diff options
author | Jiri Kosina <jkosina@suse.cz> | 2023-11-01 02:07:35 +0300 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2023-11-01 02:07:35 +0300 |
commit | 20cd569d7ee8fce24e8753f0f43af6c420557b1f (patch) | |
tree | f559cfda594846795aa51c99d96f92d8c912851a /drivers/ata/libata-sata.c | |
parent | 62cc9c3cb3ec1bf31cc116146185ed97b450836a (diff) | |
parent | eeebfe6259ba2d5b0980eb7b0df384eb77e9e4f5 (diff) | |
download | linux-20cd569d7ee8fce24e8753f0f43af6c420557b1f.tar.xz |
Merge branch 'for-6.7/config_pm' into for-linus
- #ifdef CONFIG_PM removal from HID code (Thomas Weißschuh)
Diffstat (limited to 'drivers/ata/libata-sata.c')
-rw-r--r-- | drivers/ata/libata-sata.c | 131 |
1 files changed, 25 insertions, 106 deletions
diff --git a/drivers/ata/libata-sata.c b/drivers/ata/libata-sata.c index 85e279a12f62..a701e1538482 100644 --- a/drivers/ata/libata-sata.c +++ b/drivers/ata/libata-sata.c @@ -19,11 +19,11 @@ #include "libata-transport.h" /* debounce timing parameters in msecs { interval, duration, timeout } */ -const unsigned long sata_deb_timing_normal[] = { 5, 100, 2000 }; +const unsigned int sata_deb_timing_normal[] = { 5, 100, 2000 }; EXPORT_SYMBOL_GPL(sata_deb_timing_normal); -const unsigned long sata_deb_timing_hotplug[] = { 25, 500, 2000 }; +const unsigned int sata_deb_timing_hotplug[] = { 25, 500, 2000 }; EXPORT_SYMBOL_GPL(sata_deb_timing_hotplug); -const unsigned long sata_deb_timing_long[] = { 100, 2000, 5000 }; +const unsigned int sata_deb_timing_long[] = { 100, 2000, 5000 }; EXPORT_SYMBOL_GPL(sata_deb_timing_long); /** @@ -232,11 +232,11 @@ EXPORT_SYMBOL_GPL(ata_tf_from_fis); * RETURNS: * 0 on success, -errno on failure. */ -int sata_link_debounce(struct ata_link *link, const unsigned long *params, +int sata_link_debounce(struct ata_link *link, const unsigned int *params, unsigned long deadline) { - unsigned long interval = params[0]; - unsigned long duration = params[1]; + unsigned int interval = params[0]; + unsigned int duration = params[1]; unsigned long last_jiffies, t; u32 last, cur; int rc; @@ -295,7 +295,7 @@ EXPORT_SYMBOL_GPL(sata_link_debounce); * RETURNS: * 0 on success, -errno on failure. */ -int sata_link_resume(struct ata_link *link, const unsigned long *params, +int sata_link_resume(struct ata_link *link, const unsigned int *params, unsigned long deadline) { int tries = ATA_LINK_RESUME_TRIES; @@ -396,10 +396,23 @@ int sata_link_scr_lpm(struct ata_link *link, enum ata_lpm_policy policy, case ATA_LPM_MED_POWER_WITH_DIPM: case ATA_LPM_MIN_POWER_WITH_PARTIAL: case ATA_LPM_MIN_POWER: - if (ata_link_nr_enabled(link) > 0) - /* no restrictions on LPM transitions */ + if (ata_link_nr_enabled(link) > 0) { + /* assume no restrictions on LPM transitions */ scontrol &= ~(0x7 << 8); - else { + + /* + * If the controller does not support partial, slumber, + * or devsleep, then disallow these transitions. + */ + if (link->ap->host->flags & ATA_HOST_NO_PART) + scontrol |= (0x1 << 8); + + if (link->ap->host->flags & ATA_HOST_NO_SSC) + scontrol |= (0x2 << 8); + + if (link->ap->host->flags & ATA_HOST_NO_DEVSLP) + scontrol |= (0x4 << 8); + } else { /* empty port, power off */ scontrol &= ~0xf; scontrol |= (0x1 << 2); @@ -528,7 +541,7 @@ EXPORT_SYMBOL_GPL(sata_set_spd); * RETURNS: * 0 on success, -errno otherwise. */ -int sata_link_hardreset(struct ata_link *link, const unsigned long *timing, +int sata_link_hardreset(struct ata_link *link, const unsigned int *timing, unsigned long deadline, bool *online, int (*check_ready)(struct ata_link *)) { @@ -1139,92 +1152,12 @@ struct ata_port *ata_sas_port_alloc(struct ata_host *host, ap->flags |= port_info->flags; ap->ops = port_info->port_ops; ap->cbl = ATA_CBL_SATA; + ap->print_id = atomic_inc_return(&ata_print_id); return ap; } EXPORT_SYMBOL_GPL(ata_sas_port_alloc); -/** - * ata_sas_port_start - Set port up for dma. - * @ap: Port to initialize - * - * Called just after data structures for each port are - * initialized. - * - * May be used as the port_start() entry in ata_port_operations. - * - * LOCKING: - * Inherited from caller. - */ -int ata_sas_port_start(struct ata_port *ap) -{ - /* - * the port is marked as frozen at allocation time, but if we don't - * have new eh, we won't thaw it - */ - if (!ap->ops->error_handler) - ap->pflags &= ~ATA_PFLAG_FROZEN; - return 0; -} -EXPORT_SYMBOL_GPL(ata_sas_port_start); - -/** - * ata_sas_port_stop - Undo ata_sas_port_start() - * @ap: Port to shut down - * - * May be used as the port_stop() entry in ata_port_operations. - * - * LOCKING: - * Inherited from caller. - */ - -void ata_sas_port_stop(struct ata_port *ap) -{ -} -EXPORT_SYMBOL_GPL(ata_sas_port_stop); - -/** - * ata_sas_async_probe - simply schedule probing and return - * @ap: Port to probe - * - * For batch scheduling of probe for sas attached ata devices, assumes - * the port has already been through ata_sas_port_init() - */ -void ata_sas_async_probe(struct ata_port *ap) -{ - __ata_port_probe(ap); -} -EXPORT_SYMBOL_GPL(ata_sas_async_probe); - -int ata_sas_sync_probe(struct ata_port *ap) -{ - return ata_port_probe(ap); -} -EXPORT_SYMBOL_GPL(ata_sas_sync_probe); - - -/** - * ata_sas_port_init - Initialize a SATA device - * @ap: SATA port to initialize - * - * LOCKING: - * PCI/etc. bus probe sem. - * - * RETURNS: - * Zero on success, non-zero on error. - */ - -int ata_sas_port_init(struct ata_port *ap) -{ - int rc = ap->ops->port_start(ap); - - if (rc) - return rc; - ap->print_id = atomic_inc_return(&ata_print_id); - return 0; -} -EXPORT_SYMBOL_GPL(ata_sas_port_init); - int ata_sas_tport_add(struct device *parent, struct ata_port *ap) { return ata_tport_add(parent, ap); @@ -1238,20 +1171,6 @@ void ata_sas_tport_delete(struct ata_port *ap) EXPORT_SYMBOL_GPL(ata_sas_tport_delete); /** - * ata_sas_port_destroy - Destroy a SATA port allocated by ata_sas_port_alloc - * @ap: SATA port to destroy - * - */ - -void ata_sas_port_destroy(struct ata_port *ap) -{ - if (ap->ops->port_stop) - ap->ops->port_stop(ap); - kfree(ap); -} -EXPORT_SYMBOL_GPL(ata_sas_port_destroy); - -/** * ata_sas_slave_configure - Default slave_config routine for libata devices * @sdev: SCSI device to configure * @ap: ATA port to which SCSI device is attached |