diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-25 07:54:27 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-27 19:02:59 +0200 |
| commit | ec0ad868173da8a75121f9dc116a5d5478ff614d (patch) | |
| tree | 7e43809be8ee2e9f9fb8c9ed0a80de9d1c737b18 /include/linux/greybus/bundle.h | |
| parent | 9c31973907fb157ac91f61f479e8bf43bb43aded (diff) | |
staging: greybus: move core include files to include/linux/greybus/
With the goal of moving the core of the greybus code out of staging, the
include files need to be moved to include/linux/greybus.h and
include/linux/greybus/
Cc: Vaibhav Hiremath <hvaibhav.linux@gmail.com>
Cc: Johan Hovold <johan@kernel.org>
Cc: Vaibhav Agarwal <vaibhav.sr@gmail.com>
Cc: Rui Miguel Silva <rmfrfs@gmail.com>
Cc: David Lin <dtwlin@gmail.com>
Cc: "Bryan O'Donoghue" <pure.logic@nexus-software.ie>
Cc: greybus-dev@lists.linaro.org
Cc: devel@driverdev.osuosl.org
Acked-by: Mark Greer <mgreer@animalcreek.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Alex Elder <elder@kernel.org>
Link: https://lore.kernel.org/r/20190825055429.18547-8-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/greybus/bundle.h')
| -rw-r--r-- | include/linux/greybus/bundle.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/include/linux/greybus/bundle.h b/include/linux/greybus/bundle.h new file mode 100644 index 000000000000..8734d2055657 --- /dev/null +++ b/include/linux/greybus/bundle.h @@ -0,0 +1,89 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Greybus bundles + * + * Copyright 2014 Google Inc. + * Copyright 2014 Linaro Ltd. + */ + +#ifndef __BUNDLE_H +#define __BUNDLE_H + +#include <linux/list.h> + +#define BUNDLE_ID_NONE U8_MAX + +/* Greybus "public" definitions" */ +struct gb_bundle { + struct device dev; + struct gb_interface *intf; + + u8 id; + u8 class; + u8 class_major; + u8 class_minor; + + size_t num_cports; + struct greybus_descriptor_cport *cport_desc; + + struct list_head connections; + u8 *state; + + struct list_head links; /* interface->bundles */ +}; +#define to_gb_bundle(d) container_of(d, struct gb_bundle, dev) + +/* Greybus "private" definitions" */ +struct gb_bundle *gb_bundle_create(struct gb_interface *intf, u8 bundle_id, + u8 class); +int gb_bundle_add(struct gb_bundle *bundle); +void gb_bundle_destroy(struct gb_bundle *bundle); + +/* Bundle Runtime PM wrappers */ +#ifdef CONFIG_PM +static inline int gb_pm_runtime_get_sync(struct gb_bundle *bundle) +{ + int retval; + + retval = pm_runtime_get_sync(&bundle->dev); + if (retval < 0) { + dev_err(&bundle->dev, + "pm_runtime_get_sync failed: %d\n", retval); + pm_runtime_put_noidle(&bundle->dev); + return retval; + } + + return 0; +} + +static inline int gb_pm_runtime_put_autosuspend(struct gb_bundle *bundle) +{ + int retval; + + pm_runtime_mark_last_busy(&bundle->dev); + retval = pm_runtime_put_autosuspend(&bundle->dev); + + return retval; +} + +static inline void gb_pm_runtime_get_noresume(struct gb_bundle *bundle) +{ + pm_runtime_get_noresume(&bundle->dev); +} + +static inline void gb_pm_runtime_put_noidle(struct gb_bundle *bundle) +{ + pm_runtime_put_noidle(&bundle->dev); +} + +#else +static inline int gb_pm_runtime_get_sync(struct gb_bundle *bundle) +{ return 0; } +static inline int gb_pm_runtime_put_autosuspend(struct gb_bundle *bundle) +{ return 0; } + +static inline void gb_pm_runtime_get_noresume(struct gb_bundle *bundle) {} +static inline void gb_pm_runtime_put_noidle(struct gb_bundle *bundle) {} +#endif + +#endif /* __BUNDLE_H */ |