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1/*2 * Copyright 2015 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Ben Skeggs <bskeggs@redhat.com>23 */24#include "priv.h"25 26static void27nvkm_bus_intr(struct nvkm_subdev *subdev)28{29 struct nvkm_bus *bus = nvkm_bus(subdev);30 bus->func->intr(bus);31}32 33static int34nvkm_bus_init(struct nvkm_subdev *subdev)35{36 struct nvkm_bus *bus = nvkm_bus(subdev);37 bus->func->init(bus);38 return 0;39}40 41static void *42nvkm_bus_dtor(struct nvkm_subdev *subdev)43{44 return nvkm_bus(subdev);45}46 47static const struct nvkm_subdev_func48nvkm_bus = {49 .dtor = nvkm_bus_dtor,50 .init = nvkm_bus_init,51 .intr = nvkm_bus_intr,52};53 54int55nvkm_bus_new_(const struct nvkm_bus_func *func, struct nvkm_device *device,56 enum nvkm_subdev_type type, int inst, struct nvkm_bus **pbus)57{58 struct nvkm_bus *bus;59 if (!(bus = *pbus = kzalloc(sizeof(*bus), GFP_KERNEL)))60 return -ENOMEM;61 nvkm_subdev_ctor(&nvkm_bus, device, type, inst, &bus->subdev);62 bus->func = func;63 return 0;64}65