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[PATCH] pciehp: Implement get_address callback 

This patch implements .get_address callback of hotplug_slot_ops for
PCIEHP driver. With this patch, we can see bus address of hotplug
slots as follows:

	# cat /sys/bus/pci/slots/0010_0000/address
	0000:0a:00

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
hifive-unleashed-5.1
Kenji Kaneshige 2006-05-12 13:39:45 +09:00 committed by Greg Kroah-Hartman
parent 6e33706b19
commit 132066a9c8
1 changed files with 14 additions and 0 deletions
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14
drivers/pci/hotplug/pciehp_core.c
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@ -69,6 +69,7 @@ static int get_power_status (struct hotplug_slot *slot, u8 *value);
static int get_attention_status (struct hotplug_slot *slot, u8 *value);
static int get_latch_status (struct hotplug_slot *slot, u8 *value);
static int get_adapter_status (struct hotplug_slot *slot, u8 *value);
static int get_address (struct hotplug_slot *slot, u32 *value);
static int get_max_bus_speed (struct hotplug_slot *slot, enum pci_bus_speed *value);
static int get_cur_bus_speed (struct hotplug_slot *slot, enum pci_bus_speed *value);
@ -81,6 +82,7 @@ static struct hotplug_slot_ops pciehp_hotplug_slot_ops = {
.get_attention_status = get_attention_status,
.get_latch_status = get_latch_status,
.get_adapter_status = get_adapter_status,
.get_address = get_address,
.get_max_bus_speed = get_max_bus_speed,
.get_cur_bus_speed = get_cur_bus_speed,
};
@ -331,6 +333,18 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value)
return 0;
}
static int get_address(struct hotplug_slot *hotplug_slot, u32 *value)
{
struct slot *slot = hotplug_slot->private;
struct pci_bus *bus = slot->ctrl->pci_dev->subordinate;
dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
*value = (pci_domain_nr(bus) << 16) | (slot->bus << 8) | slot->device;
return 0;
}
static int get_max_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value)
{
struct slot *slot = hotplug_slot->private;