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ath10k: remove wmi pending count limit

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It is no longer used nor necessary since WMI
commands can block.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Michal Kazior
2013-09-13 14:16:57 +02:00
committed by Kalle Valo
parent ed54388a38
commit 7cc2301636
4 changed files with 0 additions and 45 deletions
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32
drivers/net/wireless/ath/ath10k/wmi.c
View File

@@ -23,30 +23,6 @@
#include "wmi.h"
#include "mac.h"
void ath10k_wmi_flush_tx(struct ath10k *ar)
{
int ret;
lockdep_assert_held(&ar->conf_mutex);
if (ar->state == ATH10K_STATE_WEDGED) {
ath10k_warn("wmi flush skipped - device is wedged anyway\n");
return;
}
ret = wait_event_timeout(ar->wmi.wq,
atomic_read(&ar->wmi.pending_tx_count) == 0,
5*HZ);
if (atomic_read(&ar->wmi.pending_tx_count) == 0)
return;
if (ret == 0)
ret = -ETIMEDOUT;
if (ret < 0)
ath10k_warn("wmi flush failed (%d)\n", ret);
}
int ath10k_wmi_wait_for_service_ready(struct ath10k *ar)
{
int ret;
@@ -85,9 +61,6 @@ static struct sk_buff *ath10k_wmi_alloc_skb(u32 len)
static void ath10k_wmi_htc_tx_complete(struct ath10k *ar, struct sk_buff *skb)
{
dev_kfree_skb(skb);
if (atomic_sub_return(1, &ar->wmi.pending_tx_count) == 0)
wake_up(&ar->wmi.wq);
}
static int ath10k_wmi_cmd_send_nowait(struct ath10k *ar, struct sk_buff *skb,
@@ -1243,7 +1216,6 @@ int ath10k_wmi_attach(struct ath10k *ar)
{
init_completion(&ar->wmi.service_ready);
init_completion(&ar->wmi.unified_ready);
init_waitqueue_head(&ar->wmi.wq);
init_waitqueue_head(&ar->wmi.tx_credits_wq);
skb_queue_head_init(&ar->wmi.wmi_event_list);
@@ -1254,10 +1226,6 @@ int ath10k_wmi_attach(struct ath10k *ar)
void ath10k_wmi_detach(struct ath10k *ar)
{
/* HTC should've drained the packets already */
if (WARN_ON(atomic_read(&ar->wmi.pending_tx_count) > 0))
ath10k_warn("there are still pending packets\n");
cancel_work_sync(&ar->wmi.wmi_event_work);
skb_queue_purge(&ar->wmi.wmi_event_list);
}