/* Send a request, possibly waiting for a reply */
static int
maciisi_send_request(struct adb_request* req, int sync)
{
int i;
static int dump_packet = 1;
if (via == NULL) {
req->complete = 1;
return -ENXIO;
}
if (dump_packet) {
printk(KERN_DEBUG "maciisi_send_request:");
for (i = 0; i < req->nbytes; i++) {
printk(" %.2x", req->data[i]);
}
printk("\n");
}
req->reply_expected = 1;
i = maciisi_write(req);
if (i)
return i;
if (sync) {
while (!req->complete) {
maciisi_poll();
}
}
return 0;
}
static void maciisi_sync(struct adb_request *req)
{
int count = 0;
#ifdef DEBUG_MACIISI_ADB
printk(KERN_DEBUG "maciisi_sync called\n");
#endif
while (!req->complete && count++ < 50) {
maciisi_poll();
}
if (count > 50)
printk(KERN_ERR "maciisi_send_request: poll timed out!\n");
}
/* Poll the ADB chip until the request completes */
static void maciisi_sync(struct adb_request *req)
{
int count = 0;
#ifdef DEBUG_MACIISI_ADB
printk(KERN_DEBUG "maciisi_sync called\n");
#endif
/* If for some reason the ADB chip shuts up on us, we want to avoid an endless loop. */
while (!req->complete && count++ < 50) {
maciisi_poll();
}
/* This could be BAD... when the ADB controller doesn't respond
* for this long, it's probably not coming back :-( */
if(count >= 50) /* Hopefully shouldn't happen */
printk(KERN_ERR "maciisi_send_request: poll timed out!\n");
}