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Commit 96635a1d authored by Yue Ma's avatar Yue Ma
Browse files

cnss2: Print string for MHI dev state 



This can clearly show the MHI dev states in the logs to help debug.

Change-Id: Iaa70704b5711b047c8479928ab4746fb5331a565
Signed-off-by: default avatarYue Ma <yuem@codeaurora.org>
parent 4ed096b9

drivers/net/wireless/cnss2/pci.c

+33 −6
Original line number Diff line number Diff line
@@ -829,6 +829,30 @@ static void cnss_mhi_pm_runtime_put_noidle(struct pci_dev *pci_dev) 
	pm_runtime_put_noidle(&pci_dev->dev);

}



static char *mhi_dev_state_to_str(enum mhi_dev_ctrl state)

{

	switch (state) {

	case MHI_DEV_CTRL_INIT:

		return "INIT";

	case MHI_DEV_CTRL_DE_INIT:

		return "DEINIT";

	case MHI_DEV_CTRL_POWER_ON:

		return "POWER_ON";

	case MHI_DEV_CTRL_POWER_OFF:

		return "POWER_OFF";

	case MHI_DEV_CTRL_SUSPEND:

		return "SUSPEND";

	case MHI_DEV_CTRL_RESUME:

		return "RESUME";

	case MHI_DEV_CTRL_RAM_DUMP:

		return "RAM_DUMP";

	case MHI_DEV_CTRL_NOTIFY_LINK_ERROR:

		return "NOTIFY_LINK_ERROR";

	default:

		return "UNKNOWN";

	}

};



static int cnss_pci_register_mhi(struct cnss_pci_data *pci_priv)

{

	int ret = 0;
@@ -924,11 +948,13 @@ static int cnss_pci_check_mhi_state_bit(struct cnss_pci_data *pci_priv, 
			return 0;

		break;

	default:

		cnss_pr_err("Unhandled MHI DEV state (%d)\n", mhi_dev_state);

		cnss_pr_err("Unhandled MHI DEV state: %s(%d)\n",

			    mhi_dev_state_to_str(mhi_dev_state), mhi_dev_state);

	}



	cnss_pr_err("Cannot set MHI DEV state (%d) in current MHI state (0x%lx)\n",

		    mhi_dev_state, pci_priv->mhi_state);

	cnss_pr_err("Cannot set MHI DEV state %s(%d) in current MHI state (0x%lx)\n",

		    mhi_dev_state_to_str(mhi_dev_state), mhi_dev_state,

		    pci_priv->mhi_state);



	return -EINVAL;

}
@@ -980,11 +1006,12 @@ int cnss_pci_set_mhi_state(struct cnss_pci_data *pci_priv, 
	if (ret)

		goto out;



	cnss_pr_dbg("Setting MHI DEV state (%d)\n", mhi_dev_state);

	cnss_pr_dbg("Setting MHI DEV state: %s(%d)\n",

		    mhi_dev_state_to_str(mhi_dev_state), mhi_dev_state);

	ret = mhi_pm_control_device(&pci_priv->mhi_dev, mhi_dev_state);

	if (ret) {

		cnss_pr_err("Failed to set MHI DEV state (%d)\n",

			    mhi_dev_state);

		cnss_pr_err("Failed to set MHI DEV state: %s(%d)\n",

			    mhi_dev_state_to_str(mhi_dev_state), mhi_dev_state);

		goto out;

	}