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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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24
src/device/root_device.c
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@ -45,11 +45,9 @@ const char mainboard_name[] = CONFIG_MAINBOARD_VENDOR " " CONFIG_MAINBOARD_PART_
* file under some static bus in order to be enumerated at run time.
*
* @param bus Pointer to the device to which the static buses are attached to.
* @param max Maximum bus number currently used before scanning.
* @return The largest bus number used.
*/
static unsigned int scan_static_bus(device_t bus, unsigned int passthru)
static void scan_static_bus(device_t bus)
{
device_t child;
struct bus *link;
@ -67,22 +65,18 @@ static unsigned int scan_static_bus(device_t bus, unsigned int passthru)
child->enabled ? "enabled" : "disabled");
}
}
return passthru;
}
unsigned int scan_lpc_bus(device_t bus, unsigned int passthru)
void scan_lpc_bus(device_t bus)
{
printk(BIOS_SPEW, "%s for %s\n", __func__, dev_path(bus));
scan_static_bus(bus, 0);
scan_static_bus(bus);
printk(BIOS_SPEW, "%s for %s done\n", __func__, dev_path(bus));
return passthru;
}
unsigned int scan_smbus(device_t bus, unsigned int passthru)
void scan_smbus(device_t bus)
{
device_t child;
struct bus *link;
@ -111,8 +105,6 @@ unsigned int scan_smbus(device_t bus, unsigned int passthru)
}
printk(BIOS_SPEW, "%s for %s done\n", __func__, dev_path(bus));
return passthru;
}
/**
@ -121,23 +113,19 @@ unsigned int scan_smbus(device_t bus, unsigned int passthru)
* This function is the default scan_bus() method of the root device.
*
* @param root The root device structure.
* @param max The current bus number scanned so far, usually 0x00.
* @return The largest bus number used.
*/
static unsigned int root_dev_scan_bus(device_t bus, unsigned int passthru)
static void root_dev_scan_bus(device_t bus)
{
struct bus *link;
printk(BIOS_SPEW, "%s for %s\n", __func__, dev_path(bus));
scan_static_bus(bus, 0);
scan_static_bus(bus);
for (link = bus->link_list; link; link = link->next)
scan_bridges(link);
printk(BIOS_SPEW, "%s for %s done\n", __func__, dev_path(bus));
return passthru;
}
static void root_dev_reset(struct bus *bus)