Re: DOS --> Linux Question

David Woodhouse (David.Woodhouse@mvhi.com)
Fri, 02 Jul 1999 14:47:24 +0100


coec@altu.net.au said:
> ACL_ROM *rom;
> unsigned long dpaddr=0xD000; /* address of dual port RAM */

> rom = (ACL_ROM *) MK_FP((dpaddr >> 4), 0);

> What would the equivialent be to the above statement in the Linux
> universe.

unsigned long dpaddr=0xd0000;
ACL_ROM *rom = (ACL_ROM *) ioremap(dpaddr, sizeof(ACL_ROM));

if (!rom) { /* this should never happen */
printk(KERN_WARNING "ioremap failed\n");
return -EIO;
}

> current->timeout = jiffies + njiffies;
> current->state = TASK_INTERRUPTIBLE;
> schedule(); /* wait for njiffies/HZ sec */

> Only problem is current->timeout does not seem to exist in 2.3.x, what
> is it replaced by, or better still, what is the recommended method in
> 2.3?

current->state = TASK_INTERRUPTIBLE;
schedule_timeout(njiffies);

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