/* * UWB Multi-interface Controller device management. * * Copyright (C) 2007 Cambridge Silicon Radio Ltd. * * This file is released under the GNU GPL v2. */ #include #include #include #include static void umc_device_release(struct device *dev) { struct umc_dev *umc = to_umc_dev(dev); kfree(umc); } /** * umc_device_create - allocate a child UMC device * @parent: parent of the new UMC device. * @n: index of the new device. * * The new UMC device will have a bus ID of the parent with '-n' * appended. */ struct umc_dev *umc_device_create(struct device *parent, int n) { struct umc_dev *umc; umc = kzalloc(sizeof(struct umc_dev), GFP_KERNEL); if (umc) { dev_set_name(&umc->dev, "%s-%d", dev_name(parent), n); umc->dev.parent = parent; umc->dev.bus = &umc_bus_type; umc->dev.release = umc_device_release; umc->dev.dma_mask = parent->dma_mask; } return umc; } EXPORT_SYMBOL_GPL(umc_device_create); /** * umc_device_register - register a UMC device * @umc: pointer to the UMC device * * The memory resource for the UMC device is acquired and the device * registered with the system. */ int umc_device_register(struct umc_dev *umc) { int err; err = request_resource(umc->resource.parent, &umc->resource); if (err < 0) { dev_err(&umc->dev, "can't allocate resource range %pR: %d\n", &umc->resource, err); goto error_request_resource; } err = device_register(&umc->dev); if (err < 0) goto error_device_register; return 0; error_device_register: put_device(&umc->dev); release_resource(&umc->resource); error_request_resource: return err; } EXPORT_SYMBOL_GPL(umc_device_register); /** * umc_device_unregister - unregister a UMC device * @umc: pointer to the UMC device * * First we unregister the device, make sure the driver can do it's * resource release thing and then we try to release any left over * resources. We take a ref to the device, to make sure it doesn't * disappear under our feet. */ void umc_device_unregister(struct umc_dev *umc) { struct device *dev; if (!umc) return; dev = get_device(&umc->dev); device_unregister(&umc->dev); release_resource(&umc->resource); put_device(dev); } EXPORT_SYMBOL_GPL(umc_device_unregister); >
path: root/net/bluetooth/leds.h
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-01-16 09:34:37 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-16 09:34:37 -0800
commit2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc (patch)
tree4d8ea8e6ca52f1938269937834641205d8d888f0 /net/bluetooth/leds.h
parent49def1853334396f948dcb4cedb9347abb318df5 (diff)
parentce1ca7d2d140a1f4aaffd297ac487f246963dd2f (diff)
Merge tag 'nfsd-4.10-1' of git://linux-nfs.org/~bfields/linux
Pull nfsd fixes from Bruce Fields: "Miscellaneous nfsd bugfixes, one for a 4.10 regression, three for older bugs" * tag 'nfsd-4.10-1' of git://linux-nfs.org/~bfields/linux: svcrdma: avoid duplicate dma unmapping during error recovery sunrpc: don't call sleeping functions from the notifier block callbacks svcrpc: don't leak contexts on PROC_DESTROY nfsd: fix supported attributes for acl & labels
Diffstat (limited to 'net/bluetooth/leds.h')