Merge "msm: ipa3: Load IPA FW using PIL for MDM devices" (db0f7f9a) · Commits · e / devices / android_kernel_xiaomi_markw

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

+34 −29

Original line number	Diff line number	Diff line
		@@ -4537,12 +4537,12 @@ static void ipa3_post_init_wq(struct work_struct *work)
		ipa3_post_init(&ipa3_res, ipa3_ctx->dev);
		}

		static int ipa3_trigger_fw_loading_mdms(void)
		static int ipa3_manual_load_ipa_fws(void)
		{
		int result;
		const struct firmware *fw;

		IPADBG("FW loading process initiated\n");
		IPADBG("Manual FW loading process initiated\n");

		result = request_firmware(&fw, IPA_FWS_PATH, ipa3_ctx->dev);
		if (result < 0) {
		@@ -4558,7 +4558,7 @@ static int ipa3_trigger_fw_loading_mdms(void)

		result = ipa3_load_fws(fw, ipa3_res.transport_mem_base);
		if (result) {
		IPAERR("IPA FWs loading has failed\n");
		IPAERR("Manual IPA FWs loading has failed\n");
		release_firmware(fw);
		return result;
		}
		@@ -4574,15 +4574,15 @@ static int ipa3_trigger_fw_loading_mdms(void)

		release_firmware(fw);

		IPADBG("FW loading process is complete\n");
		IPADBG("Manual FW loading process is complete\n");
		return 0;
		}

		static int ipa3_trigger_fw_loading_msms(void)
		static int ipa3_pil_load_ipa_fws(void)
		{
		void *subsystem_get_retval = NULL;

		IPADBG("FW loading process initiated\n");
		IPADBG("PIL FW loading process initiated\n");

		subsystem_get_retval = subsystem_get(IPA_SUBSYSTEM_NAME);
		if (IS_ERR_OR_NULL(subsystem_get_retval)) {
		@@ -4590,7 +4590,7 @@ static int ipa3_trigger_fw_loading_msms(void)
		return -EINVAL;
		}

		IPADBG("FW loading process is complete\n");
		IPADBG("PIL FW loading process is complete\n");
		return 0;
		}

		@@ -4620,12 +4620,11 @@ static ssize_t ipa3_write(struct file file, const char __user buf,
		* We will trigger the process only if we're in GSI mode, otherwise,
		* we just ignore the write.
		*/
		if (ipa3_ctx->transport_prototype == IPA_TRANSPORT_TYPE_GSI) {
		IPA_ACTIVE_CLIENTS_INC_SIMPLE();
		if (ipa3_ctx->transport_prototype != IPA_TRANSPORT_TYPE_GSI)
		return count;

		if (ipa3_is_msm_device()) {
		result = ipa3_trigger_fw_loading_msms();
		} else {
		/* Check MHI configuration on MDM devices */
		if (!ipa3_is_msm_device()) {
		if (!strcasecmp(dbg_buff, "MHI")) {
		ipa3_ctx->ipa_config_is_mhi = true;
		pr_info(
		@@ -4634,20 +4633,26 @@ static ssize_t ipa3_write(struct file file, const char __user buf,
		pr_info(
		"IPA is loading with non MHI configuration\n");
		}
		result = ipa3_trigger_fw_loading_mdms();
		}
		/* No IPAv3.x chipsets that don't support FW loading */

		IPA_ACTIVE_CLIENTS_INC_SIMPLE();

		if (ipa3_is_msm_device() \|\| (ipa3_ctx->ipa_hw_type >= IPA_HW_v3_5))
		result = ipa3_pil_load_ipa_fws();
		else
		result = ipa3_manual_load_ipa_fws();

		IPA_ACTIVE_CLIENTS_DEC_SIMPLE();

		if (result) {
		IPAERR("FW loading process has failed\n");
		IPAERR("IPA FW loading process has failed\n");
		return result;
		} else {
		}

		queue_work(ipa3_ctx->transport_power_mgmt_wq,
		&ipa3_post_init_work);
		}
		}
		pr_info("IPA FW loaded successfully\n");

		return count;
		}