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devicetree: Change scan_bus() prototype in device ops

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The input/output value max is no longer used for tracking the
bus enumeration sequence, everything is handled in the context
of devicetree bus objects.

Change-Id: I545088bd8eaf205b1436d8c52d3bc7faf4cfb0f9
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/8541
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This commit is contained in:
Kyösti Mälkki
2015-03-19 21:04:23 +02:00
parent 2d2367cd95
commit 580e7223bb
31 changed files with 73 additions and 126 deletions
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17
src/device/pci_device.c
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@@ -1215,11 +1215,9 @@ static void pci_bridge_route(struct bus *link, scan_state state)
* This function is the default scan_bus() method for PCI bridge devices.
*
* @param dev Pointer to the bridge device.
* @param max The highest bus number assigned up to now.
* @param do_scan_bus TODO
* @return The maximum bus number found, after scanning all subordinate buses.
*/
unsigned int do_pci_scan_bridge(struct device *dev, unsigned int max,
void do_pci_scan_bridge(struct device *dev,
void (*do_scan_bus) (struct bus * bus,
unsigned min_devfn,
unsigned max_devfn))
@@ -1245,8 +1243,6 @@ unsigned int do_pci_scan_bridge(struct device *dev, unsigned int max,
do_scan_bus(bus, 0x00, 0xff);
pci_bridge_route(bus, PCI_ROUTE_FINAL);
return bus->subordinate;
}
/**
@@ -1258,12 +1254,10 @@ unsigned int do_pci_scan_bridge(struct device *dev, unsigned int max,
* This function is the default scan_bus() method for PCI bridge devices.
*
* @param dev Pointer to the bridge device.
* @param max The highest bus number assigned up to now.
* @return The maximum bus number found, after scanning all subordinate buses.
*/
unsigned int pci_scan_bridge(struct device *dev, unsigned int max)
void pci_scan_bridge(struct device *dev)
{
return do_pci_scan_bridge(dev, max, pci_scan_bus);
do_pci_scan_bridge(dev, pci_scan_bus);
}
/**
@@ -1272,14 +1266,11 @@ unsigned int pci_scan_bridge(struct device *dev, unsigned int max)
* This function is the default scan_bus() method for PCI domains.
*
* @param dev Pointer to the domain.
* @param max The highest bus number assigned up to now.
* @return The maximum bus number found, after scanning all subordinate busses.
*/
unsigned int pci_domain_scan_bus(device_t dev, unsigned int unused)
void pci_domain_scan_bus(device_t dev)
{
struct bus *link = dev->link_list;
pci_scan_bus(link, PCI_DEVFN(0, 0), 0xff);
return unused;
}
/**