Merge "msm: IPA: stop ODL GSI channel when PC happens" (127cc490) · Commits · e / devices / android_kernel_fairphone_FP4

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

+5 −0

Original line number	Diff line number	Diff line
		@@ -884,6 +884,11 @@ static void ipa_pm_sys_pipe_cb(void *p, enum ipa_pm_cb_event event)
		usleep_range(SUSPEND_MIN_SLEEP_RX,
		SUSPEND_MAX_SLEEP_RX);
		IPA_ACTIVE_CLIENTS_DEC_SPECIAL("PIPE_SUSPEND_LAN");
		} else if (sys->ep->client == IPA_CLIENT_ODL_DPL_CONS) {
		IPA_ACTIVE_CLIENTS_INC_SPECIAL("PIPE_SUSPEND_ODL");
		usleep_range(SUSPEND_MIN_SLEEP_RX,
		SUSPEND_MAX_SLEEP_RX);
		IPA_ACTIVE_CLIENTS_DEC_SPECIAL("PIPE_SUSPEND_ODL");
		} else
		IPAERR("Unexpected event %d\n for client %d\n",
		event, sys->ep->client);

+43 −0

Original line number	Diff line number	Diff line
		@@ -7498,6 +7498,49 @@ void ipa3_suspend_apps_pipes(bool suspend)
		if (suspend)
		ipa3_gsi_poll_after_suspend(ep);
		}

		ipa_ep_idx = ipa_get_ep_mapping(IPA_CLIENT_ODL_DPL_CONS);
		/* Considering the case for SSR. */
		if (ipa_ep_idx == -1) {
		IPADBG("Invalid mapping for IPA_CLIENT_ODL_DPL_CONS\n");
		return;
		}
		ep = &ipa3_ctx->ep[ipa_ep_idx];
		if (ep->valid) {
		IPADBG("%s pipe %d\n", suspend ? "suspend" : "unsuspend",
		ipa_ep_idx);
		/*
		* move the channel to callback mode.
		* This needs to happen before starting the channel to make
		* sure we don't loose any interrupt
		*/
		if (!suspend && !atomic_read(&ep->sys->curr_polling_state))
		gsi_config_channel_mode(ep->gsi_chan_hdl,
		GSI_CHAN_MODE_CALLBACK);
		if (ipa3_ctx->ipa_hw_type >= IPA_HW_v4_0) {
		if (suspend) {
		res = __ipa3_stop_gsi_channel(ipa_ep_idx);
		if (res) {
		IPAERR("failed to stop ODL channel\n");
		ipa_assert();
		}
		} else if (!atomic_read(&ipa3_ctx->is_ssr)) {
		/* If SSR was alreday started not required to
		* start WAN channel,Because in SSR will stop
		* channel and reset the channel.
		*/
		res = gsi_start_channel(ep->gsi_chan_hdl);
		if (res) {
		IPAERR("failed to start ODL channel\n");
		ipa_assert();
		}
		}
		} else {
		ipa3_cfg_ep_ctrl(ipa_ep_idx, &cfg);
		}
		if (suspend)
		ipa3_gsi_poll_after_suspend(ep);
		}
		}

		int ipa3_allocate_dma_task_for_gsi(void)