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soc: qcom: implement notify_tx_abort() callback

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During subsystem restart, glink calls notify_tx_abort()
API instead of notify_tx_done() to inform that TX buffer
can be freed. Implement notify_tx_abort() to free TX buffer
during subsystem restart.

Change-Id: I164e4e2775c662821757151a4f2bb21a8c3fc37e
Signed-off-by: Vidyakumar Athota <vathota@codeaurora.org>
This commit is contained in:
Vidyakumar Athota 2016-11-04 15:29:50 -07:00
parent 758693b4a6
commit 2e16e3b6d0
1 changed files with 19 additions and 0 deletions
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19
drivers/soc/qcom/wcd-dsp-glink.c
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@ -184,6 +184,24 @@ static void wdsp_glink_notify_tx_done(void *handle, const void *priv,
kfree(pkt_priv); kfree(pkt_priv);
} }
/*
* wdsp_glink_notify_tx_abort - Glink notify tx abort callback to
* free tx buffer
* handle: Opaque Channel handle returned by GLink
* priv: Private pointer to the channel
* pkt_priv: Private pointer to the packet
*/
static void wdsp_glink_notify_tx_abort(void *handle, const void *priv,
const void *pkt_priv)
{
if (!pkt_priv) {
pr_err("%s: Invalid parameter\n", __func__);
return;
}
/* Free tx pkt */
kfree(pkt_priv);
}
/* /*
* wdsp_glink_notify_rx_intent_req - Glink notify rx intent request callback * wdsp_glink_notify_rx_intent_req - Glink notify rx intent request callback
* to queue buffer to receive from remote client * to queue buffer to receive from remote client
@ -382,6 +400,7 @@ static int wdsp_glink_open_ch(struct wdsp_glink_ch *ch)
open_cfg.edge = WDSP_EDGE; open_cfg.edge = WDSP_EDGE;
open_cfg.notify_rx = wdsp_glink_notify_rx; open_cfg.notify_rx = wdsp_glink_notify_rx;
open_cfg.notify_tx_done = wdsp_glink_notify_tx_done; open_cfg.notify_tx_done = wdsp_glink_notify_tx_done;
open_cfg.notify_tx_abort = wdsp_glink_notify_tx_abort;
open_cfg.notify_state = wdsp_glink_notify_state; open_cfg.notify_state = wdsp_glink_notify_state;
open_cfg.notify_rx_intent_req = wdsp_glink_notify_rx_intent_req; open_cfg.notify_rx_intent_req = wdsp_glink_notify_rx_intent_req;
open_cfg.priv = ch; open_cfg.priv = ch;