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Commit 9e3b6496 authored by Skylar Chang's avatar Skylar Chang
Browse files

msm: ipa: avoid wakelock acquire/release during data 



Hold IPA wakelock as long as IPA driver voted for IPA clocks
as part of suspend interrupt to avoid frequent acquire/release
of this resource.

Change-Id: I2fb4cbb201692023c328a7598a7f4e4ade541b3e
CRs-Fixed: 2133719
Acked-by: default avatarAdy Abraham <adya@qti.qualcomm.com>
Signed-off-by: default avatarSkylar Chang <chiaweic@codeaurora.org>
parent a8118139

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

+6 −0
Original line number Diff line number Diff line
@@ -3727,6 +3727,11 @@ void ipa_suspend_handler(enum ipa_irq_type interrupt, 
					atomic_set(

						&ipa_ctx->sps_pm.dec_clients,

						1);

					/*

					 * acquire wake lock as long as suspend

					 * vote is held

					 */

					ipa_inc_acquire_wakelock();

					ipa_sps_process_irq_schedule_rel();

				}

				mutex_unlock(&ipa_ctx->sps_pm.sps_pm_lock);
@@ -3799,6 +3804,7 @@ static void ipa_sps_release_resource(struct work_struct *work) 
			ipa_sps_process_irq_schedule_rel();

		} else {

			atomic_set(&ipa_ctx->sps_pm.dec_clients, 0);

			ipa_dec_release_wakelock();

			IPA_ACTIVE_CLIENTS_DEC_SPECIAL("SPS_RESOURCE");

		}

	}

drivers/platform/msm/ipa/ipa_v3/ipa.c

+6 −0
Original line number Diff line number Diff line
@@ -4030,6 +4030,11 @@ void ipa3_suspend_handler(enum ipa_irq_type interrupt, 
					atomic_set(

					&ipa3_ctx->transport_pm.dec_clients,

					1);

					/*

					 * acquire wake lock as long as suspend

					 * vote is held

					 */

					ipa3_inc_acquire_wakelock();

					ipa3_process_irq_schedule_rel();

				}

				mutex_unlock(&ipa3_ctx->transport_pm.
@@ -4110,6 +4115,7 @@ static void ipa3_transport_release_resource(struct work_struct *work) 
			ipa3_process_irq_schedule_rel();

		} else {

			atomic_set(&ipa3_ctx->transport_pm.dec_clients, 0);

			ipa3_dec_release_wakelock();

			IPA_ACTIVE_CLIENTS_DEC_SPECIAL("TRANSPORT_RESOURCE");

		}

	}