#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_host.h>
#include <linux/libata.h>
-#include <asm/semaphore.h>
#include <asm/byteorder.h>
#include <linux/cdrom.h>
* LOCKING:
* None.
*/
-void sata_print_link_status(struct ata_link *link)
+static void sata_print_link_status(struct ata_link *link)
{
u32 sstatus, scontrol, tmp;
* RETURNS:
* 1 if SATA spd configuration is needed, 0 otherwise.
*/
-int sata_set_spd_needed(struct ata_link *link)
+static int sata_set_spd_needed(struct ata_link *link)
{
u32 scontrol;
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 &&
* RETURNS:
* 0 if @linke is ready before @deadline; otherwise, -errno.
*/
-extern int ata_wait_after_reset(struct ata_link *link, unsigned long deadline,
+int ata_wait_after_reset(struct ata_link *link, unsigned long deadline,
int (*check_ready)(struct ata_link *link))
{
msleep(ATA_WAIT_AFTER_RESET_MSECS);
/* 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(ata_sg_init);
EXPORT_SYMBOL_GPL(ata_qc_complete);
EXPORT_SYMBOL_GPL(ata_qc_complete_multiple);
-EXPORT_SYMBOL_GPL(sata_print_link_status);
EXPORT_SYMBOL_GPL(atapi_cmd_type);
EXPORT_SYMBOL_GPL(ata_tf_to_fis);
EXPORT_SYMBOL_GPL(ata_tf_from_fis);