dm mpath: return parameter error

[linux-2.6-omap-h63xx.git] / drivers / edac / i3000_edac.c

diff --git a/drivers/edac/i3000_edac.c b/drivers/edac/i3000_edac.c
index 62d961e689730c69b830f271cec75e8223fe3140..6c9a0f2a593cd89fbc998182798bf1e21894d5ea 100644 (file)
--- a/drivers/edac/i3000_edac.c
+++ b/drivers/edac/i3000_edac.c
@@ -14,6 +14,7 @@
 #include <linux/pci.h>
 #include <linux/pci_ids.h>
 #include <linux/slab.h>
+#include <linux/edac.h>
 #include "edac_core.h"
 
 #define I3000_REVISION         "1.1"
@@ -43,6 +44,13 @@
                                 */
 #define I3000_DEAP_GRAIN               (1 << 7)
 
+/*
+ * Helper functions to decode the DEAP/EDEAP hardware registers.
+ *
+ * The type promotion here is deliberate; we're deriving an
+ * unsigned long pfn and offset from hardware regs which are u8/u32.
+ */
+
 static inline unsigned long deap_pfn(u8 edeap, u32 deap)
 {
        deap >>= PAGE_SHIFT;
@@ -486,6 +494,10 @@ static int __init i3000_init(void)
        int pci_rc;
 
        debugf3("MC: %s()\n", __func__);
+
+       /* Ensure that the OPSTATE is set correctly for POLL or NMI */
+       opstate_init();
+
        pci_rc = pci_register_driver(&i3000_driver);
        if (pci_rc < 0)
                goto fail0;
@@ -537,3 +549,6 @@ module_exit(i3000_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Akamai Technologies Arthur Ulfeldt/Jason Uhlenkott");
 MODULE_DESCRIPTION("MC support for Intel 3000 memory hub controllers");
+
+module_param(edac_op_state, int, 0444);
+MODULE_PARM_DESC(edac_op_state, "EDAC Error Reporting state: 0=Poll,1=NMI");