uint16
sdstd_waitbits(sdioh_info_t *sd, uint16 norm, uint16 err, bool yield)
{
struct sdos_info *sdos;
sdos = (struct sdos_info *)sd->sdos_info;
#ifndef BCMSDYIELD
ASSERT(!yield);
#endif
sd_trace(("%s: int 0x%02x err 0x%02x yield %d canblock %d\n",
__FUNCTION__, norm, err, yield, BLOCKABLE()));
/* Clear the "interrupt happened" flag and last intrstatus */
sd->got_hcint = FALSE;
sd->last_intrstatus = 0;
#ifdef BCMSDYIELD
if (yield && BLOCKABLE()) {
/* Enable interrupts, wait for the indication, then disable */
sdstd_intrs_on(sd, norm, err);
wait_event_interruptible(sdos->intr_wait_queue, (sd->got_hcint));
sdstd_intrs_off(sd, norm, err);
} else
#endif /* BCMSDYIELD */
{
sdstd_spinbits(sd, norm, err);
}
sd_trace(("%s: last_intrstatus 0x%04x\n", __FUNCTION__, sd->last_intrstatus));
return sd->last_intrstatus;
}
/* Returns 0 for success, -1 for interrupted, -2 for timeout */
int
sdstd_waitbits(sdioh_info_t *sd, uint16 norm, uint16 err, bool yield, uint16 *bits)
{
struct sdos_info *sdos;
int rc = 0;
sdos = (struct sdos_info *)sd->sdos_info;
#ifndef BCMSDYIELD
ASSERT(!yield);
#endif
sd_trace(("%s: int 0x%02x err 0x%02x yield %d canblock %d\n",
__FUNCTION__, norm, err, yield, BLOCKABLE()));
/* Clear the "interrupt happened" flag and last intrstatus */
sd->got_hcint = FALSE;
sd->last_intrstatus = 0;
#ifdef BCMSDYIELD
if (yield && BLOCKABLE()) {
/* Enable interrupts, wait for the indication, then disable */
sdstd_intrs_on(sd, norm, err);
rc = wait_event_interruptible_timeout(sdos->intr_wait_queue,
(sd->got_hcint),
SDSTD_WAITBITS_TIMEOUT);
if (rc < 0)
rc = -1; /* interrupted */
else if (rc == 0)
rc = -2; /* timeout */
else
rc = 0; /* success */
sdstd_intrs_off(sd, norm, err);
} else
#endif /* BCMSDYIELD */
{
sdstd_spinbits(sd, norm, err);
}
sd_trace(("%s: last_intrstatus 0x%04x\n", __FUNCTION__, sd->last_intrstatus));
*bits = sd->last_intrstatus;
return rc;
}
