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-rw-r--r--drivers/ata/ahci.c8
-rw-r--r--drivers/ata/ata_generic.c5
-rw-r--r--drivers/ata/libata-acpi.c19
-rw-r--r--drivers/ata/libata-core.c183
-rw-r--r--drivers/ata/libata-eh.c84
-rw-r--r--drivers/ata/libata-pmp.c22
-rw-r--r--drivers/ata/libata-scsi.c22
-rw-r--r--drivers/ata/pata_it821x.c34
-rw-r--r--drivers/ata/pata_ixp4xx_cf.c14
-rw-r--r--drivers/ata/pata_legacy.c17
-rw-r--r--drivers/ata/pata_pdc2027x.c31
-rw-r--r--drivers/ata/pata_platform.c14
-rw-r--r--drivers/ata/pata_rz1000.c16
-rw-r--r--drivers/ata/sata_sil.c2
14 files changed, 251 insertions, 220 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index a67b8e7c712d..656448c7fef9 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1119,14 +1119,14 @@ static void ahci_start_port(struct ata_port *ap)
/* turn on LEDs */
if (ap->flags & ATA_FLAG_EM) {
- ata_port_for_each_link(link, ap) {
+ ata_for_each_link(link, ap, EDGE) {
emp = &pp->em_priv[link->pmp];
ahci_transmit_led_message(ap, emp->led_state, 4);
}
}
if (ap->flags & ATA_FLAG_SW_ACTIVITY)
- ata_port_for_each_link(link, ap)
+ ata_for_each_link(link, ap, EDGE)
ahci_init_sw_activity(link);
}
@@ -1361,7 +1361,7 @@ static ssize_t ahci_led_show(struct ata_port *ap, char *buf)
struct ahci_em_priv *emp;
int rc = 0;
- ata_port_for_each_link(link, ap) {
+ ata_for_each_link(link, ap, EDGE) {
emp = &pp->em_priv[link->pmp];
rc += sprintf(buf, "%lx\n", emp->led_state);
}
@@ -1941,7 +1941,7 @@ static void ahci_error_intr(struct ata_port *ap, u32 irq_stat)
u32 serror;
/* determine active link */
- ata_port_for_each_link(link, ap)
+ ata_for_each_link(link, ap, EDGE)
if (ata_link_active(link))
break;
if (!link)
diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c
index 5c33767e66de..dc48a6398abe 100644
--- a/drivers/ata/ata_generic.c
+++ b/drivers/ata/ata_generic.c
@@ -57,10 +57,7 @@ static int generic_set_mode(struct ata_link *link, struct ata_device **unused)
if (pdev->vendor == PCI_VENDOR_ID_CENATEK)
dma_enabled = 0xFF;
- ata_link_for_each_dev(dev, link) {
- if (!ata_dev_enabled(dev))
- continue;
-
+ ata_for_each_dev(dev, link, ENABLED) {
/* We don't really care */
dev->pio_mode = XFER_PIO_0;
dev->dma_mode = XFER_MW_DMA_0;
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index c012307d0ba6..ef02e488d468 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -89,7 +89,7 @@ void ata_acpi_associate_sata_port(struct ata_port *ap)
ap->link.device->acpi_handle = NULL;
- ata_port_for_each_link(link, ap) {
+ ata_for_each_link(link, ap, EDGE) {
acpi_integer adr = SATA_ADR(ap->port_no, link->pmp);
link->device->acpi_handle =
@@ -129,8 +129,8 @@ static void ata_acpi_detach_device(struct ata_port *ap, struct ata_device *dev)
struct ata_link *tlink;
struct ata_device *tdev;
- ata_port_for_each_link(tlink, ap)
- ata_link_for_each_dev(tdev, tlink)
+ ata_for_each_link(tlink, ap, EDGE)
+ ata_for_each_dev(tdev, tlink, ALL)
tdev->flags |= ATA_DFLAG_DETACH;
}
@@ -588,12 +588,9 @@ int ata_acpi_cbl_80wire(struct ata_port *ap, const struct ata_acpi_gtm *gtm)
{
struct ata_device *dev;
- ata_link_for_each_dev(dev, &ap->link) {
+ ata_for_each_dev(dev, &ap->link, ENABLED) {
unsigned long xfer_mask, udma_mask;
- if (!ata_dev_enabled(dev))
- continue;
-
xfer_mask = ata_acpi_gtm_xfermask(dev, gtm);
ata_unpack_xfermask(xfer_mask, NULL, NULL, &udma_mask);
@@ -893,7 +890,7 @@ void ata_acpi_on_resume(struct ata_port *ap)
* use values set by _STM. Cache _GTF result and
* schedule _GTF.
