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authorArthur Heymans <arthur@aheymans.xyz>2023-08-24 15:12:19 +0200
committerFelix Held <felix-coreboot@felixheld.de>2024-01-31 10:36:39 +0000
commit7fcd4d58ec7ea2da31c258ba9d8601f086d7f8d8 (patch)
tree1bddf10cecf4577fee207e0dbc6f7a5c1b10af13 /src/include/device
parent3138faa7cf1b91e0b56ad0b1be6260cf4251a284 (diff)
device/device.h: Rename busses for clarity
This renames bus to upstream and link_list to downstream. Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Change-Id: I80a81b6b8606e450ff180add9439481ec28c2420 Reviewed-on: https://review.coreboot.org/c/coreboot/+/78330 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Diffstat (limited to 'src/include/device')
-rw-r--r--src/include/device/device.h13
-rw-r--r--src/include/device/pci_ops.h4
2 files changed, 6 insertions, 11 deletions
diff --git a/src/include/device/device.h b/src/include/device/device.h
index 7e52f41a14..27ef82a8d7 100644
--- a/src/include/device/device.h
+++ b/src/include/device/device.h
@@ -95,8 +95,8 @@ struct bus {
*/
struct device {
- DEVTREE_CONST struct bus *bus; /* bus this device is on, for bridge
- * devices, it is the up stream bus */
+ DEVTREE_CONST struct bus *upstream;
+ DEVTREE_CONST struct bus *downstream;
DEVTREE_CONST struct device *sibling; /* next device on this bus */
@@ -124,11 +124,6 @@ struct device {
/* Base registers for this device. I/O, MEM and Expansion ROM */
DEVTREE_CONST struct resource *resource_list;
- /* links are (downstream) buses attached to the device, usually a leaf
- * device with no children has 0 buses attached and a bridge has 1 bus
- */
- DEVTREE_CONST struct bus *link_list;
-
#if !DEVTREE_EARLY
struct device_operations *ops;
struct chip_operations *chip_ops;
@@ -458,11 +453,11 @@ static inline DEVTREE_CONST void *config_of(const struct device *dev)
static inline bool is_root_device(const struct device *dev)
{
- if (!dev || !dev->bus)
+ if (!dev || !dev->upstream)
return false;
return (dev->path.type == DEVICE_PATH_ROOT) ||
- (dev->bus->dev == dev);
+ (dev->upstream->dev == dev);
}
void enable_static_device(struct device *dev);
diff --git a/src/include/device/pci_ops.h b/src/include/device/pci_ops.h
index de5f913566..90c59fb2a0 100644
--- a/src/include/device/pci_ops.h
+++ b/src/include/device/pci_ops.h
@@ -12,8 +12,8 @@ void __noreturn pcidev_die(void);
static __always_inline pci_devfn_t pcidev_bdf(const struct device *dev)
{
- return (dev->path.pci.devfn << 12) | (dev->bus->secondary << 20) |
- (dev->bus->segment_group << 28);
+ return (dev->path.pci.devfn << 12) | (dev->upstream->secondary << 20) |
+ (dev->upstream->segment_group << 28);
}
static __always_inline pci_devfn_t pcidev_assert(const struct device *dev)