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Merge "power: qti_battery_charger: Block PMIC GLINK Tx for debug battery"

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qctecmdr 2020-04-17 15:54:46 -07:00 • committed by Gerrit - the friendly Code Review server
commit 13ffc50455
1 changed files with 44 additions and 0 deletions
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44
drivers/power/supply/qti_battery_charger.c
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@ -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) {