Merge "msm: ipa: stop remote IPA channels if tethering is not enabled" (9eeb11db) · Commits · e / devices / android_kernel_oneplus_sm7250

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

+20 −7

Original line number	Diff line number	Diff line
		@@ -1489,9 +1489,20 @@ static void ipa_mpm_vote_unvote_ipa_clk(enum ipa_mpm_clk_vote_type vote,
		}
		}

		/**
		* @ipa_mpm_start_stop_remote_mhip_chan - Start/Stop Remote device side MHIP
		* channels.
		* @ipa_mpm_clk_vote_type - Vote or Unvote for PCIe Clock
		* @probe_id - MHI probe_id per client.
		* @ipa_mpm_start_stop_type - Start/Stop remote channels.
		* @is_force - Forcebly casts remote channels to be started/stopped.
		* should be true only in probe.
		* Return value: 0 if success or error value.
		*/
		static int ipa_mpm_start_stop_remote_mhip_chan(
		int probe_id,
		enum ipa_mpm_start_stop_type start_stop)
		enum ipa_mpm_start_stop_type start_stop,
		bool is_force)
		{
		int ret = 0;
		struct mhi_device *mhi_dev = ipa_mpm_ctx->md[probe_id].mhi_dev;
		@@ -1501,7 +1512,7 @@ static int ipa_mpm_start_stop_remote_mhip_chan(
		* the remote channels so no need to start it from here.
		*/
		mutex_lock(&ipa_mpm_ctx->md[probe_id].mhi_mutex);
		if (!ipa_mpm_ctx->md[probe_id].init_complete) {
		if (!ipa_mpm_ctx->md[probe_id].init_complete && !is_force) {
		IPA_MPM_ERR("MHI not initialized yet, probe in progress\n");
		mutex_unlock(&ipa_mpm_ctx->md[probe_id].mhi_mutex);
		return ret;
		@@ -1756,7 +1767,8 @@ int ipa_mpm_notify_wan_state(struct wan_ioctl_notify_wan_state *state)
		* Host IPA gets voted.
		*/
		ret = ipa_mpm_start_stop_remote_mhip_chan(probe_id,
		MPM_MHIP_START);
		MPM_MHIP_START,
		false);
		if (ret) {
		/*
		* This can fail only when modem is in SSR state.
		@@ -1819,7 +1831,8 @@ int ipa_mpm_notify_wan_state(struct wan_ioctl_notify_wan_state *state)
		* Host IPA gets devoted.
		*/
		ret = ipa_mpm_start_stop_remote_mhip_chan(probe_id,
		MPM_MHIP_STOP);
		MPM_MHIP_STOP,
		false);
		if (ret) {
		/*
		* This can fail only when modem is in SSR state.
		@@ -2297,7 +2310,7 @@ static int ipa_mpm_mhi_probe_cb(struct mhi_device *mhi_dev,
		* Host IPA gets unvoted.
		*/
		ret = ipa_mpm_start_stop_remote_mhip_chan(probe_id,
		MPM_MHIP_STOP);
		MPM_MHIP_STOP, true);
		if (ret) {
		/*
		* This can fail only when modem is in SSR.
		@@ -2577,7 +2590,7 @@ int ipa_mpm_mhip_xdci_pipe_enable(enum ipa_usb_teth_prot xdci_teth_prot)
		* Host IPA gets voted.
		*/
		ret = ipa_mpm_start_stop_remote_mhip_chan(probe_id,
		MPM_MHIP_START);
		MPM_MHIP_START, false);
		if (ret) {
		/*
		* This can fail only when modem is in SSR state.
		@@ -2699,7 +2712,7 @@ int ipa_mpm_mhip_xdci_pipe_disable(enum ipa_usb_teth_prot xdci_teth_prot)
		* Host IPA gets unvoted.
		*/
		ret = ipa_mpm_start_stop_remote_mhip_chan(probe_id,
		MPM_MHIP_STOP);
		MPM_MHIP_STOP, false);
		if (ret) {
		/*
		* This can fail only when modem is in SSR state.