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src/device: Get device structure by path type

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Add helper function to find a device by path type
in the device tree.

Change-Id: I8846f63bd2488788ea3c7ab5154e7cf431a252bc
Credits-to: Aaron Durbin <adurbin@chromium.org>
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Signed-off-by: Dhaval V Sharma <dhaval.v.sharma@intel.com>
Reviewed-on: https://review.coreboot.org/17731
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
This commit is contained in:
Subrata Banik 2016-12-06 18:06:30 +05:30 • committed by Martin Roth
commit fe204fe902
2 changed files with 26 additions and 0 deletions
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src/include/device/device.h
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@ -195,6 +195,7 @@ device_t find_dev_path(struct bus *parent, struct device_path *path);
device_t alloc_find_dev(struct bus *parent, struct device_path *path);
device_t dev_find_device (u16 vendor, u16 device, device_t from);
device_t dev_find_class (unsigned int class, device_t from);
device_t dev_find_path(device_t prev_match, enum device_path_type path_type);
device_t dev_find_slot (unsigned int bus, unsigned int devfn);
device_t dev_find_slot_on_smbus (unsigned int bus, unsigned int addr);
device_t dev_find_slot_pnp(u16 port, u16 device);