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cnss2: Add pci link recovery check after the register dumps

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In some scenarios, during force firmware assert handler, the
pci link is going bad once the registers dumps are started.
Add code to do pci link recovery check after register dumps\
collection.

Change-Id: I7388e9bea1ffc789d6c4df4870233bf594e2d488
Signed-off-by: Mohammed Siddiq <msiddiq@codeaurora.org>
This commit is contained in:
Mohammed Siddiq 2021-05-10 16:04:56 +05:30 • committed by Gerrit - the friendly Code Review server
commit fb2d33f982
1 changed files with 4 additions and 4 deletions
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8
drivers/net/wireless/cnss2/pci.c
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@ -4750,6 +4750,10 @@ int cnss_pci_force_fw_assert_hdlr(struct cnss_pci_data *pci_priv)
return -EINVAL;
cnss_auto_resume(&pci_priv->pci_dev->dev);
mhi_debug_reg_dump(pci_priv->mhi_ctrl);
cnss_pci_dump_misc_reg(pci_priv);
cnss_pci_dump_shadow_reg(pci_priv);
/* If link is still down here, directly trigger link down recovery */
ret = cnss_pci_check_link_status(pci_priv);
if (ret) {
@ -4757,10 +4761,6 @@ int cnss_pci_force_fw_assert_hdlr(struct cnss_pci_data *pci_priv)
return 0;
}
mhi_debug_reg_dump(pci_priv->mhi_ctrl);
cnss_pci_dump_misc_reg(pci_priv);
cnss_pci_dump_shadow_reg(pci_priv);
ret = cnss_pci_set_mhi_state(pci_priv, CNSS_MHI_TRIGGER_RDDM);
if (ret) {
if (!test_bit(CNSS_MHI_POWER_ON, &pci_priv->mhi_state) ||