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ath9k_htc: Optimize HTC start/stop API 

There is no point in looping over all the endpoints,
since the HIF layer uses the start/stop APIs only
for the TX pipe. Simplify the API accordingly.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2011-04-13 11:26:06 +05:30 committed by John W. Linville
parent b587fc81a8
commit e1fe7c38d3
3 changed files with 6 additions and 21 deletions
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4
drivers/net/wireless/ath/ath9k/hif_usb.c
View File

@ -310,7 +310,7 @@ static int hif_usb_send_tx(struct hif_device_usb *hif_dev, struct sk_buff *skb)
return 0;
}
static void hif_usb_start(void *hif_handle, u8 pipe_id)
static void hif_usb_start(void *hif_handle)
{
struct hif_device_usb *hif_dev = (struct hif_device_usb *)hif_handle;
unsigned long flags;
@ -322,7 +322,7 @@ static void hif_usb_start(void *hif_handle, u8 pipe_id)
spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags);
}
static void hif_usb_stop(void *hif_handle, u8 pipe_id)
static void hif_usb_stop(void *hif_handle)
{
struct hif_device_usb *hif_dev = (struct hif_device_usb *)hif_handle;
struct tx_buf *tx_buf = NULL, *tx_buf_tmp = NULL;

19
drivers/net/wireless/ath/ath9k/htc_hst.c
View File

@ -302,27 +302,12 @@ int htc_send_epid(struct htc_target *target, struct sk_buff *skb,
void htc_stop(struct htc_target *target)
{
enum htc_endpoint_id epid;
struct htc_endpoint *endpoint;
for (epid = ENDPOINT0; epid < ENDPOINT_MAX; epid++) {
endpoint = &target->endpoint[epid];
if (endpoint->service_id != 0)
target->hif->stop(target->hif_dev, endpoint->ul_pipeid);
}
target->hif->stop(target->hif_dev);
}
void htc_start(struct htc_target *target)
{
enum htc_endpoint_id epid;
struct htc_endpoint *endpoint;
for (epid = ENDPOINT0; epid < ENDPOINT_MAX; epid++) {
endpoint = &target->endpoint[epid];
if (endpoint->service_id != 0)
target->hif->start(target->hif_dev,
endpoint->ul_pipeid);
}
target->hif->start(target->hif_dev);
}
void ath9k_htc_txcompletion_cb(struct htc_target *htc_handle,

4
drivers/net/wireless/ath/ath9k/htc_hst.h
View File

@ -33,8 +33,8 @@ struct ath9k_htc_hif {
u8 control_dl_pipe;
u8 control_ul_pipe;
void (*start) (void *hif_handle, u8 pipe);
void (*stop) (void *hif_handle, u8 pipe);
void (*start) (void *hif_handle);
void (*stop) (void *hif_handle);
int (*send) (void *hif_handle, u8 pipe, struct sk_buff *buf);
};