Optimize GPS issue (ab211133) · Commits · e / devices / android_kernel_oneplus_sm8150

net/qrtr/qrtr.c

+15 −1

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@
		#include <linux/rwsem.h>
		#include <linux/ipc_logging.h>
		#include <linux/uidgid.h>
		#include <linux/pm_wakeup.h>

		#include <net/sock.h>

		@@ -149,6 +150,7 @@ static DEFINE_MUTEX(qrtr_port_lock);
		* @kworker: worker thread for recv work
		* @task: task to run the worker thread
		* @read_data: scheduled work for recv work
		* @ws: wakeupsource avoid system suspend
		* @ilc: ipc logging context reference
		*/
		struct qrtr_node {
		@@ -170,6 +172,8 @@ struct qrtr_node {
		struct task_struct *task;
		struct kthread_work read_data;

		struct wakeup_source *ws;

		void *ilc;
		};

		@@ -346,6 +350,7 @@ static void __qrtr_node_release(struct kref *kref)
		}
		mutex_unlock(&node->qrtr_tx_lock);

		wakeup_source_unregister(node->ws);
		kthread_flush_worker(&node->kworker);
		kthread_stop(node->task);

		@@ -609,10 +614,16 @@ static void qrtr_node_assign(struct qrtr_node *node, unsigned int nid)
		node->nid = nid;
		up_write(&qrtr_node_lock);

		if (!node->ilc) {
		snprintf(name, sizeof(name), "qrtr_%d", nid);
		if (!node->ilc) {
		node->ilc = ipc_log_context_create(QRTR_LOG_PAGE_CNT, name, 0);
		}
		/* create wakeup source for only NID = 0.
		* From other nodes sensor service stream samples
		* cause APPS suspend problems and power drain issue.
		*/
		if (!node->ws && nid == 0)
		node->ws = wakeup_source_register(name);
		}

		/**
		@@ -735,6 +746,9 @@ int qrtr_endpoint_post(struct qrtr_endpoint ep, const void data, size_t len)
		cb->type != QRTR_TYPE_RESUME_TX)
		goto err;

		if (node->ws && node->nid == 0)
		__pm_wakeup_event(node->ws, 0);

		skb_put_data(skb, data + hdrlen, size);
		qrtr_log_rx_msg(node, skb);