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msm: ipa: resume MHI Prime pipes for USB resume

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Fix to resume MHI Prime pipes for USB resume with a prior suspend
with no remote wakeup.

Change-Id: Ib95eb07f1d62c78eaa4aca02f75dd59abe225076
Acked-by: Jyothi J <jyothij@qti.qualcomm.com>
Signed-off-by: Michael Adisumarta <madisuma@codeaurora.org>
tirimbino
Michael Adisumarta 6 years ago
parent b53c6bb315
commit c9d273de9a
1 changed files with 30 additions and 6 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 36
      drivers/platform/msm/ipa/ipa_clients/ipa_usb.c

36
drivers/platform/msm/ipa/ipa_clients/ipa_usb.c
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@ -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;
}
}
@ -2536,7 +2536,7 @@ int ipa_usb_xdci_disconnect(u32 ul_clnt_hdl, u32 dl_clnt_hdl,
result = ipa_mpm_mhip_ul_start_stop_data(
MPM_MHIP_STOP, teth_prot);
if (result) {
IPA_USB_ERR("fail UL MHIPData stop\n");
IPA_USB_ERR("fail UL MHIP Data stop\n");
goto bad_params;
}
}
@ -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:

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