Emulation/switch-coreboot
1
0
Fork 0
mirror of https://github.com/fail0verflow/switch-coreboot.git synced 2025-05-04 01:39:18 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

devicetree: Search PnP device node from the tree by path

Browse source 
Copied from device_util.c with added ROMSTAGE_CONST.

Change-Id: If872631ed96a79b9a0b15e09382d6f81098c8db3
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/8297
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
This commit is contained in:
Kyösti Mälkki 2015-01-28 22:03:46 +02:00
parent 20c2c4b277
commit 9664345586
2 changed files with 22 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
src/device/device_romstage.c
View file

@ -101,3 +101,24 @@ ROMSTAGE_CONST struct device *dev_find_slot_on_smbus(unsigned int bus,
}
return result;
}
/**
* Given a PnP port and a device number, find the device structure.
*
* @param port The I/O port.
* @param device Logical device number.
* @return Pointer to the device structure (if found), 0 otherwise.
*/
ROMSTAGE_CONST struct device *dev_find_slot_pnp(u16 port, u16 device)
{
ROMSTAGE_CONST struct device *dev;
for (dev = all_devices; dev; dev = dev->next) {
if ((dev->path.type == DEVICE_PATH_PNP) &&
(dev->path.pnp.port == port) &&
(dev->path.pnp.device == device)) {
return dev;
}
}
return 0;
}

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

@ -261,6 +261,7 @@ ROMSTAGE_CONST struct device *dev_find_next_pci_device(
ROMSTAGE_CONST struct device *previous_dev);
ROMSTAGE_CONST struct device * dev_find_slot_on_smbus (unsigned int bus,
unsigned int addr);
ROMSTAGE_CONST struct device * dev_find_slot_pnp(u16 port, u16 device);
#endif