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Commit 47fce026 authored by Sujith.Manoharan@atheros.com's avatar Sujith.Manoharan@atheros.com Committed by John W. Linville
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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: default avatarSujith <Sujith.Manoharan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 1d8af8ca

drivers/net/wireless/ath/ath9k/hif_usb.c

+11 −11
Original line number Diff line number Diff line
@@ -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);

drivers/net/wireless/ath/ath9k/htc_hst.c

+19 −19
Original line number Diff line number Diff line
@@ -425,30 +425,20 @@ 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);

		return NULL;

	}



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;



	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;

	}

drivers/net/wireless/ath/ath9k/htc_hst.h

+5 −4
Original line number Diff line number Diff line
@@ -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 */