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icnss2: Check for SSR before SOC Wake request

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There are scenarios when WLAN Host request for
SOC Wake during SSR. If WLAN FW receives the request
before FW_READY it ASSERT.
Avoid sending SOC Wake request to FW during SSR.

Change-Id: Ia42cc17149de7a33da0161a280c79d5dfce0f4c8
CRs-Fixed: 3435111
This commit is contained in:
Naman Padhiar
2023-03-16 12:46:44 +05:30
committed by Madan Koyyalamudi
parent 31dbde2074
commit 643d19ee98
1 changed files with 20 additions and 2 deletions
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22
icnss2/main.c
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@@ -486,8 +486,12 @@ static int icnss_send_smp2p(struct icnss_priv *priv,
return ret; return ret;
} }
if (test_bit(ICNSS_FW_DOWN, &priv->state)) if (test_bit(ICNSS_FW_DOWN, &priv->state) ||
return -ENODEV; !test_bit(ICNSS_FW_READY, &priv->state)) {
icnss_pr_smp2p("FW down, ignoring sending SMP2P state: 0x%lx\n",
priv->state);
return -EINVAL;
}
value |= priv->smp2p_info[smp2p_entry].seq++; value |= priv->smp2p_info[smp2p_entry].seq++;
value <<= ICNSS_SMEM_SEQ_NO_POS; value <<= ICNSS_SMEM_SEQ_NO_POS;
@@ -3303,6 +3307,13 @@ int icnss_force_wake_request(struct device *dev)
return -EINVAL; return -EINVAL;
} }
if (test_bit(ICNSS_FW_DOWN, &priv->state) ||
!test_bit(ICNSS_FW_READY, &priv->state)) {
icnss_pr_soc_wake("FW down, ignoring SOC Wake request state: 0x%lx\n",
priv->state);
return -EINVAL;
}
if (atomic_inc_not_zero(&priv->soc_wake_ref_count)) { if (atomic_inc_not_zero(&priv->soc_wake_ref_count)) {
icnss_pr_soc_wake("SOC already awake, Ref count: %d", icnss_pr_soc_wake("SOC already awake, Ref count: %d",
atomic_read(&priv->soc_wake_ref_count)); atomic_read(&priv->soc_wake_ref_count));
@@ -3332,6 +3343,13 @@ int icnss_force_wake_release(struct device *dev)
return -EINVAL; return -EINVAL;
} }
if (test_bit(ICNSS_FW_DOWN, &priv->state) ||
!test_bit(ICNSS_FW_READY, &priv->state)) {
icnss_pr_soc_wake("FW down, ignoring SOC Wake release state: 0x%lx\n",
priv->state);
return -EINVAL;
}
icnss_pr_soc_wake("Calling SOC Wake response"); icnss_pr_soc_wake("Calling SOC Wake response");
if (atomic_read(&priv->soc_wake_ref_count) && if (atomic_read(&priv->soc_wake_ref_count) &&