Merge branch 'ec' into test

[linux-2.6-omap-h63xx.git] / drivers / net / e1000e / param.c

diff --git a/drivers/net/e1000e/param.c b/drivers/net/e1000e/param.c
index 8effc3107f9a914e3ae710d22dc97487d79ddc87..d91dbf7ba4341665c403fe9491f81355098db80d 100644 (file)
--- a/drivers/net/e1000e/param.c
+++ b/drivers/net/e1000e/param.c
@@ -133,6 +133,15 @@ E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down");
  */
 E1000_PARAM(KumeranLockLoss, "Enable Kumeran lock loss workaround");
 
+/*
+ * Write Protect NVM
+ *
+ * Valid Range: 0, 1
+ *
+ * Default Value: 1 (enabled)
+ */
+E1000_PARAM(WriteProtectNVM, "Write-protect NVM [WARNING: disabling this can lead to corrupted NVM]");
+
 struct e1000_option {
        enum { enable_option, range_option, list_option } type;
        const char *name;
@@ -324,14 +333,27 @@ void __devinit e1000e_check_options(struct e1000_adapter *adapter)
                                adapter->itr = 20000;
                                break;
                        default:
-                               e1000_validate_option(&adapter->itr, &opt,
-                                       adapter);
                                /*
-                                * save the setting, because the dynamic bits
-                                * change itr. clear the lower two bits
-                                * because they are used as control
+                                * Save the setting, because the dynamic bits
+                                * change itr.
                                 */
-                               adapter->itr_setting = adapter->itr & ~3;
+                               if (e1000_validate_option(&adapter->itr, &opt,
+                                                         adapter) &&
+                                   (adapter->itr == 3)) {
+                                       /*
+                                        * In case of invalid user value,
+                                        * default to conservative mode.
+                                        */
+                                       adapter->itr_setting = adapter->itr;
+                                       adapter->itr = 20000;
+                               } else {
+                                       /*
+                                        * Clear the lower two bits because
+                                        * they are used as control.
+                                        */
+                                       adapter->itr_setting =
+                                               adapter->itr & ~3;
+                               }
                                break;
                        }
                } else {
@@ -375,4 +397,25 @@ void __devinit e1000e_check_options(struct e1000_adapter *adapter)
                                                                       opt.def);
                }
        }
+       { /* Write-protect NVM */
+               const struct e1000_option opt = {
+                       .type = enable_option,
+                       .name = "Write-protect NVM",
+                       .err  = "defaulting to Enabled",
+                       .def  = OPTION_ENABLED
+               };
+
+               if (adapter->flags & FLAG_IS_ICH) {
+                       if (num_WriteProtectNVM > bd) {
+                               unsigned int write_protect_nvm = WriteProtectNVM[bd];
+                               e1000_validate_option(&write_protect_nvm, &opt,
+                                                     adapter);
+                               if (write_protect_nvm)
+                                       adapter->flags |= FLAG_READ_ONLY_NVM;
+                       } else {
+                               if (opt.def)
+                                       adapter->flags |= FLAG_READ_ONLY_NVM;
+                       }
+               }
+       }
 }