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asoc: codecs: fix race condition of core vote and reg access

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Auto suspend timer for core vote is triggering before read write complete.
Move the auto suspend of core vote to post read write operation.

Change-Id: I758cf57bde4e0b56320ef18f6f17adc655fc8fcb
Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>
This commit is contained in:
Vatsal Bucha
2021-03-08 14:59:49 +05:30
committed by Gerrit - the friendly Code Review server
parent 45d07c545c
commit 79d3ed87ca
5 changed files with 78 additions and 32 deletions
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15
asoc/codecs/bolero/va-macro.c
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@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
/* Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
*/
#include <linux/module.h>
@@ -725,22 +725,25 @@ done:
static int va_macro_core_vote(void *handle, bool enable)
{
int rc = 0;
struct va_macro_priv *va_priv = (struct va_macro_priv *) handle;
if (va_priv == NULL) {
pr_err("%s: va priv data is NULL\n", __func__);
return -EINVAL;
}
if (enable) {
pm_runtime_get_sync(va_priv->dev);
if (bolero_check_core_votes(va_priv->dev))
rc = 0;
else
rc = -ENOTSYNC;
} else {
pm_runtime_put_autosuspend(va_priv->dev);
pm_runtime_mark_last_busy(va_priv->dev);
}
if (bolero_check_core_votes(va_priv->dev))
return 0;
else
return -EINVAL;
return rc;
}
static int va_macro_swrm_clock(void *handle, bool enable)