^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Greybus bundles
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright 2014-2015 Google Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright 2014-2015 Linaro Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/greybus.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "greybus_trace.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) static ssize_t bundle_class_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) struct gb_bundle *bundle = to_gb_bundle(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) return sprintf(buf, "0x%02x\n", bundle->class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) static DEVICE_ATTR_RO(bundle_class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) static ssize_t bundle_id_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) struct gb_bundle *bundle = to_gb_bundle(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) return sprintf(buf, "%u\n", bundle->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static DEVICE_ATTR_RO(bundle_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) static ssize_t state_show(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct gb_bundle *bundle = to_gb_bundle(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) if (!bundle->state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) return sprintf(buf, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) return sprintf(buf, "%s\n", bundle->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static ssize_t state_store(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) const char *buf, size_t size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct gb_bundle *bundle = to_gb_bundle(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) kfree(bundle->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) bundle->state = kstrdup(buf, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) if (!bundle->state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) /* Tell userspace that the file contents changed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) sysfs_notify(&bundle->dev.kobj, NULL, "state");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) return size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static DEVICE_ATTR_RW(state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) static struct attribute *bundle_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) &dev_attr_bundle_class.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) &dev_attr_bundle_id.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) &dev_attr_state.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) ATTRIBUTE_GROUPS(bundle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) static struct gb_bundle *gb_bundle_find(struct gb_interface *intf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) u8 bundle_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) struct gb_bundle *bundle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) list_for_each_entry(bundle, &intf->bundles, links) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) if (bundle->id == bundle_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) return bundle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) static void gb_bundle_release(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) struct gb_bundle *bundle = to_gb_bundle(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) trace_gb_bundle_release(bundle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) kfree(bundle->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) kfree(bundle->cport_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) kfree(bundle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) static void gb_bundle_disable_all_connections(struct gb_bundle *bundle)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) struct gb_connection *connection;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) list_for_each_entry(connection, &bundle->connections, bundle_links)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) gb_connection_disable(connection);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) static void gb_bundle_enable_all_connections(struct gb_bundle *bundle)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) struct gb_connection *connection;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) list_for_each_entry(connection, &bundle->connections, bundle_links)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) gb_connection_enable(connection);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) static int gb_bundle_suspend(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct gb_bundle *bundle = to_gb_bundle(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) const struct dev_pm_ops *pm = dev->driver->pm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) if (pm && pm->runtime_suspend) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) ret = pm->runtime_suspend(&bundle->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) gb_bundle_disable_all_connections(bundle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) ret = gb_control_bundle_suspend(bundle->intf->control, bundle->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) if (pm && pm->runtime_resume)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) ret = pm->runtime_resume(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) gb_bundle_enable_all_connections(bundle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) static int gb_bundle_resume(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) struct gb_bundle *bundle = to_gb_bundle(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) const struct dev_pm_ops *pm = dev->driver->pm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) ret = gb_control_bundle_resume(bundle->intf->control, bundle->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) if (pm && pm->runtime_resume) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) ret = pm->runtime_resume(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) gb_bundle_enable_all_connections(bundle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) static int gb_bundle_idle(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) pm_runtime_mark_last_busy(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) pm_request_autosuspend(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) static const struct dev_pm_ops gb_bundle_pm_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) SET_RUNTIME_PM_OPS(gb_bundle_suspend, gb_bundle_resume, gb_bundle_idle)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) struct device_type greybus_bundle_type = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) .name = "greybus_bundle",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) .release = gb_bundle_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) .pm = &gb_bundle_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) * Create a gb_bundle structure to represent a discovered
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) * bundle. Returns a pointer to the new bundle or a null
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) * pointer if a failure occurs due to memory exhaustion.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) struct gb_bundle *gb_bundle_create(struct gb_interface *intf, u8 bundle_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) u8 class)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) struct gb_bundle *bundle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) if (bundle_id == BUNDLE_ID_NONE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) dev_err(&intf->dev, "can't use bundle id %u\n", bundle_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) * Reject any attempt to reuse a bundle id. We initialize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) * these serially, so there's no need to worry about keeping
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) * the interface bundle list locked here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) if (gb_bundle_find(intf, bundle_id)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) dev_err(&intf->dev, "duplicate bundle id %u\n", bundle_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) bundle = kzalloc(sizeof(*bundle), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) if (!bundle)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) bundle->intf = intf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) bundle->id = bundle_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) bundle->class = class;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) INIT_LIST_HEAD(&bundle->connections);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) bundle->dev.parent = &intf->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) bundle->dev.bus = &greybus_bus_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) bundle->dev.type = &greybus_bundle_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) bundle->dev.groups = bundle_groups;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) bundle->dev.dma_mask = intf->dev.dma_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) device_initialize(&bundle->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) dev_set_name(&bundle->dev, "%s.%d", dev_name(&intf->dev), bundle_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) list_add(&bundle->links, &intf->bundles);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) trace_gb_bundle_create(bundle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) return bundle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) int gb_bundle_add(struct gb_bundle *bundle)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) ret = device_add(&bundle->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) dev_err(&bundle->dev, "failed to register bundle: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) trace_gb_bundle_add(bundle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) * Tear down a previously set up bundle.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) void gb_bundle_destroy(struct gb_bundle *bundle)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) trace_gb_bundle_destroy(bundle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) if (device_is_registered(&bundle->dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) device_del(&bundle->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) list_del(&bundle->links);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) put_device(&bundle->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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