#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>
/********** 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));
/********** 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
}
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
}
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
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;
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]);
}
}
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
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;
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);