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Commit 132066a9 authored by Kenji Kaneshige's avatar Kenji Kaneshige Committed by Greg Kroah-Hartman
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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: default avatarKenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 6e33706b

drivers/pci/hotplug/pciehp_core.c

+14 −0
Original line number Diff line number Diff line
@@ -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;