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asoc: wcd-dsp-mgr: reinit ssr ready flag for adsp/wdsp ssr

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When adsp/wdsp SSR happens, WDSP_SSR_TYPE_WDSP_DOWN/WDSP_SSR_TYPE_CDC_DOWN
would get received by wcd-dsp-mgr. wcd-dsp-mgr would clear current work and
init wdsp when adsp is up and ready_compl flag is set to ready. Sometimes
ready_compl flag is not cleared and wdsp initialization would happen when
adsp/wdsp is down which would cause kernel panic.
Reinit ready_compl flag when adsp/wdsp SSR happens.

Change-Id: I45186abba7992ee6912c5b0da171ef37b04e2e71
Signed-off-by: Meng Wang <mengw@codeaurora.org>
This commit is contained in:
Meng Wang
2018-07-25 16:31:40 +08:00
committed by Gerrit - the friendly Code Review server
parent 4d83b35b1b
commit d4e11ac7a4
1 changed files with 2 additions and 1 deletions
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3
asoc/codecs/wcd-dsp-mgr.c
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@@ -802,6 +802,7 @@ static int wdsp_ssr_handler(struct wdsp_mgr_priv *wdsp, void *arg,
__wdsp_clr_ready_locked(wdsp, WDSP_SSR_STATUS_WDSP_READY); __wdsp_clr_ready_locked(wdsp, WDSP_SSR_STATUS_WDSP_READY);
wdsp_broadcast_event_downseq(wdsp, WDSP_EVENT_PRE_SHUTDOWN, wdsp_broadcast_event_downseq(wdsp, WDSP_EVENT_PRE_SHUTDOWN,
NULL); NULL);
reinit_completion(&wdsp->ready_compl);
schedule_work(&wdsp->ssr_work); schedule_work(&wdsp->ssr_work);
break; break;
@@ -818,7 +819,7 @@ static int wdsp_ssr_handler(struct wdsp_mgr_priv *wdsp, void *arg,
WDSP_EVENT_PRE_SHUTDOWN, WDSP_EVENT_PRE_SHUTDOWN,
NULL); NULL);
} }
reinit_completion(&wdsp->ready_compl);
schedule_work(&wdsp->ssr_work); schedule_work(&wdsp->ssr_work);
break; break;