diff options
| -rw-r--r-- | drivers/ata/libata-core.c | 17 | ||||
| -rw-r--r-- | drivers/ata/libata-eh.c | 11 | ||||
| -rw-r--r-- | drivers/ata/libata.h | 9 |
3 files changed, 23 insertions, 14 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index d94b8a02c340..090abe443820 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1224,7 +1224,7 @@ unsigned int ata_pio_need_iordy(const struct ata_device *adev) * ata_dev_read_id - Read ID data from the specified device * @dev: target device * @p_class: pointer to class of the target device (may be changed) - * @post_reset: is this read ID post-reset? + * @flags: ATA_READID_* flags * @id: buffer to read IDENTIFY data into * * Read ID data from the specified device. ATA_CMD_ID_ATA is @@ -1239,7 +1239,7 @@ unsigned int ata_pio_need_iordy(const struct ata_device *adev) * 0 on success, -errno otherwise. */ int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, - int post_reset, u16 *id) + unsigned int flags, u16 *id) { struct ata_port *ap = dev->ap; unsigned int class = *p_class; @@ -1294,7 +1294,7 @@ int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, goto err_out; } - if (post_reset && class == ATA_DEV_ATA) { + if ((flags & ATA_READID_POSTRESET) && class == ATA_DEV_ATA) { /* * The exact sequence expected by certain pre-ATA4 drives is: * SRST RESET @@ -1314,7 +1314,7 @@ int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, /* current CHS translation info (id[53-58]) might be * changed. reread the identify device info. */ - post_reset = 0; + flags &= ~ATA_READID_POSTRESET; goto retry; } } @@ -1643,7 +1643,8 @@ int ata_bus_probe(struct ata_port *ap) if (!ata_dev_enabled(dev)) continue; - rc = ata_dev_read_id(dev, &dev->class, 1, dev->id); + rc = ata_dev_read_id(dev, &dev->class, ATA_READID_POSTRESET, + dev->id); if (rc) goto fail; @@ -3023,7 +3024,7 @@ static int ata_dev_same_device(struct ata_device *dev, unsigned int new_class, /** * ata_dev_revalidate - Revalidate ATA device * @dev: device to revalidate - * @post_reset: is this revalidation after reset? + * @readid_flags: read ID flags * * Re-read IDENTIFY page and make sure @dev is still attached to * the port. @@ -3034,7 +3035,7 @@ static int ata_dev_same_device(struct ata_device *dev, unsigned int new_class, * RETURNS: * 0 on success, negative errno otherwise */ -int ata_dev_revalidate(struct ata_device *dev, int post_reset) +int ata_dev_revalidate(struct ata_device *dev, unsigned int readid_flags) { unsigned int class = dev->class; u16 *id = (void *)dev->ap->sector_buf; @@ -3046,7 +3047,7 @@ int ata_dev_revalidate(struct ata_device *dev, int post_reset) } /* read ID data */ - rc = ata_dev_read_id(dev, &class, post_reset, id); + rc = ata_dev_read_id(dev, &class, readid_flags, id); if (rc) goto fail; diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 477648801a65..755fc68b5374 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1634,11 +1634,14 @@ static int ata_eh_revalidate_and_attach(struct ata_port *ap, DPRINTK("ENTER\n"); for (i = 0; i < ATA_MAX_DEVICES; i++) { - unsigned int action; + unsigned int action, readid_flags = 0; dev = &ap->device[i]; action = ata_eh_dev_action(dev); + if (ehc->i.flags & ATA_EHI_DID_RESET) + readid_flags |= ATA_READID_POSTRESET; + if (action & ATA_EH_REVALIDATE && ata_dev_ready(dev)) { if (ata_port_offline(ap)) { rc = -EIO; @@ -1646,8 +1649,7 @@ static int ata_eh_revalidate_and_attach(struct ata_port *ap, } ata_eh_about_to_do(ap, dev, ATA_EH_REVALIDATE); - rc = ata_dev_revalidate(dev, - ehc->i.flags & ATA_EHI_DID_RESET); + rc = ata_dev_revalidate(dev, readid_flags); if (rc) break; @@ -1665,7 +1667,8 @@ static int ata_eh_revalidate_and_attach(struct ata_port *ap, ata_class_enabled(ehc->classes[dev->devno])) { dev->class = ehc->classes[dev->devno]; - rc = ata_dev_read_id(dev, &dev->class, 1, dev->id); + rc = ata_dev_read_id(dev, &dev->class, readid_flags, + dev->id); if (rc == 0) { ehc->i.flags |= ATA_EHI_PRINTINFO; rc = ata_dev_configure(dev); diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index e4ffb2e38992..bb98390aa01a 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -39,6 +39,11 @@ struct ata_scsi_args { }; /* libata-core.c */ +enum { + /* flags for ata_dev_read_id() */ + ATA_READID_POSTRESET = (1 << 0), /* reading ID after reset */ +}; + extern struct workqueue_struct *ata_aux_wq; extern int atapi_enabled; extern int atapi_dmadir; @@ -52,8 +57,8 @@ extern unsigned ata_exec_internal(struct ata_device *dev, int dma_dir, void *buf, unsigned int buflen); extern unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd); extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, - int post_reset, u16 *id); -extern int ata_dev_revalidate(struct ata_device *dev, int post_reset); + unsigned int flags, u16 *id); +extern int ata_dev_revalidate(struct ata_device *dev, unsigned int flags); extern int ata_dev_configure(struct ata_device *dev); extern int sata_down_spd_limit(struct ata_port *ap); extern int sata_set_spd_needed(struct ata_port *ap); |