/*
* busy wait for the next interrupt on the console
*/
void wait_cons_dev(void)
{
if (!console_subchannel_in_use)
return;
while (1) {
cio_tsch(&console_subchannel);
if (console_subchannel.schib.scsw.cmd.actl == 0)
break;
udelay_simple(100);
}
}
static int
__clear_io_subchannel_easy(struct subchannel_id schid)
{
int retry;
if (csch(schid))
return -ENODEV;
for (retry=0;retry<20;retry++) {
struct tpi_info ti;
if (tpi(&ti)) {
tsch(ti.schid, this_cpu_ptr(&cio_irb));
if (schid_equal(&ti.schid, &schid))
return 0;
}
udelay_simple(100);
}
return -EBUSY;
}
static void __clear_chsc_subchannel_easy(void)
{
/* It seems we can only wait for a bit here :/ */
udelay_simple(100);
}
