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authorKenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>2006-02-21 15:45:45 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2006-03-23 14:35:13 -0800
commitf7391f5325ea744f0632f7ef39a90085162743ac (patch)
treea7368b2ca639211743ba7fbc0dab7a9efaea02b7 /drivers/pci/hotplug/shpchp_hpc.c
parent68c0b671491088d79611fa965bbf94b3bc0024a4 (diff)
[PATCH] shpchp: event handling rework
The event handler of SHPCHP driver is unnecessarily very complex. In addition, current event handler can only a fixed number of events at the same time, and some of events would be lost if several number of events happened at the same time. This patch simplify the event handler by using 'work queue', and it also fix the above-mentioned issue. Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pci/hotplug/shpchp_hpc.c')
-rw-r--r--drivers/pci/hotplug/shpchp_hpc.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
index 943ed2b4dabe..b392606a905a 100644
--- a/drivers/pci/hotplug/shpchp_hpc.c
+++ b/drivers/pci/hotplug/shpchp_hpc.c
@@ -813,6 +813,7 @@ static void hpc_release_ctlr(struct controller *ctrl)
{
struct php_ctlr_state_s *php_ctlr = ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *p, *p_prev;
+ int i;
DBG_ENTER_ROUTINE
@@ -821,6 +822,14 @@ static void hpc_release_ctlr(struct controller *ctrl)
return ;
}
+ /*
+ * Mask all slot event interrupts
+ */
+ for (i = 0; i < ctrl->num_slots; i++)
+ writel(0xffff3fff, php_ctlr->creg + SLOT1 + (4 * i));
+
+ cleanup_slots(ctrl);
+
if (shpchp_poll_mode) {
del_timer(&php_ctlr->int_poll_timer);
} else {
@@ -830,6 +839,7 @@ static void hpc_release_ctlr(struct controller *ctrl)
pci_disable_msi(php_ctlr->pci_dev);
}
}
+
if (php_ctlr->pci_dev) {
iounmap(php_ctlr->creg);
release_mem_region(ctrl->mmio_base, ctrl->mmio_size);