[ATM]: add+use poison defines

ATM: add and use POISON define values.
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/atm/ambassador.c

@@ -31,6 +31,7 @@
 #include <linux/atmdev.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
+#include <linux/poison.h>
 
 #include <asm/atomic.h>
 #include <asm/io.h>
@@ -1995,7 +1996,7 @@ static int __devinit ucode_init (loader_block * lb, amb_dev * dev) {
     }
     i += 1;
   }
-  if (*pointer == 0xdeadbeef) {
+  if (*pointer == ATM_POISON) {
     return loader_start (lb, dev, ucode_start);
   } else {
     // cast needed as there is no %? for pointer differnces

drivers/atm/idt77252.c

@@ -35,6 +35,7 @@ static char const rcsid[] =
 
 #include <linux/module.h>
 #include <linux/pci.h>
+#include <linux/poison.h>
 #include <linux/skbuff.h>
 #include <linux/kernel.h>
 #include <linux/vmalloc.h>
@@ -3657,7 +3658,7 @@ probe_sram(struct idt77252_dev *card)
 	writel(SAR_CMD_WRITE_SRAM | (0 << 2), SAR_REG_CMD);
 
 	for (addr = 0x4000; addr < 0x80000; addr += 0x4000) {
-		writel(0xdeadbeef, SAR_REG_DR0);
+		writel(ATM_POISON, SAR_REG_DR0);
 		writel(SAR_CMD_WRITE_SRAM | (addr << 2), SAR_REG_CMD);
 
 		writel(SAR_CMD_READ_SRAM | (0 << 2), SAR_REG_CMD);

include/linux/poison.h

@@ -44,6 +44,7 @@
 
 /********** drivers/atm/ **********/
 #define ATM_POISON_FREE		0x12
+#define ATM_POISON		0xdeadbeef
 
 /********** net/ **********/
 #define NEIGHBOR_DEAD		0xdeadbeef