Merge "msm: ipa: resume MHI Prime pipes for USB resume" (a7d897b3) · Commits · e / devices / android_kernel_xiaomi_nabu

drivers/platform/msm/ipa/ipa_clients/ipa_usb.c

+30 −6

Original line number	Diff line number	Diff line
		@@ -2057,7 +2057,7 @@ static int ipa3_usb_xdci_connect_internal(
		if (ipa3_is_mhip_offload_enabled()) {
		result = ipa_mpm_mhip_xdci_pipe_enable(params->teth_prot);
		if (result) {
		IPA_USB_ERR("failed to connect MHIP channel\n");
		IPA_USB_ERR("failed to enable MHIP channel\n");
		goto connect_teth_prot_fail;
		}
		}
		@@ -2560,7 +2560,7 @@ int ipa_usb_xdci_disconnect(u32 ul_clnt_hdl, u32 dl_clnt_hdl,
		if (ipa3_is_mhip_offload_enabled()) {
		result = ipa_mpm_mhip_xdci_pipe_disable(teth_prot);
		if (result) {
		IPA_USB_ERR("failed to disconnect MHIP channel\n");
		IPA_USB_ERR("failed to disconnect MHIP pipe\n");
		goto bad_params;
		}
		}
		@@ -2768,7 +2768,7 @@ static int ipa3_usb_suspend_no_remote_wakeup(u32 ul_clnt_hdl, u32 dl_clnt_hdl,
		if (ipa3_is_mhip_offload_enabled()) {
		result = ipa_mpm_mhip_xdci_pipe_disable(teth_prot);
		if (result) {
		IPA_USB_ERR("failed to disconnect MHIP channel\n");
		IPA_USB_ERR("failed to disconnect MHIP pipe\n");
		goto start_ul;
		}
		}
		@@ -2967,15 +2967,39 @@ static int ipa3_usb_resume_no_remote_wakeup(u32 ul_clnt_hdl, u32 dl_clnt_hdl,
		goto stop_ul;
		}

		/* Start MHIP channel */
		if (ipa3_is_mhip_offload_enabled()) {
		if (!IPA3_USB_IS_TTYPE_DPL(ttype)) {
		/* Start UL MHIP channel */
		result = ipa_mpm_mhip_ul_start_stop_data(MPM_MHIP_START,
		teth_prot);
		if (result) {
		IPA_USB_ERR("fail UL MHIP Data Start\n");
		goto stop_dl;
		}
		}
		result = ipa_mpm_mhip_xdci_pipe_enable(teth_prot);
		if (result) {
		IPA_USB_ERR("failed to enable MHIP pipe\n");
		goto stop_mhip_data;
		}
		}
		/* Change state to CONNECTED */
		if (!ipa3_usb_set_state(IPA_USB_CONNECTED, false, ttype)) {
		IPA_USB_ERR("failed to change state to connected\n");
		result = -EFAULT;
		goto stop_dl;
		goto stop_mhip;
		}

		return 0;

		stop_mhip:
		if (ipa3_is_mhip_offload_enabled())
		(void)ipa_mpm_mhip_xdci_pipe_disable(teth_prot);
		stop_mhip_data:
		/* Stop UL MHIP data */
		if (ipa3_is_mhip_offload_enabled() && !IPA3_USB_IS_TTYPE_DPL(ttype))
		(void)ipa_mpm_mhip_ul_start_stop_data(MPM_MHIP_STOP,
		teth_prot);
		stop_dl:
		(void)ipa3_xdci_disconnect(dl_clnt_hdl, false, -1);
		stop_ul: