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dsp: avtimer: Add adsp ready check before accessing avtimer registers

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Add adsp ready check before accessing avtimer registers in
order to avoid NOC errors on these registers during SSR/PDR
usecases while querying offset.

Change-Id: I9246302f01906ab35095c76f729ea082b9756cc5
Signed-off-by: Aditya Bavanari <abavanar@codeaurora.org>
This commit is contained in:
Aditya Bavanari
2019-09-18 20:42:10 +05:30
parent 33de327759
commit 156a57fbb5
1 changed files with 5 additions and 0 deletions
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5
dsp/avtimer.c
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@@ -335,6 +335,11 @@ int avcs_core_query_timer_offset(int64_t *av_offset, int32_t clock_id)
uint64_t avtimer_tick_temp, avtimer_tick, sys_time = 0; uint64_t avtimer_tick_temp, avtimer_tick, sys_time = 0;
struct timespec ts; struct timespec ts;
if (!atomic_read(&avtimer.adsp_ready)) {
pr_debug("%s:In SSR, return\n", __func__);
return -ENETRESET;
}
if ((avtimer.p_avtimer_lsw == NULL) || if ((avtimer.p_avtimer_lsw == NULL) ||
(avtimer.p_avtimer_msw == NULL)) { (avtimer.p_avtimer_msw == NULL)) {
return -EINVAL; return -EINVAL;