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MDM:IPA3: Fixes issue with RNDIS and ECM suspend path

Browse source 
PM resources are released even when there are outstanding
packets leading to data stall hence resources are released
only when there are no outstanding packets.

Change-Id: I630737edfc9cadea1d8a99bdb6bb6fcbe76615d8
Signed-off-by: sivakanth vaka <svaka@codeaurora.org>
This commit is contained in:
Sivakanth vaka 2020-07-10 14:30:44 +05:30
commit 00100fbf02
2 changed files with 11 additions and 2 deletions
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5
drivers/platform/msm/ipa/ipa_clients/ecm_ipa.c
View file

@ -628,7 +628,8 @@ static netdev_tx_t ecm_ipa_start_xmit
fail_tx_packet:
out:
ipa_pm_deferred_deactivate(ecm_ipa_ctx->pm_hdl);
if (atomic_read(&ecm_ipa_ctx->outstanding_pkts) == 0)
ipa_pm_deferred_deactivate(ecm_ipa_ctx->pm_hdl);
fail_pm_activate:
return status;
}
@ -1180,6 +1181,8 @@ static void ecm_ipa_tx_complete_notify
netif_wake_queue(ecm_ipa_ctx->net);
}
if (atomic_read(&ecm_ipa_ctx->outstanding_pkts) == 0)
ipa_pm_deferred_deactivate(ecm_ipa_ctx->pm_hdl);
out:
dev_kfree_skb_any(skb);
}

8
drivers/platform/msm/ipa/ipa_clients/rndis_ipa.c
View file

@ -982,8 +982,10 @@ static netdev_tx_t rndis_ipa_start_xmit(struct sk_buff *skb,
fail_tx_packet:
rndis_ipa_xmit_error(skb);
out:
ipa_pm_deferred_deactivate(rndis_ipa_ctx->pm_hdl);
if (atomic_read(&rndis_ipa_ctx->outstanding_pkts) == 0)
ipa_pm_deferred_deactivate(rndis_ipa_ctx->pm_hdl);
fail_pm_activate:
RNDIS_IPA_DEBUG
("packet Tx done - %s\n",
(status == NETDEV_TX_OK) ? "OK" : "FAIL");
@ -1055,6 +1057,10 @@ static void rndis_ipa_tx_complete_notify(
RNDIS_IPA_DEBUG("send queue was awaken\n");
}
/*Release resource only when outstanding packets are zero*/
if (atomic_read(&rndis_ipa_ctx->outstanding_pkts) == 0)
ipa_pm_deferred_deactivate(rndis_ipa_ctx->pm_hdl);
out:
dev_kfree_skb_any(skb);
}