diff options
Diffstat (limited to 'drivers/ata/libata-core.c')
| -rw-r--r-- | drivers/ata/libata-core.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index b607292b648..c4fd4afbf34 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -75,7 +75,6 @@ const unsigned long sata_deb_timing_long[] = { 100, 2000, 5000 }; const struct ata_port_operations ata_base_port_ops = { .prereset = ata_std_prereset, - .hardreset = sata_sff_hardreset, .postreset = ata_std_postreset, .error_handler = ata_std_error_handler, }; @@ -84,6 +83,7 @@ const struct ata_port_operations sata_port_ops = { .inherits = &ata_base_port_ops, .qc_defer = ata_std_qc_defer, + .hardreset = sata_std_hardreset, .sff_dev_select = ata_noop_dev_select, }; @@ -3661,6 +3661,33 @@ int sata_link_hardreset(struct ata_link *link, const unsigned long *timing, } /** + * sata_std_hardreset - COMRESET w/o waiting or classification + * @link: link to reset + * @class: resulting class of attached device + * @deadline: deadline jiffies for the operation + * + * Standard SATA COMRESET w/o waiting or classification. + * + * LOCKING: + * Kernel thread context (may sleep) + * + * RETURNS: + * 0 if link offline, -EAGAIN if link online, -errno on errors. + */ +int sata_std_hardreset(struct ata_link *link, unsigned int *class, + unsigned long deadline) +{ + const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context); + bool online; + int rc; + + /* do hardreset */ + rc = sata_link_hardreset(link, timing, deadline, &online, NULL); + *class = ATA_DEV_NONE; + return online ? -EAGAIN : rc; +} + +/** * ata_std_postreset - standard postreset callback * @link: the target ata_link * @classes: classes of attached devices @@ -6225,6 +6252,7 @@ EXPORT_SYMBOL_GPL(sata_link_debounce); EXPORT_SYMBOL_GPL(sata_link_resume); EXPORT_SYMBOL_GPL(ata_std_prereset); EXPORT_SYMBOL_GPL(sata_link_hardreset); +EXPORT_SYMBOL_GPL(sata_std_hardreset); EXPORT_SYMBOL_GPL(ata_std_postreset); EXPORT_SYMBOL_GPL(ata_dev_classify); EXPORT_SYMBOL_GPL(ata_dev_pair); |