fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / drivers / atm / ambassador.c

diff --git a/drivers/atm/ambassador.c b/drivers/atm/ambassador.c
index 4b6bf19..3c372e0 100644 (file)
--- a/drivers/atm/ambassador.c
+++ b/drivers/atm/ambassador.c
@@ -31,6 +31,8 @@
 #include <linux/atmdev.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
+#include <linux/poison.h>
+#include <linux/bitrev.h>
 
 #include <asm/atomic.h>
 #include <asm/io.h>
@@ -860,18 +862,11 @@ static inline void interrupts_off (amb_dev * dev) {
 
 /********** interrupt handling **********/
 
-static irqreturn_t interrupt_handler(int irq, void *dev_id,
-                                       struct pt_regs *pt_regs) {
-  amb_dev * dev = (amb_dev *) dev_id;
-  (void) pt_regs;
+static irqreturn_t interrupt_handler(int irq, void *dev_id) {
+  amb_dev * dev = dev_id;
   
   PRINTD (DBG_IRQ|DBG_FLOW, "interrupt_handler: %p", dev_id);
   
-  if (!dev_id) {
-    PRINTD (DBG_IRQ|DBG_ERR, "irq with NULL dev_id: %d", irq);
-    return IRQ_NONE;
-  }
-  
   {
     u32 interrupt = rd_plain (dev, offsetof(amb_mem, interrupt));
   
@@ -914,8 +909,8 @@ static irqreturn_t interrupt_handler(int irq, void *dev_id,
 
 /********** make rate (not quite as much fun as Horizon) **********/
 
-static unsigned int make_rate (unsigned int rate, rounding r,
-                              u16 * bits, unsigned int * actual) {
+static int make_rate (unsigned int rate, rounding r,
+                     u16 * bits, unsigned int * actual) {
   unsigned char exp = -1; // hush gcc
   unsigned int man = -1;  // hush gcc
   
@@ -978,7 +973,7 @@ static unsigned int make_rate (unsigned int rate, rounding r,
       }
       case round_up: {
        // check all bits that we are discarding
-       if (man & (-1>>9)) {
+       if (man & (~0U>>9)) {
          man = (man>>(32-9)) + 1;
          if (man == (1<<9)) {
            // no need to check for round up outside of range
@@ -1995,7 +1990,7 @@ 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
@@ -2074,18 +2069,6 @@ static void __devinit amb_ucode_version (amb_dev * dev) {
   PRINTK (KERN_INFO, "microcode version is %u.%u", major, minor);
 }
   
-// swap bits within byte to get Ethernet ordering
-static u8 bit_swap (u8 byte)
-{
-    const u8 swap[] = {
-      0x0, 0x8, 0x4, 0xc,
-      0x2, 0xa, 0x6, 0xe,
-      0x1, 0x9, 0x5, 0xd,
-      0x3, 0xb, 0x7, 0xf
-    };
-    return ((swap[byte & 0xf]<<4) | swap[byte>>4]);
-}
-
 // get end station address
 static void __devinit amb_esi (amb_dev * dev, u8 * esi) {
   u32 lower4;
@@ -2107,9 +2090,9 @@ static void __devinit amb_esi (amb_dev * dev, u8 * esi) {
     PRINTDB (DBG_INIT, "ESI:");
     for (i = 0; i < ESI_LEN; ++i) {
       if (i < 4)
-         esi[i] = bit_swap (lower4>>(8*i));
+         esi[i] = bitrev8(lower4>>(8*i));
       else
-         esi[i] = bit_swap (upper2>>(8*(i-4)));
+         esi[i] = bitrev8(upper2>>(8*(i-4)));
       PRINTDM (DBG_INIT, " %02x", esi[i]);
     }
     
@@ -2257,7 +2240,8 @@ static int __devinit amb_probe(struct pci_dev *pci_dev, const struct pci_device_
        }
 
        PRINTD (DBG_INFO, "found Madge ATM adapter (amb) at"
-               " IO %lx, IRQ %u, MEM %p", pci_resource_start(pci_dev, 1),
+               " IO %llx, IRQ %u, MEM %p",
+               (unsigned long long)pci_resource_start(pci_dev, 1),
                irq, bus_to_virt(pci_resource_start(pci_dev, 0)));
 
        // check IO region
@@ -2285,7 +2269,7 @@ static int __devinit amb_probe(struct pci_dev *pci_dev, const struct pci_device_
        setup_pci_dev(pci_dev);
 
        // grab (but share) IRQ and install handler
-       err = request_irq(irq, interrupt_handler, SA_SHIRQ, DEV_LABEL, dev);
+       err = request_irq(irq, interrupt_handler, IRQF_SHARED, DEV_LABEL, dev);
        if (err < 0) {
                PRINTK (KERN_ERR, "request IRQ failed!");
                goto out_reset;
@@ -2457,8 +2441,8 @@ static int __init amb_module_init (void)
 static void __exit amb_module_exit (void)
 {
   PRINTD (DBG_FLOW|DBG_INIT, "cleanup_module");
-  
-  return pci_unregister_driver(&amb_driver);
+
+  pci_unregister_driver(&amb_driver);
 }
 
 module_init(amb_module_init);