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device/device.h: Rename busses for clarity

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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>
This commit is contained in:
Arthur Heymans
2023-08-24 15:12:19 +02:00
committed by Felix Held
parent 3138faa7cf
commit 7fcd4d58ec
104 changed files with 343 additions and 348 deletions
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13
src/include/device/device.h
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@@ -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);

4
src/include/device/pci_ops.h
View File

@@ -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)