.hardreset = sata_std_hardreset,
};
-const struct ata_port_operations sata_pmp_port_ops = {
- .inherits = &sata_port_ops,
-
- .pmp_prereset = ata_std_prereset,
- .pmp_hardreset = sata_std_hardreset,
- .pmp_postreset = ata_std_postreset,
- .error_handler = sata_pmp_error_handler,
-};
-
static unsigned int ata_dev_init_params(struct ata_device *dev,
u16 heads, u16 sectors);
static unsigned int ata_dev_set_xfermode(struct ata_device *dev);
* changed notifications and ATAPI ANs.
*/
if ((ap->flags & ATA_FLAG_AN) && ata_id_has_atapi_AN(id) &&
- (!ap->nr_pmp_links ||
+ (!sata_pmp_attached(ap) ||
sata_scr_read(&ap->link, SCR_NOTIFICATION, &sntf) == 0)) {
unsigned int err_mask;
if (rc)
return rc;
- /* Old CFA may refuse this command, which is just fine */
- if (dev->xfer_shift == ATA_SHIFT_PIO && ata_id_is_cfa(dev->id))
- ign_dev_err = 1;
-
- /* Some very old devices and some bad newer ones fail any kind of
- SET_XFERMODE request but support PIO0-2 timings and no IORDY */
- if (dev->xfer_shift == ATA_SHIFT_PIO && !ata_id_has_iordy(dev->id) &&
- dev->pio_mode <= XFER_PIO_2)
- ign_dev_err = 1;
-
+ if (dev->xfer_shift == ATA_SHIFT_PIO) {
+ /* Old CFA may refuse this command, which is just fine */
+ if (ata_id_is_cfa(dev->id))
+ ign_dev_err = 1;
+ /* Catch several broken garbage emulations plus some pre
+ ATA devices */
+ if (ata_id_major_version(dev->id) == 0 &&
+ dev->pio_mode <= XFER_PIO_2)
+ ign_dev_err = 1;
+ /* Some very old devices and some bad newer ones fail
+ any kind of SET_XFERMODE request but support PIO0-2
+ timings and no IORDY */
+ if (!ata_id_has_iordy(dev->id) && dev->pio_mode <= XFER_PIO_2)
+ ign_dev_err = 1;
+ }
/* Early MWDMA devices do DMA but don't allow DMA mode setting.
Don't fail an MWDMA0 set IFF the device indicates it is in MWDMA0 */
if (dev->xfer_shift == ATA_SHIFT_MWDMA &&
"link for reset (errno=%d)\n", rc);
}
+ /* no point in trying softreset on offline link */
+ if (ata_link_offline(link))
+ ehc->i.action &= ~ATA_EH_SOFTRESET;
+
return 0;
}
if (online)
*online = true;
- if ((link->ap->flags & ATA_FLAG_PMP) && ata_is_host_link(link)) {
+ if (sata_pmp_supported(link->ap) && ata_is_host_link(link)) {
/* If PMP is supported, we have to do follow-up SRST.
* Some PMPs don't send D2H Reg FIS after hardreset if
* the first port is empty. Wait only for
/* If the controller thinks we are 80 wire, we are */
if (ap->cbl == ATA_CBL_PATA80 || ap->cbl == ATA_CBL_SATA)
return 0;
+ /* If the system is known to be 40 wire short cable (eg laptop),
+ then we allow 80 wire modes even if the drive isn't sure */
+ if (ap->cbl == ATA_CBL_PATA40_SHORT)
+ return 0;
/* If the controller doesn't know we scan
- Note: We look for all 40 wire detects at this point.
EXPORT_SYMBOL_GPL(sata_deb_timing_long);
EXPORT_SYMBOL_GPL(ata_base_port_ops);
EXPORT_SYMBOL_GPL(sata_port_ops);
-EXPORT_SYMBOL_GPL(sata_pmp_port_ops);
EXPORT_SYMBOL_GPL(ata_dummy_port_ops);
EXPORT_SYMBOL_GPL(ata_dummy_port_info);
EXPORT_SYMBOL_GPL(ata_std_bios_param);
#endif /* CONFIG_PM */
#endif /* CONFIG_PCI */
-EXPORT_SYMBOL_GPL(sata_pmp_qc_defer_cmd_switch);
-EXPORT_SYMBOL_GPL(sata_pmp_error_handler);
-
EXPORT_SYMBOL_GPL(__ata_ehi_push_desc);
EXPORT_SYMBOL_GPL(ata_ehi_push_desc);
EXPORT_SYMBOL_GPL(ata_ehi_clear_desc);