[ATM]: [he] remove dead code and unneeded zero initializers

Signed-off-by: Marcel Sebek <sebek64@post.cz>
Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/atm/he.c

@@ -86,44 +86,19 @@
 #undef USE_RBPL_POOL			/* if memory is tight try this */
 #define USE_TPD_POOL
 /* #undef CONFIG_ATM_HE_USE_SUNI */
-
-/* compatibility */
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,69)
-typedef void irqreturn_t;
-#define IRQ_NONE
-#define IRQ_HANDLED
-#define IRQ_RETVAL(x)
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,9)
-#define __devexit_p(func)		func
-#endif
-
-#ifndef MODULE_LICENSE
-#define MODULE_LICENSE(x)
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,3)
-#define pci_set_drvdata(pci_dev, data)	(pci_dev)->driver_data = (data)
-#define pci_get_drvdata(pci_dev)	(pci_dev)->driver_data
-#endif
+/* #undef HE_DEBUG */
 
 #include "he.h"
-
 #include "suni.h"
-
 #include <linux/atm_he.h>
 
 #define hprintk(fmt,args...)	printk(KERN_ERR DEV_LABEL "%d: " fmt, he_dev->number , ##args)
 
-#undef DEBUG
-#ifdef DEBUG
+#ifdef HE_DEBUG
 #define HPRINTK(fmt,args...)	printk(KERN_DEBUG DEV_LABEL "%d: " fmt, he_dev->number , ##args)
-#else
+#else /* !HE_DEBUG */
 #define HPRINTK(fmt,args...)	do { } while (0)
-#endif /* DEBUG */
-
+#endif /* HE_DEBUG */
 
 /* version definition */
 
@@ -147,8 +122,8 @@ static u8 read_prom_byte(struct he_dev *he_dev, int addr);
 
 /* globals */
 
-static struct he_dev *he_devs = NULL;
-static int disable64 = 0;
+static struct he_dev *he_devs;
+static int disable64;
 static short nvpibits = -1;
 static short nvcibits = -1;
 static short rx_skb_reserve = 16;