edac: i5100 fix unmask ecc bits

Explicitly unmask ECC errors we are interested in reporting.

Signed-off-by: Arthur Jones <ajones@riverbed.com>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/edac/i5100_edac.c b/drivers/edac/i5100_edac.c
index 509eec860c3..d85e7992eb6 100644
--- a/drivers/edac/i5100_edac.c
+++ b/drivers/edac/i5100_edac.c
@@ -75,6 +75,7 @@
 #define         I5100_FERR_NF_MEM_ANY(a)  ((a) & I5100_FERR_NF_MEM_ANY_MASK)
 #define I5100_NERR_NF_MEM       0xa4    /* MC Next Non-Fatal Errors */
 #define         I5100_NERR_NF_MEM_ANY(a)  I5100_FERR_NF_MEM_ANY(a)
+#define I5100_EMASK_MEM         0xa8    /* MC Error Mask Register */
 
 /* device 21 and 22, func 0 */
 #define I5100_MTR_0     0x154   /* Memory Technology Registers 0-3 */
@@ -709,6 +710,11 @@ static int __devinit i5100_init_one(struct pci_dev *pdev,
                 goto bail;
         }
 
+        /* enable error reporting... */
+        pci_read_config_dword(pdev, I5100_EMASK_MEM, &dw);
+        dw &= ~I5100_FERR_NF_MEM_ANY_MASK;
+        pci_write_config_dword(pdev, I5100_EMASK_MEM, dw);
+
         /* device 21, func 0, Channel 0 Memory Map, Error Flag/Mask, etc... */
         ch0mm = pci_get_device_func(PCI_VENDOR_ID_INTEL,
                                     PCI_DEVICE_ID_INTEL_5100_21, 0);