diff options
Diffstat (limited to 'drivers/acpi')
-rw-r--r-- | drivers/acpi/dock.c | 48 | ||||
-rw-r--r-- | drivers/acpi/scan.c | 28 |
2 files changed, 31 insertions, 45 deletions
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index a7c00ef78086..34affbda295e 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -88,43 +88,29 @@ static void dock_hotplug_event(struct dock_dependent_device *dd, u32 event, enum dock_callback_type cb_type) { struct acpi_device *adev = dd->adev; + acpi_hp_fixup fixup = NULL; + acpi_hp_uevent uevent = NULL; + acpi_hp_notify notify = NULL; acpi_lock_hp_context(); - if (!adev->hp) - goto out; - - if (cb_type == DOCK_CALL_FIXUP) { - void (*fixup)(struct acpi_device *); - - fixup = adev->hp->fixup; - if (fixup) { - acpi_unlock_hp_context(); - fixup(adev); - return; - } - } else if (cb_type == DOCK_CALL_UEVENT) { - void (*uevent)(struct acpi_device *, u32); - - uevent = adev->hp->uevent; - if (uevent) { - acpi_unlock_hp_context(); - uevent(adev, event); - return; - } - } else { - int (*notify)(struct acpi_device *, u32); - - notify = adev->hp->notify; - if (notify) { - acpi_unlock_hp_context(); - notify(adev, event); - return; - } + if (adev->hp) { + if (cb_type == DOCK_CALL_FIXUP) + fixup = adev->hp->fixup; + else if (cb_type == DOCK_CALL_UEVENT) + uevent = adev->hp->uevent; + else + notify = adev->hp->notify; } - out: acpi_unlock_hp_context(); + + if (fixup) + fixup(adev); + else if (uevent) + uevent(adev, event); + else if (notify) + notify(adev, event); } static struct dock_station *find_dock_station(acpi_handle handle) diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index d1464324de95..68f101323f53 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -73,8 +73,7 @@ void acpi_unlock_hp_context(void) void acpi_initialize_hp_context(struct acpi_device *adev, struct acpi_hotplug_context *hp, - int (*notify)(struct acpi_device *, u32), - void (*uevent)(struct acpi_device *, u32)) + acpi_hp_notify notify, acpi_hp_uevent uevent) { acpi_lock_hp_context(); hp->notify = notify; @@ -428,7 +427,7 @@ void acpi_device_hotplug(struct acpi_device *adev, u32 src) } else if (adev->flags.hotplug_notify) { error = acpi_generic_hotplug_event(adev, src); } else { - int (*notify)(struct acpi_device *, u32); + acpi_hp_notify notify; acpi_lock_hp_context(); notify = adev->hp ? adev->hp->notify : NULL; @@ -1298,10 +1297,10 @@ const char *acpi_device_hid(struct acpi_device *device) { struct acpi_hardware_id *hid; - if (list_empty(&device->pnp.ids)) + hid = list_first_entry_or_null(&device->pnp.ids, struct acpi_hardware_id, list); + if (!hid) return dummy_hid; - hid = list_first_entry(&device->pnp.ids, struct acpi_hardware_id, list); return hid->id; } EXPORT_SYMBOL(acpi_device_hid); @@ -1581,12 +1580,13 @@ int acpi_iommu_fwspec_init(struct device *dev, u32 id, struct fwnode_handle *fwnode, const struct iommu_ops *ops) { - int ret = iommu_fwspec_init(dev, fwnode, ops); + int ret; - if (!ret) - ret = iommu_fwspec_add_ids(dev, &id, 1); + ret = iommu_fwspec_init(dev, fwnode, ops); + if (ret) + return ret; - return ret; + return iommu_fwspec_add_ids(dev, &id, 1); } static inline const struct iommu_ops *acpi_iommu_fwspec_ops(struct device *dev) @@ -1625,12 +1625,11 @@ static int acpi_iommu_configure_id(struct device *dev, const u32 *id_in) if (!err && dev->bus) err = iommu_probe_device(dev); - /* Ignore all other errors apart from EPROBE_DEFER */ - if (err == -EPROBE_DEFER) { + if (err == -EPROBE_DEFER) return err; - } else if (err) { + if (err) { dev_dbg(dev, "Adding to IOMMU failed: %d\n", err); - return -ENODEV; + return err; } if (!acpi_iommu_fwspec_ops(dev)) return -ENODEV; @@ -1671,13 +1670,14 @@ int acpi_dma_configure_id(struct device *dev, enum dev_dma_attr attr, acpi_arch_dma_setup(dev); + /* Ignore all other errors apart from EPROBE_DEFER */ ret = acpi_iommu_configure_id(dev, input_id); if (ret == -EPROBE_DEFER) return -EPROBE_DEFER; /* * Historically this routine doesn't fail driver probing due to errors - * in acpi_iommu_configure_id() + * in acpi_iommu_configure_id(). */ arch_setup_dma_ops(dev, 0, U64_MAX, attr == DEV_DMA_COHERENT); |