Staging: et131x: kill NMI hacks

The NMI code is in the shipped driver for "validation". We won't be doing
chip validation and we have proper core nmi handling so this can go.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/et131x/et131x_adapter.h

@@ -235,7 +235,6 @@ struct et131x_adapter {
 	u32 RegistryJumboPacket;	/* Max supported ethernet packet size */
 
 	/* Validation helpers */
-	u8 RegistryNMIDisable;
 	u8 RegistryPhyLoopbk;	/* Enable Phy loopback */
 
 	/* Derived from the registry: */

drivers/staging/et131x/et131x_defs.h

@@ -102,7 +102,6 @@
 
 /* Some offsets in PCI config space that are actually used. */
 #define ET1310_PCI_MAX_PYLD		0x4C
-#define ET1310_NMI_DISABLE		0x61
 #define ET1310_PCI_MAC_ADDRESS		0xA4
 #define ET1310_PCI_EEPROM_STATUS	0xB2
 #define ET1310_PCI_ACK_NACK		0xC0

drivers/staging/et131x/et131x_initpci.c

@@ -106,17 +106,6 @@
 #define PARM_SPEED_DUPLEX_MIN   0
 #define PARM_SPEED_DUPLEX_MAX   5
 
-/* Module parameter for disabling NMI
- * et131x_nmi_disable :
- * Disable NMI (0-2) [0]
- *  0 :
- *  1 :
- *  2 :
- */
-static u32 et131x_nmi_disable;	/* 0-2 */
-module_param(et131x_nmi_disable, uint, 0);
-MODULE_PARM_DESC(et131x_nmi_disable, "Disable NMI (0-2) [0]");
-
 /* Module parameter for manual speed setting
  * Set Link speed and dublex manually (0-5)  [0]
  *  1 : 10Mb   Half-Duplex
@@ -187,21 +176,6 @@ static int et131x_pci_init(struct et131x_adapter *adapter,
 	u8 max_payload;
 	u8 read_size_reg;
 
-	/* Allow disabling of Non-Maskable Interrupts in I/O space, to
-	 * support validation.
-	 */
-	if (adapter->RegistryNMIDisable) {
-		uint8_t RegisterVal;
-
-		RegisterVal = inb(ET1310_NMI_DISABLE);
-		RegisterVal &= 0xf3;
-
-		if (adapter->RegistryNMIDisable == 2)
-			RegisterVal |= 0xc;
-
-		outb(ET1310_NMI_DISABLE, RegisterVal);
-	}
-
 	if (et131x_init_eeprom(adapter) < 0)
 		return -EIO;
 
@@ -613,8 +587,6 @@ static struct et131x_adapter *et131x_adapter_init(struct net_device *netdev,
 	etdev->SpeedDuplex = et131x_speed_set;
 	etdev->RegistryJumboPacket = 1514;	/* 1514-9216 */
 
-	etdev->RegistryNMIDisable = et131x_nmi_disable;
-
 	/* Set the MAC address to a default */
 	memcpy(etdev->CurrentAddress, default_mac, ETH_ALEN);