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msm:ipa: changes to defer remote channel starting for rndis connect

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this change defers starting of remote channels on device for rndis to
wan state ioctl is received thus avoiding double channel starts from
usb connect and wan state ioctl.

Change-Id: Ibd0960927496a1c2fd14b2df8fa94287dd2388a7
Signed-off-by: Michael Adisumarta <madisuma@codeaurora.org>
This commit is contained in:
Michael Adisumarta 2020-04-15 18:44:18 -07:00
parent 764c42be07
commit e5127624bd
1 changed files with 21 additions and 6 deletions
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27
drivers/platform/msm/ipa/ipa_v3/ipa_mpm.c
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@ -2744,11 +2744,18 @@ int ipa_mpm_mhip_xdci_pipe_enable(enum ipa_usb_teth_prot xdci_teth_prot)
}
}
if (probe_id == IPA_MPM_MHIP_CH_ID_MAX) {
if ((probe_id < IPA_MPM_MHIP_CH_ID_0) ||
(probe_id >= IPA_MPM_MHIP_CH_ID_MAX)) {
IPA_MPM_ERR("Unknown probe_id\n");
return 0;
}
if (probe_id == IPA_MPM_MHIP_CH_ID_0) {
/* For rndis, the MPM processing happens in WAN State IOCTL */
IPA_MPM_DBG("MPM Xdci connect for rndis, no -op\n");
return 0;
}
IPA_MPM_DBG("Connect xdci prot %d -> mhip_client = %d probe_id = %d\n",
xdci_teth_prot, mhip_client, probe_id);
@ -2793,7 +2800,7 @@ int ipa_mpm_mhip_xdci_pipe_enable(enum ipa_usb_teth_prot xdci_teth_prot)
atomic_set(&ipa_mpm_ctx->adpl_over_usb_available, 1);
return 0;
default:
IPA_MPM_DBG("mhip_client = %d not processed\n", mhip_client);
IPA_MPM_ERR("mhip_client = %d not processed\n", mhip_client);
if (is_acted) {
ret = ipa_mpm_vote_unvote_pcie_clk(CLK_OFF, probe_id,
false, &is_acted);
@ -2803,7 +2810,8 @@ int ipa_mpm_mhip_xdci_pipe_enable(enum ipa_usb_teth_prot xdci_teth_prot)
return ret;
}
}
return 0;
ipa_assert();
return -EINVAL;
}
if (mhip_client != IPA_MPM_MHIP_USB_DPL)
@ -2876,12 +2884,19 @@ int ipa_mpm_mhip_xdci_pipe_disable(enum ipa_usb_teth_prot xdci_teth_prot)
}
}
if (probe_id == IPA_MPM_MHIP_CH_ID_MAX) {
IPA_MPM_ERR("Invalid probe_id\n");
if ((probe_id < IPA_MPM_MHIP_CH_ID_0) ||
(probe_id >= IPA_MPM_MHIP_CH_ID_MAX)) {
IPA_MPM_ERR("Unknown probe_id\n");
return 0;
}
IPA_MPM_ERR("xdci disconnect prot %d mhip_client = %d probe_id = %d\n",
if (probe_id == IPA_MPM_MHIP_CH_ID_0) {
/* For rndis, the MPM processing happens in WAN State IOCTL */
IPA_MPM_DBG("MPM Xdci disconnect for rndis, no -op\n");
return 0;
}
IPA_MPM_DBG("xdci disconnect prot %d mhip_client = %d probe_id = %d\n",
xdci_teth_prot, mhip_client, probe_id);
/*
* Make sure to stop Device side channels before