PCI: Remove untested Electromechanical Interlock (EMI) support in pciehp.

The EMI support in pciehp is obviously broken. It is implemented using
struct hotplug_slot_attribute, but sysfs_ops for pci_slot_ktype is NOT
for struct hotplug_slot_attribute, but for struct pci_slot_attribute.
This bug had been there for a long time, maybe it was introduced when
PCI slot framework was introduced. The reason why this bug didn't
cause any problem is maybe the EMI support is not tested at all
because of lack of test environment.

As described above, the EMI support in pciehp seems not to be tested
at all. So this patch removes EMI support from pciehp, instead of
fixing the bug.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 0 insertions, 8 deletions

diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h
index 20998746518e..11936fd0b56d 100644
--- a/include/linux/pci_hotplug.h
+++ b/include/linux/pci_hotplug.h
@@ -66,14 +66,6 @@ enum pcie_link_speed {
         PCIE_LNK_SPEED_UNKNOWN  = 0xFF,
 };
 
-struct hotplug_slot;
-struct hotplug_slot_attribute {
-        struct attribute attr;
-        ssize_t (*show)(struct hotplug_slot *, char *);
-        ssize_t (*store)(struct hotplug_slot *, const char *, size_t);
-};
-#define to_hotplug_attr(n) container_of(n, struct hotplug_slot_attribute, attr);
-
 /**
  * struct hotplug_slot_ops -the callbacks that the hotplug pci core can use
  * @owner: The module owner of this structure