Merge "soc: qcom: glink_smd_xprt: Defer channel close ACK operation" (05f93ebf) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/soc/qcom/glink_smd_xprt.c

+25 −5

Original line number	Diff line number	Diff line
		@@ -561,6 +561,24 @@ static void ssr_work_func(struct work_struct *work)
		mutex_unlock(&einfo->in_ssr_lock);
		}

		/**
		* deferred_close_ack() - Generate a deferred channel close ack
		* @work: The channel close ack work to generate.
		*/
		static void deferred_close_ack(struct work_struct *work)
		{
		struct channel_work *ch_work;
		struct channel *ch;

		ch_work = container_of(work, struct channel_work, work);
		ch = ch_work->ch;
		mutex_lock(&ch->edge->rx_cmd_lock);
		ch->edge->xprt_if.glink_core_if_ptr->rx_cmd_ch_close_ack(
		&ch->edge->xprt_if, ch->lcid);
		mutex_unlock(&ch->edge->rx_cmd_lock);
		kfree(ch_work);
		}

		/**
		* process_tx_done() - process a tx done task
		* @work: The tx done task to process.
		@@ -904,6 +922,7 @@ static void smd_data_ch_close(struct channel *ch)
		{
		struct intent_info *intent;
		unsigned long flags;
		struct channel_work *ch_work;

		SMDXPRT_INFO(ch->edge, "%s Closing SMD channel lcid %u\n",
		__func__, ch->lcid);
		@@ -924,11 +943,12 @@ static void smd_data_ch_close(struct channel *ch)
		smd_close(ch->smd_ch);
		ch->smd_ch = NULL;
		} else if (ch->local_legacy) {
		mutex_lock(&ch->edge->rx_cmd_lock);
		ch->edge->xprt_if.glink_core_if_ptr->rx_cmd_ch_close_ack(
		&ch->edge->xprt_if,
		ch->lcid);
		mutex_unlock(&ch->edge->rx_cmd_lock);
		ch_work = kzalloc(sizeof(*ch_work), GFP_KERNEL);
		if (ch_work) {
		ch_work->ch = ch;
		INIT_WORK(&ch_work->work, deferred_close_ack);
		queue_work(ch->wq, &ch_work->work);
		}
		}
		mutex_unlock(&ch->ch_probe_lock);