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Commit 13ffc504 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "power: qti_battery_charger: Block PMIC GLINK Tx for debug battery"

parents 21045cf7 1b2e28e2

drivers/power/supply/qti_battery_charger.c

+44 −0
Original line number Diff line number Diff line
@@ -5,6 +5,7 @@ 


#define pr_fmt(fmt)	"BATTERY_CHG: %s: " fmt, __func__



#include <linux/debugfs.h>

#include <linux/device.h>

#include <linux/module.h>

#include <linux/of.h>
@@ -145,12 +146,15 @@ struct battery_chg_dev { 
	struct mutex			rw_lock;

	struct completion		ack;

	struct psy_state		psy_list[PSY_TYPE_MAX];

	struct dentry			*debugfs_dir;

	u32				*thermal_levels;

	int				curr_thermal_level;

	int				num_thermal_levels;

	atomic_t			state;

	struct work_struct		subsys_up_work;

	int				fake_soc;

	bool				block_tx;

	bool				debug_battery_detected;

};



static const int battery_prop_map[BATT_PROP_MAX] = {
@@ -211,6 +215,9 @@ static int battery_chg_write(struct battery_chg_dev *bcdev, void *data, 
		return 0;

	}



	if (bcdev->debug_battery_detected && bcdev->block_tx)

		return 0;



	mutex_lock(&bcdev->rw_lock);

	reinit_completion(&bcdev->ack);

	rc = pmic_glink_write(bcdev->client, data, len);
@@ -383,6 +390,7 @@ static bool validate_message(struct battery_charger_resp_msg *resp_msg, 
	return true;

}



#define MODEL_DEBUG_BOARD	"Debug_Board"

static void handle_message(struct battery_chg_dev *bcdev, void *data,

				size_t len)

{
@@ -399,6 +407,8 @@ static void handle_message(struct battery_chg_dev *bcdev, void *data, 
		if (pst->model && len == sizeof(*model_resp_msg)) {

			memcpy(pst->model, model_resp_msg->model, MAX_STR_LEN);

			ack_set = true;

			bcdev->debug_battery_detected = !strcmp(pst->model,

					MODEL_DEBUG_BOARD);

			break;

		}
@@ -1008,6 +1018,38 @@ static struct attribute *battery_class_attrs[] = { 
};

ATTRIBUTE_GROUPS(battery_class);



#ifdef CONFIG_DEBUG_FS

static void battery_chg_add_debugfs(struct battery_chg_dev *bcdev)

{

	int rc;

	struct dentry *dir, *file;



	dir = debugfs_create_dir("battery_charger", NULL);

	if (IS_ERR(dir)) {

		rc = PTR_ERR(dir);

		pr_err("Failed to create charger debugfs directory, rc=%d\n",

			rc);

		return;

	}



	file = debugfs_create_bool("block_tx", 0600, dir, &bcdev->block_tx);

	if (IS_ERR(file)) {

		rc = PTR_ERR(file);

		pr_err("Failed to create block_tx debugfs file, rc=%d\n",

			rc);

		goto error;

	}



	bcdev->debugfs_dir = dir;



	return;

error:

	debugfs_remove_recursive(dir);

}

#else

static void battery_chg_add_debugfs(struct battery_chg_dev *bcdev) { }

#endif



static int battery_chg_parse_dt(struct battery_chg_dev *bcdev)

{

	struct device_node *node = bcdev->dev->of_node;
@@ -1144,6 +1186,7 @@ static int battery_chg_probe(struct platform_device *pdev) 
		goto error;

	}



	battery_chg_add_debugfs(bcdev);

	battery_chg_notify_enable(bcdev);



	return 0;
@@ -1157,6 +1200,7 @@ static int battery_chg_remove(struct platform_device *pdev) 
	struct battery_chg_dev *bcdev = platform_get_drvdata(pdev);

	int rc;



	debugfs_remove_recursive(bcdev->debugfs_dir);

	class_unregister(&bcdev->battery_class);

	rc = pmic_glink_unregister_client(bcdev->client);

	if (rc < 0) {