diff options
Diffstat (limited to 'drivers/peci/core.c')
| -rw-r--r-- | drivers/peci/core.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/peci/core.c b/drivers/peci/core.c index 73ad0a47fa9d..c3361e6e043a 100644 --- a/drivers/peci/core.c +++ b/drivers/peci/core.c @@ -29,6 +29,20 @@ struct device_type peci_controller_type = { .release = peci_controller_dev_release, }; +static int peci_controller_scan_devices(struct peci_controller *controller) +{ + int ret; + u8 addr; + + for (addr = PECI_BASE_ADDR; addr < PECI_BASE_ADDR + PECI_DEVICE_NUM_MAX; addr++) { + ret = peci_device_create(controller, addr); + if (ret) + return ret; + } + + return 0; +} + static struct peci_controller *peci_controller_alloc(struct device *dev, struct peci_controller_ops *ops) { @@ -64,10 +78,23 @@ err: return ERR_PTR(ret); } +static int unregister_child(struct device *dev, void *dummy) +{ + peci_device_destroy(to_peci_device(dev)); + + return 0; +} + static void unregister_controller(void *_controller) { struct peci_controller *controller = _controller; + /* + * Detach any active PECI devices. This can't fail, thus we do not + * check the returned value. + */ + device_for_each_child_reverse(&controller->dev, NULL, unregister_child); + device_unregister(&controller->dev); fwnode_handle_put(controller->dev.fwnode); @@ -113,6 +140,12 @@ struct peci_controller *devm_peci_controller_add(struct device *dev, if (ret) return ERR_PTR(ret); + /* + * Ignoring retval since failures during scan are non-critical for + * controller itself. + */ + peci_controller_scan_devices(controller); + return controller; err_fwnode: |