diff options
Diffstat (limited to 'drivers/power/supply/cros_peripheral_charger.c')
| -rw-r--r-- | drivers/power/supply/cros_peripheral_charger.c | 38 |
1 files changed, 32 insertions, 6 deletions
diff --git a/drivers/power/supply/cros_peripheral_charger.c b/drivers/power/supply/cros_peripheral_charger.c index 1379afd9698d..962a6fd29832 100644 --- a/drivers/power/supply/cros_peripheral_charger.c +++ b/drivers/power/supply/cros_peripheral_charger.c @@ -5,6 +5,7 @@ * Copyright 2020 Google LLC. */ +#include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/notifier.h> #include <linux/platform_data/cros_ec_commands.h> @@ -14,7 +15,7 @@ #include <linux/slab.h> #include <linux/stringify.h> #include <linux/types.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #define DRV_NAME "cros-ec-pchg" #define PCHG_DIR_PREFIX "peripheral" @@ -227,8 +228,7 @@ static int cros_pchg_get_prop(struct power_supply *psy, return 0; } -static int cros_pchg_event(const struct charger_data *charger, - unsigned long host_event) +static int cros_pchg_event(const struct charger_data *charger) { int i; @@ -256,7 +256,7 @@ static int cros_ec_notify(struct notifier_block *nb, if (!(host_event & EC_MKBP_PCHG_DEVICE_EVENT)) return NOTIFY_DONE; - return cros_pchg_event(charger, host_event); + return cros_pchg_event(charger); } static int cros_pchg_probe(struct platform_device *pdev) @@ -281,6 +281,8 @@ static int cros_pchg_probe(struct platform_device *pdev) charger->ec_dev = ec_dev; charger->ec_device = ec_device; + platform_set_drvdata(pdev, charger); + ret = cros_pchg_port_count(charger); if (ret <= 0) { /* @@ -349,15 +351,39 @@ static int cros_pchg_probe(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM_SLEEP +static int __maybe_unused cros_pchg_resume(struct device *dev) +{ + struct charger_data *charger = dev_get_drvdata(dev); + + /* + * Sync all ports on resume in case reports from EC are lost during + * the last suspend. + */ + cros_pchg_event(charger); + + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(cros_pchg_pm_ops, NULL, cros_pchg_resume); + +static const struct platform_device_id cros_pchg_id[] = { + { DRV_NAME, 0 }, + {} +}; +MODULE_DEVICE_TABLE(platform, cros_pchg_id); + static struct platform_driver cros_pchg_driver = { .driver = { .name = DRV_NAME, + .pm = &cros_pchg_pm_ops, }, - .probe = cros_pchg_probe + .probe = cros_pchg_probe, + .id_table = cros_pchg_id, }; module_platform_driver(cros_pchg_driver); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("ChromeOS EC peripheral device charger"); -MODULE_ALIAS("platform:" DRV_NAME); |