samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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
parent 9b22e915ef
commit 00100fbf02
2 changed files with 11 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/platform/msm/ipa/ipa_clients/ecm_ipa.c
View File

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

6
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: fail_tx_packet:
rndis_ipa_xmit_error(skb); rndis_ipa_xmit_error(skb);
out: out:
if (atomic_read(&rndis_ipa_ctx->outstanding_pkts) == 0)
ipa_pm_deferred_deactivate(rndis_ipa_ctx->pm_hdl); ipa_pm_deferred_deactivate(rndis_ipa_ctx->pm_hdl);
fail_pm_activate: fail_pm_activate:
RNDIS_IPA_DEBUG RNDIS_IPA_DEBUG
("packet Tx done - %s\n", ("packet Tx done - %s\n",
(status == NETDEV_TX_OK) ? "OK" : "FAIL"); (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"); 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: out:
dev_kfree_skb_any(skb); dev_kfree_skb_any(skb);
} }