*
* We follow the current spec and consider that 0x69/0x96
* identifies a port multiplier and 0x3c/0xc3 a SEMB device.
+ * Unfortunately, WDC WD1600JS-62MHB5 (a hard drive) reports
+ * SEMB signature. This is worked around in
+ * ata_dev_read_id().
*/
if ((tf->lbam == 0) && (tf->lbah == 0)) {
DPRINTK("found ATA device by sig\n");
}
if ((tf->lbam == 0x3c) && (tf->lbah == 0xc3)) {
- printk(KERN_INFO "ata: SEMB device ignored\n");
- return ATA_DEV_SEMB_UNSUP; /* not yet */
+ DPRINTK("found SEMB device by sig (could be ATA device)\n");
+ return ATA_DEV_SEMB;
}
DPRINTK("unknown device\n");
/*
* Process compact flash extended modes
*/
- int pio = id[163] & 0x7;
- int dma = (id[163] >> 3) & 7;
+ int pio = (id[ATA_ID_CFA_MODES] >> 0) & 0x7;
+ int dma = (id[ATA_ID_CFA_MODES] >> 3) & 0x7;
if (pio)
pio_mask |= (1 << 5);
struct ata_taskfile tf;
unsigned int err_mask = 0;
const char *reason;
+ bool is_semb = class == ATA_DEV_SEMB;
int may_fallback = 1, tried_spinup = 0;
int rc;
ata_tf_init(dev, &tf);
switch (class) {
+ case ATA_DEV_SEMB:
+ class = ATA_DEV_ATA; /* some hard drives report SEMB sig */
case ATA_DEV_ATA:
tf.command = ATA_CMD_ID_ATA;
break;
return -ENOENT;
}
+ if (is_semb) {
+ ata_dev_printk(dev, KERN_INFO, "IDENTIFY failed on "
+ "device w/ SEMB sig, disabled\n");
+ /* SEMB is not supported yet */
+ *p_class = ATA_DEV_SEMB_UNSUP;
+ return 0;
+ }
+
if ((err_mask == AC_ERR_DEV) && (tf.feature & ATA_ABORTED)) {
/* Device or controller might have reported
* the wrong device class. Give a shot at the
/* ATA-specific feature tests */
if (dev->class == ATA_DEV_ATA) {
if (ata_id_is_cfa(id)) {
- if (id[162] & 1) /* CPRM may make this media unusable */
+ /* CPRM may make this media unusable */
+ if (id[ATA_ID_CFA_KEY_MGMT] & 1)
ata_dev_printk(dev, KERN_WARNING,
"supports DRM functions and may "
"not be fully accessable.\n");
ata_port_printk(ap, KERN_INFO, "DUMMY\n");
}
- /* perform each probe synchronously */
- DPRINTK("probe begin\n");
+ /* perform each probe asynchronously */
for (i = 0; i < host->n_ports; i++) {
struct ata_port *ap = host->ports[i];
async_schedule(async_port_probe, ap);
}
- DPRINTK("probe end\n");
return 0;
}