X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fedac%2Fi3000_edac.c;h=5d4292811c146285f45acc0f47ebe0618d210127;hb=c805df3d6205573fa7a8ef2334b1c8d67381dc8b;hp=62d961e689730c69b830f271cec75e8223fe3140;hpb=4d2b165eca960ae12767a6334c51416dca45756c;p=linux-2.6

diff --git a/drivers/edac/i3000_edac.c b/drivers/edac/i3000_edac.c
index 62d961e689..5d4292811c 100644
--- 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;
@@ -318,6 +326,15 @@ static int i3000_probe1(struct pci_dev *pdev, int dev_idx)
 		return -ENODEV;
 	}
 
+	switch (edac_op_state) {
+	case EDAC_OPSTATE_POLL:
+	case EDAC_OPSTATE_NMI:
+		break;
+	default:
+		edac_op_state = EDAC_OPSTATE_POLL;
+		break;
+	}
+
 	c0dra[0] = readb(window + I3000_C0DRA + 0);	/* ranks 0,1 */
 	c0dra[1] = readb(window + I3000_C0DRA + 1);	/* ranks 2,3 */
 	c1dra[0] = readb(window + I3000_C1DRA + 0);	/* ranks 0,1 */
@@ -537,3 +554,6 @@ 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");