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Commit 2d69ae45 authored by Yue Ma's avatar Yue Ma
Browse files

cnss2: Dump MHI and CE registers when force RDDM fails 



Dump MHI and CE registers in order to debug forcing RDDM failure
related issues.

Change-Id: I9b3ab01d3e556c5edf0ae8555ad1973aca3ed10b
Signed-off-by: default avatarYue Ma <yuem@codeaurora.org>
parent 817c1496

drivers/net/wireless/cnss2/pci.c

+33 −32
Original line number Diff line number Diff line
@@ -2765,38 +2765,6 @@ static void cnss_pci_free_m3_mem(struct cnss_pci_data *pci_priv) 
	m3_mem->size = 0;

}



int cnss_pci_force_fw_assert_hdlr(struct cnss_pci_data *pci_priv)

{

	int ret;

	struct cnss_plat_data *plat_priv;



	if (!pci_priv)

		return -ENODEV;



	plat_priv = pci_priv->plat_priv;

	if (!plat_priv)

		return -ENODEV;



	cnss_auto_resume(&pci_priv->pci_dev->dev);

	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) {

		cnss_fatal_err("Failed to trigger RDDM, err = %d\n", ret);

		cnss_schedule_recovery(&pci_priv->pci_dev->dev,

				       CNSS_REASON_DEFAULT);

		return ret;

	}



	if (!test_bit(CNSS_DEV_ERR_NOTIFY, &plat_priv->driver_state)) {

		mod_timer(&plat_priv->fw_boot_timer,

			  jiffies + msecs_to_jiffies(FW_ASSERT_TIMEOUT));

	}



	return 0;

}



void cnss_pci_fw_boot_timeout_hdlr(struct cnss_pci_data *pci_priv)

{

	if (!pci_priv)
@@ -3310,6 +3278,39 @@ static void cnss_pci_dump_registers(struct cnss_pci_data *pci_priv) 
	cnss_pci_dump_ce_reg(pci_priv, CNSS_CE_10);

}



int cnss_pci_force_fw_assert_hdlr(struct cnss_pci_data *pci_priv)

{

	int ret;

	struct cnss_plat_data *plat_priv;



	if (!pci_priv)

		return -ENODEV;



	plat_priv = pci_priv->plat_priv;

	if (!plat_priv)

		return -ENODEV;



	cnss_auto_resume(&pci_priv->pci_dev->dev);

	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) {

		cnss_fatal_err("Failed to trigger RDDM, err = %d\n", ret);

		cnss_pci_dump_registers(pci_priv);

		cnss_schedule_recovery(&pci_priv->pci_dev->dev,

				       CNSS_REASON_DEFAULT);

		return ret;

	}



	if (!test_bit(CNSS_DEV_ERR_NOTIFY, &plat_priv->driver_state)) {

		mod_timer(&plat_priv->fw_boot_timer,

			  jiffies + msecs_to_jiffies(FW_ASSERT_TIMEOUT));

	}



	return 0;

}



void cnss_pci_collect_dump_info(struct cnss_pci_data *pci_priv, bool in_panic)

{

	struct cnss_plat_data *plat_priv = pci_priv->plat_priv;