Merge "msm: ipa3: halt modem channels as part of SSR" (99d5011c) · Commits · e / devices / android_kernel_xiaomi_markw

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

+45 −1

Original line number	Diff line number	Diff line
		@@ -1878,6 +1878,45 @@ static void ipa3_q6_avoid_holb(void)
		}
		}

		static void ipa3_halt_q6_cons_gsi_channels(void)
		{
		int ep_idx;
		int client_idx;
		const struct ipa_gsi_ep_config *gsi_ep_cfg;
		int ret;
		int code = 0;

		for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) {
		if (IPA_CLIENT_IS_Q6_CONS(client_idx)) {
		ep_idx = ipa3_get_ep_mapping(client_idx);
		if (ep_idx == -1)
		continue;

		gsi_ep_cfg = ipa3_get_gsi_ep_info(ep_idx);
		if (!gsi_ep_cfg) {
		IPAERR("failed to get GSI config\n");
		ipa_assert();
		return;
		}

		ret = gsi_halt_channel_ee(
		gsi_ep_cfg->ipa_gsi_chan_num, gsi_ep_cfg->ee,
		&code);
		if (ret == GSI_STATUS_SUCCESS)
		IPADBG("halted gsi ch %d ee %d with code %d\n",
		gsi_ep_cfg->ipa_gsi_chan_num,
		gsi_ep_cfg->ee,
		code);
		else
		IPAERR("failed to halt ch %d ee %d code %d\n",
		gsi_ep_cfg->ipa_gsi_chan_num,
		gsi_ep_cfg->ee,
		code);
		}
		}
		}


		static int ipa3_q6_clean_q6_flt_tbls(enum ipa_ip_type ip,
		enum ipa_rule_type rlt, const struct ipa_mem_buffer *mem)
		{
		@@ -2308,13 +2347,18 @@ void ipa3_q6_post_shutdown_cleanup(void)
		int client_idx;

		IPADBG_LOW("ENTER\n");
		IPA_ACTIVE_CLIENTS_INC_SIMPLE();

		if (!ipa3_ctx->uc_ctx.uc_loaded) {
		IPAERR("uC is not loaded. Skipping\n");
		return;
		}

		IPA_ACTIVE_CLIENTS_INC_SIMPLE();

		/* Handle the issue where SUSPEND was removed for some reason */
		ipa3_q6_avoid_holb();
		ipa3_halt_q6_cons_gsi_channels();

		for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++)
		if (IPA_CLIENT_IS_Q6_PROD(client_idx)) {
		if (ipa3_uc_is_gsi_channel_empty(client_idx)) {