i7300_edac: Add a code to cleanup error registers

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 27 insertions, 2 deletions

diff --git a/drivers/edac/i7300_edac.c b/drivers/edac/i7300_edac.c
index 728f9b0ab62c..3b6da20de4e5 100644
--- a/drivers/edac/i7300_edac.c
+++ b/drivers/edac/i7300_edac.c
@@ -470,9 +470,34 @@ static void i7300_process_error_info(struct mem_ctl_info *mci,
  */
 static void i7300_clear_error(struct mem_ctl_info *mci)
 {
-        struct i7300_error_info info;
+        struct i7300_pvt *pvt = mci->pvt_info;
+        u32 value;
+        /*
+         * All error values are RWC - we need to read and write 1 to the
+         * bit that we want to cleanup
+         */
 
-        i7300_get_error_info(mci, &info);
+        /* Clear global error registers */
+        pci_read_config_dword(pvt->pci_dev_16_2_fsb_err_regs,
+                              FERR_GLOBAL_HI, &value);
+        pci_write_config_dword(pvt->pci_dev_16_2_fsb_err_regs,
+                              FERR_GLOBAL_HI, value);
+
+        pci_read_config_dword(pvt->pci_dev_16_2_fsb_err_regs,
+                              FERR_GLOBAL_LO, &value);
+        pci_write_config_dword(pvt->pci_dev_16_2_fsb_err_regs,
+                              FERR_GLOBAL_LO, value);
+
+        /* Clear FBD error registers */
+        pci_read_config_dword(pvt->pci_dev_16_1_fsb_addr_map,
+                              FERR_FAT_FBD, &value);
+        pci_write_config_dword(pvt->pci_dev_16_1_fsb_addr_map,
+                              FERR_FAT_FBD, value);
+
+        pci_read_config_dword(pvt->pci_dev_16_1_fsb_addr_map,
+                              FERR_NF_FBD, &value);
+        pci_write_config_dword(pvt->pci_dev_16_1_fsb_addr_map,
+                              FERR_NF_FBD, value);
 }
 
 /*