ath9k_htc: Reorder HTC initialization

The HTC state has to be setup before initializing
the target because the ready message could possibly
come before the control endpoints in HTC have been
identified.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
index 453cf56eba7807114d7eabf475705a31711beded..46dc41a16faa23e9edbb213c55d39523c6fb0a41 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -859,21 +859,21 @@ static int ath9k_hif_usb_probe(struct usb_interface *interface,
 #endif
        usb_set_intfdata(interface, hif_dev);
 
+       hif_dev->htc_handle = ath9k_htc_hw_alloc(hif_dev, &hif_usb,
+                                                &hif_dev->udev->dev);
+       if (hif_dev->htc_handle == NULL) {
+               ret = -ENOMEM;
+               goto err_htc_hw_alloc;
+       }
+
        ret = ath9k_hif_usb_dev_init(hif_dev, fw_name);
        if (ret) {
                ret = -EINVAL;
                goto err_hif_init_usb;
        }
 
-       hif_dev->htc_handle = ath9k_htc_hw_alloc(hif_dev);
-       if (hif_dev->htc_handle == NULL) {
-               ret = -ENOMEM;
-               goto err_htc_hw_alloc;
-       }
-
-       ret = ath9k_htc_hw_init(&hif_usb, hif_dev->htc_handle, hif_dev,
-                               &hif_dev->udev->dev, hif_dev->device_id,
-                               ATH9K_HIF_USB);
+       ret = ath9k_htc_hw_init(hif_dev->htc_handle,
+                               &hif_dev->udev->dev, hif_dev->device_id);
        if (ret) {
                ret = -EINVAL;
                goto err_htc_hw_init;
@@ -884,10 +884,10 @@ static int ath9k_hif_usb_probe(struct usb_interface *interface,
        return 0;
 
 err_htc_hw_init:
-       ath9k_htc_hw_free(hif_dev->htc_handle);
-err_htc_hw_alloc:
        ath9k_hif_usb_dev_deinit(hif_dev);
 err_hif_init_usb:
+       ath9k_htc_hw_free(hif_dev->htc_handle);
+err_htc_hw_alloc:
        usb_set_intfdata(interface, NULL);
        kfree(hif_dev);
        usb_put_dev(udev);

diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.c b/drivers/net/wireless/ath/ath9k/htc_hst.c
index 7bf6ce1e7e2e6d9e7593d31c9982e92aeb6ebef4..2c8006ae27869bb02459e644677ba8913d253a32 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/htc_hst.c
+++ b/drivers/net/wireless/ath/ath9k/htc_hst.c
@@ -425,29 +425,19 @@ void ath9k_htc_rx_msg(struct htc_target *htc_handle,
        }
 }
 
-struct htc_target *ath9k_htc_hw_alloc(void *hif_handle)
+struct htc_target *ath9k_htc_hw_alloc(void *hif_handle,
+                                     struct ath9k_htc_hif *hif,
+                                     struct device *dev)
 {
+       struct htc_endpoint *endpoint;
        struct htc_target *target;
 
        target = kzalloc(sizeof(struct htc_target), GFP_KERNEL);
-       if (!target)
+       if (!target) {
                printk(KERN_ERR "Unable to allocate memory for"
                        "target device\n");
-
-       return target;
-}
-
-void ath9k_htc_hw_free(struct htc_target *htc)
-{
-       kfree(htc);
-}
-
-int ath9k_htc_hw_init(struct ath9k_htc_hif *hif, struct htc_target *target,
-                     void *hif_handle, struct device *dev, u16 devid,
-                     enum ath9k_hif_transports transport)
-{
-       struct htc_endpoint *endpoint;
-       int err = 0;
+               return NULL;
+       }
 
        init_completion(&target->target_wait);
        init_completion(&target->cmd_wait);
@@ -461,8 +451,18 @@ int ath9k_htc_hw_init(struct ath9k_htc_hif *hif, struct htc_target *target,
        endpoint->ul_pipeid = hif->control_ul_pipe;
        endpoint->dl_pipeid = hif->control_dl_pipe;
 
-       err = ath9k_htc_probe_device(target, dev, devid);
-       if (err) {
+       return target;
+}
+
+void ath9k_htc_hw_free(struct htc_target *htc)
+{
+       kfree(htc);
+}
+
+int ath9k_htc_hw_init(struct htc_target *target,
+                     struct device *dev, u16 devid)
+{
+       if (ath9k_htc_probe_device(target, dev, devid)) {
                printk(KERN_ERR "Failed to initialize the device\n");
                return -ENODEV;
        }

diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.h b/drivers/net/wireless/ath/ath9k/htc_hst.h
index ea50ab032d205fa92c62aba023e540b64a4ee3ad..d216c0f4d168d2c118ada3dd6fd850d947b061c1 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/htc_hst.h
+++ b/drivers/net/wireless/ath/ath9k/htc_hst.h
@@ -236,11 +236,12 @@ void ath9k_htc_rx_msg(struct htc_target *htc_handle,
 void ath9k_htc_txcompletion_cb(struct htc_target *htc_handle,
                               struct sk_buff *skb, bool txok);
 
-struct htc_target *ath9k_htc_hw_alloc(void *hif_handle);
+struct htc_target *ath9k_htc_hw_alloc(void *hif_handle,
+                                     struct ath9k_htc_hif *hif,
+                                     struct device *dev);
 void ath9k_htc_hw_free(struct htc_target *htc);
-int ath9k_htc_hw_init(struct ath9k_htc_hif *hif, struct htc_target *target,
-                     void *hif_handle, struct device *dev, u16 devid,
-                     enum ath9k_hif_transports transport);
+int ath9k_htc_hw_init(struct htc_target *target,
+                     struct device *dev, u16 devid);
 void ath9k_htc_hw_deinit(struct htc_target *target, bool hot_unplug);
 
 #endif /* HTC_HST_H */