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device: Export enable_static_device() function 

The work done by enable_static_devices() and scan_generic_bus()
is common and can be used by other device handlers to enable a
single static device.

Signed-off-by: Duncan Laurie <dlaurie@google.com>
Change-Id: Ibfde9c4eb794714ebd9800e52b91169ceba15266
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46541
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Duncan Laurie 2020-10-18 15:04:41 -07:00 committed by Duncan Laurie
parent 2a507f734e
commit 3e4a14e153
2 changed files with 15 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
src/device/root_device.c
View File

@ -7,6 +7,18 @@
const char mainboard_name[] = CONFIG_MAINBOARD_VENDOR " " CONFIG_MAINBOARD_PART_NUMBER;
void enable_static_device(struct device *dev)
{
if (dev->chip_ops && dev->chip_ops->enable_dev)
dev->chip_ops->enable_dev(dev);
if (dev->ops && dev->ops->enable)
dev->ops->enable(dev);
printk(BIOS_DEBUG, "%s %s\n", dev_path(dev),
dev->enabled ? "enabled" : "disabled");
}
/**
* Enable devices on static buses.
*
@ -32,15 +44,7 @@ void enable_static_devices(struct device *bus)
for (link = bus->link_list; link; link = link->next) {
for (child = link->children; child; child = child->sibling) {
if (child->chip_ops && child->chip_ops->enable_dev)
child->chip_ops->enable_dev(child);
if (child->ops && child->ops->enable)
child->ops->enable(child);
printk(BIOS_DEBUG, "%s %s\n", dev_path(child),
child->enabled ? "enabled" : "disabled");
enable_static_device(child);
}
}
}
@ -58,18 +62,9 @@ void scan_generic_bus(struct device *bus)
link->secondary = ++bus_max;
for (child = link->children; child; child = child->sibling) {
if (child->chip_ops && child->chip_ops->enable_dev)
child->chip_ops->enable_dev(child);
if (child->ops && child->ops->enable)
child->ops->enable(child);
enable_static_device(child);
printk(BIOS_DEBUG, "bus: %s[%d]->", dev_path(child->bus->dev),
child->bus->link_num);
printk(BIOS_DEBUG, "%s %s\n", dev_path(child),
child->enabled ? "enabled" : "disabled");
}
}

1
src/include/device/device.h
View File

@ -358,6 +358,7 @@ static inline DEVTREE_CONST void *config_of_soc(void)
return config_of(pcidev_on_root(0, 0));
}
void enable_static_device(struct device *dev);
void enable_static_devices(struct device *bus);
void scan_smbus(struct device *bus);
void scan_generic_bus(struct device *bus);