A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-10 22:40:54 -04:00
Code Issues Projects Releases Packages Wiki Activity

msm: ipa3: Update channel start as success in flow control state

Browse source 
Observing race condition when we are starting the channel and
modem trying to offload flow_control on same channel. Add changes
to retrun success if channel state is flow control when trying to
start the channel.

Change-Id: Id254cd0e3e17c74e931d27cb96577224559c091e
Signed-off-by: Praveen Kurapati <pkurapat@codeaurora.org>
This commit is contained in:
Praveen Kurapati 2019-08-02 19:00:06 +05:30 • committed by Gerrit - the friendly Code Review server
commit 2c82e9319e
2 changed files with 5 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

6
drivers/platform/msm/gsi/gsi.c
View file

@ -172,7 +172,8 @@ static void gsi_channel_state_change_wait(unsigned long chan_hdl,
}
if (op == GSI_CH_START) {
if (curr_state == GSI_CHAN_STATE_STARTED) {
if (curr_state == GSI_CHAN_STATE_STARTED ||
curr_state == GSI_CHAN_STATE_FLOW_CONTROL) {
ctx->state = curr_state;
return;
}
@ -2981,7 +2982,8 @@ int gsi_start_channel(unsigned long chan_hdl)
ctx,
GSI_START_CMD_TIMEOUT_MS, op);
if (ctx->state != GSI_CHAN_STATE_STARTED) {
if (ctx->state != GSI_CHAN_STATE_STARTED &&
ctx->state != GSI_CHAN_STATE_FLOW_CONTROL) {
/*
* Hardware returned unexpected status, unexpected
* hardware state.

1
drivers/platform/msm/gsi/gsi.h
View file

@ -87,6 +87,7 @@ enum gsi_chan_state {
GSI_CHAN_STATE_STARTED = 0x2,
GSI_CHAN_STATE_STOPPED = 0x3,
GSI_CHAN_STATE_STOP_IN_PROC = 0x4,
GSI_CHAN_STATE_FLOW_CONTROL = 0x5,
GSI_CHAN_STATE_ERROR = 0xf
};