Merge "msm: ipa: Fix to release IPA clock during ap suspend" (9acc8253) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/platform/msm/ipa/ipa_v2/ipa.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -3472,6 +3472,7 @@ static int apps_cons_request_resource(void)

		static void ipa_sps_release_resource(struct work_struct *work)
		{
		mutex_lock(&ipa_ctx->sps_pm.sps_pm_lock);
		/* check whether still need to decrease client usage */
		if (atomic_read(&ipa_ctx->sps_pm.dec_clients)) {
		if (atomic_read(&ipa_ctx->sps_pm.eot_activity)) {
		@@ -3483,6 +3484,7 @@ static void ipa_sps_release_resource(struct work_struct *work)
		}
		}
		atomic_set(&ipa_ctx->sps_pm.eot_activity, 0);
		mutex_unlock(&ipa_ctx->sps_pm.sps_pm_lock);
		}

		int ipa_create_apps_resource(void)
		@@ -3941,6 +3943,9 @@ static int ipa_init(const struct ipa_plat_drv_res *resource_p,
		wakeup_source_init(&ipa_ctx->w_lock, "IPA_WS");
		spin_lock_init(&ipa_ctx->wakelock_ref_cnt.spinlock);

		/* Initialize the SPS PM lock. */
		mutex_init(&ipa_ctx->sps_pm.sps_pm_lock);

		/* Initialize IPA RM (resource manager) */
		result = ipa_rm_initialize();
		if (result) {

+2 −0

Original line number	Diff line number	Diff line
		@@ -1111,10 +1111,12 @@ struct ipa_uc_wdi_ctx {
		* @dec_clients: true if need to decrease active clients count
		* @eot_activity: represent EOT interrupt activity to determine to reset
		* the inactivity timer
		* @sps_pm_lock: Lock to protect the sps_pm functionality.
		*/
		struct ipa_sps_pm {
		atomic_t dec_clients;
		atomic_t eot_activity;
		struct mutex sps_pm_lock;
		};

		/**