diff options
| -rw-r--r-- | drivers/mfd/cros_ec_dev.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c index c4b977a5dd96..d0c28a4c10ad 100644 --- a/drivers/mfd/cros_ec_dev.c +++ b/drivers/mfd/cros_ec_dev.c @@ -5,6 +5,7 @@ * Copyright (C) 2014 Google, Inc. */ +#include <linux/kconfig.h> #include <linux/mfd/core.h> #include <linux/mfd/cros_ec.h> #include <linux/module.h> @@ -87,6 +88,10 @@ static const struct mfd_cell cros_usbpd_charger_cells[] = { { .name = "cros-usbpd-logger", }, }; +static const struct mfd_cell cros_usbpd_notify_cells[] = { + { .name = "cros-usbpd-notify", }, +}; + static const struct cros_feature_to_cells cros_subdevices[] = { { .id = EC_FEATURE_CEC, @@ -203,6 +208,23 @@ static int ec_device_probe(struct platform_device *pdev) } /* + * The PD notifier driver cell is separate since it only needs to be + * explicitly added on platforms that don't have the PD notifier ACPI + * device entry defined. + */ + if (IS_ENABLED(CONFIG_OF)) { + if (cros_ec_check_features(ec, EC_FEATURE_USB_PD)) { + retval = mfd_add_hotplug_devices(ec->dev, + cros_usbpd_notify_cells, + ARRAY_SIZE(cros_usbpd_notify_cells)); + if (retval) + dev_err(ec->dev, + "failed to add PD notify devices: %d\n", + retval); + } + } + + /* * The following subdevices cannot be detected by sending the * EC_FEATURE_GET_CMD to the Embedded Controller device. */ |