[PATCH] shpchp: Remove Unused hpc_evelnt_lock

This patch removes unused hpc_event_lock. This patch has no functional
change.

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>

diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
index 3a8186c405f10f59ea7a7e769c15ad905a84f016..45facaad39bddc4ecec7135c0651408a31d0ac73 100644 (file)
--- a/drivers/pci/hotplug/shpchp_hpc.c
+++ b/drivers/pci/hotplug/shpchp_hpc.c
@@ -211,8 +211,6 @@
 #define SLOT_EVENT_LATCH       0x2
 #define SLOT_SERR_INT_MASK     0x3
 
-static spinlock_t hpc_event_lock;
-
 DEFINE_DBG_BUFFER              /* Debug string buffer for entire HPC defined here */
 static struct php_ctlr_state_s *php_ctlr_list_head;    /* HPC state linked list */
 static int ctlr_seq_num = 0;   /* Controller sequenc # */
@@ -1105,7 +1103,6 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
        void *instance_id = ctrl;
        int rc, num_slots = 0;
        u8 hp_slot;
-       static int first = 1;
        u32 shpc_base_offset;
        u32 tempdword, slot_reg, slot_config;
        u8 i;
@@ -1167,11 +1164,6 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
                ctrl->mmio_size = 0x24 + 0x4 * num_slots;
        }
 
-       if (first) {
-               spin_lock_init(&hpc_event_lock);
-               first = 0;
-       }
-
        info("HPC vendor_id %x device_id %x ss_vid %x ss_did %x\n", pdev->vendor, pdev->device, pdev->subsystem_vendor, 
                pdev->subsystem_device);