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msm: ipa3: Add wait queue for the adpl

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add changes to wait queue for the adpl.

Change-Id: I5330cbf7fe1439e04c011c143bdd68657469c36e
Signed-off-by: Ashok Vuyyuru <avuyyuru@codeaurora.org>
This commit is contained in:
Ashok Vuyyuru 2020-09-28 16:26:47 +05:30 committed by Gerrit - the friendly Code Review server
parent 2e5299cd17
commit 708cd30fd2
2 changed files with 7 additions and 5 deletions
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11
drivers/platform/msm/ipa/ipa_v3/ipa_odl.c
View file

@ -250,6 +250,7 @@ int ipa3_send_adpl_msg(unsigned long skb_data)
list_add_tail(&msg->link, &ipa3_odl_ctx->adpl_msg_list);
atomic_inc(&ipa3_odl_ctx->stats.numer_in_queue);
mutex_unlock(&ipa3_odl_ctx->adpl_msg_lock);
wake_up(&ipa3_odl_ctx->adpl_msg_waitq);
IPA_STATS_INC_CNT(ipa3_odl_ctx->stats.odl_rx_pkt);
return 0;
@ -534,7 +535,9 @@ static ssize_t ipa_adpl_read(struct file *filp, char __user *buf, size_t count,
int ret = 0;
char __user *start = buf;
struct ipa3_push_msg_odl *msg;
DEFINE_WAIT_FUNC(wait, woken_wake_function);
add_wait_queue(&ipa3_odl_ctx->adpl_msg_waitq, &wait);
while (1) {
IPADBG_LOW("Writing message to adpl pipe\n");
if (!ipa3_odl_ctx->odl_state.odl_open)
@ -579,9 +582,6 @@ static ssize_t ipa_adpl_read(struct file *filp, char __user *buf, size_t count,
IPA_STATS_INC_CNT(ipa3_odl_ctx->stats.odl_tx_diag_pkt);
kfree(msg);
msg = NULL;
} else {
ret = -EAGAIN;
break;
}
ret = -EAGAIN;
@ -594,9 +594,9 @@ static ssize_t ipa_adpl_read(struct file *filp, char __user *buf, size_t count,
if (start != buf)
break;
wait_woken(&wait, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT);
}
remove_wait_queue(&ipa3_odl_ctx->adpl_msg_waitq, &wait);
if (start != buf && ret != -EFAULT)
ret = buf - start;
@ -672,6 +672,7 @@ int ipa_odl_init(void)
odl_cdev = ipa3_odl_ctx->odl_cdev;
INIT_LIST_HEAD(&ipa3_odl_ctx->adpl_msg_list);
init_waitqueue_head(&ipa3_odl_ctx->adpl_msg_waitq);
mutex_init(&ipa3_odl_ctx->adpl_msg_lock);
mutex_init(&ipa3_odl_ctx->pipe_lock);

1
drivers/platform/msm/ipa/ipa_v3/ipa_odl.h
View file

@ -58,6 +58,7 @@ struct ipa_odl_context {
bool odl_ctl_msg_wq_flag;
struct ipa3_odlstats stats;
u32 odl_pm_hdl;
wait_queue_head_t adpl_msg_waitq;
};
struct ipa3_push_msg_odl {