == PS_STATE_SLEEP)
+               adapter->ps_state = PS_STATE_AWAKE;
+
+       mwifiex_interrupt_status(adapter);
+       mwifiex_main_process(adapter);
+}
+
 /*
  * This function enables the host interrupt.
  *
@@ -962,65 +1018,6 @@ static int mwifiex_check_fw_status(struct mwifiex_adapter *adapter,
        return ret;
 }
 
-/*
- * This function reads the interrupt status from card.
- */
-static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter)
-{
-       struct sdio_mmc_card *card = adapter->card;
-       u8 sdio_ireg;
-       unsigned long flags;
-
-       if (mwifiex_read_data_sync(adapter, card->mp_regs,
-                                  card->reg->max_mp_regs,
-                                  REG_PORT | MWIFIEX_SDIO_BYTE_MODE_MASK, 0)) {
-               dev_err(adapter->dev, "read mp_regs failed\n");
-               return;
-       }
-
-       sdio_ireg = card->mp_regs[HOST_INTSTATUS_REG];
-       if (sdio_ireg) {
-               /*
-                * DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS
-                * For SDIO new mode CMD port interrupts
-                *      DN_LD_CMD_PORT_HOST_INT_STATUS and/or
-                *      UP_LD_CMD_PORT_HOST_INT_STATUS
-                * Clear the interrupt status register
-                */
-               dev_dbg(adapter->dev, "int: sdio_ireg = %#x\n", sdio_ireg);
-               spin_lock_irqsave(&adapter->int_lock, flags);
-               adapter->int_status |= sdio_ireg;
-               spin_unlock_irqrestore(&adapter->int_lock, flags);
-       }
-}
-
-/*
- * SDIO interrupt handler.
- *
- * This function reads the interrupt status from firmware and handles
- * the interrupt in current thread (ksdioirqd) right away.
- */
-static void
-mwifiex_sdio_interrupt(struct sdio_func *func)
-{
-       struct mwifiex_adapter *adapter;
-       struct sdio_mmc_card *card;
-
-       card = sdio_get_drvdata(func);
-       if (!card || !card->adapter) {
-               pr_debug("int: func=%p card=%p adapter=%p\n",
-                        func, card, card ? card->adapter : NULL);
-               return;
-       }
-       adapter = card->adapter;
-
-       if (!adapter->pps_uapsd_mode && adapter->ps_state == PS_STATE_SLEEP)
-               adapter->ps_state = PS_STATE_AWAKE;
-
-       mwifiex_interrupt_status(adapter);
-       mwifiex_main_process(adapter);
-}
-
 /*
  * This function decodes a received packet.
  *