*/
- ata_link_for_each_dev(dev, &ap->link) {
+ ata_for_each_dev(dev, &ap->link, ALL) {
ata_acpi_clear_gtf(dev);
if (ata_dev_enabled(dev) &&
ata_dev_get_GTF(dev, NULL) >= 0)
@@ -904,7 +901,7 @@ void ata_acpi_on_resume(struct ata_port *ap)
* there's no reason to evaluate IDE _GTF early
* without _STM. Clear cache and schedule _GTF.
*/
- ata_link_for_each_dev(dev, &ap->link) {
+ ata_for_each_dev(dev, &ap->link, ALL) {
ata_acpi_clear_gtf(dev);
if (ata_dev_enabled(dev))
dev->flags |= ATA_DFLAG_ACPI_PENDING;
@@ -932,8 +929,8 @@ void ata_acpi_set_state(struct ata_port *ap, pm_message_t state)
if (state.event == PM_EVENT_ON)
acpi_bus_set_power(ap->acpi_handle, ACPI_STATE_D0);
- ata_link_for_each_dev(dev, &ap->link) {
- if (dev->acpi_handle && ata_dev_enabled(dev))
+ ata_for_each_dev(dev, &ap->link, ENABLED) {
+ if (dev->acpi_handle)
acpi_bus_set_power(dev->acpi_handle,
state.event == PM_EVENT_ON ?
ACPI_STATE_D0 : ACPI_STATE_D3);
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index bc6695e3c848..ffd98e4e65b4 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -163,43 +163,119 @@ MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
-/*
- * Iterator helpers. Don't use directly.
+/**
+ * ata_link_next - link iteration helper
+ * @link: the previous link, NULL to start
+ * @ap: ATA port containing links to iterate
+ * @mode: iteration mode, one of ATA_LITER_*
+ *
+ * LOCKING:
+ * Host lock or EH context.
*
- * LOCKING:
- * Host lock or EH context.
+ * RETURNS:
+ * Pointer to the next link.
*/
-struct ata_link *__ata_port_next_link(struct ata_port *ap,
- struct ata_link *link, bool dev_only)
+struct ata_link *ata_link_next(struct ata_link *link, struct ata_port *ap,
+ enum ata_link_iter_mode mode)
{
+ BUG_ON(mode != ATA_LITER_EDGE &&
+ mode != ATA_LITER_PMP_FIRST && mode != ATA_LITER_HOST_FIRST);
+
/* NULL link indicates start of iteration */
- if (!link) {
- if (dev_only && sata_pmp_attached(ap))
- return ap->pmp_link;
- return &ap->link;
- }
+ if (!link)
+ switch (mode) {
+ case ATA_LITER_EDGE:
+ case ATA_LITER_PMP_FIRST:
+ if (sata_pmp_attached(ap))
+ return ap->pmp_link;
+ /* fall through */
+ case ATA_LITER_HOST_FIRST:
+ return &ap->link;
+ }
- /* we just iterated over the host master link, what's next? */
- if (link == &ap->link) {
- if (!sata_pmp_attached(ap)) {
- if (unlikely(ap->slave_link) && !dev_only)
+ /* we just iterated over the host link, what's next? */
+ if (link == &ap->link)
+ switch (mode) {
+ case ATA_LITER_HOST_FIRST:
+ if (sata_pmp_attached(ap))
+ return ap->pmp_link;
+ /* fall through */
+ case ATA_LITER_PMP_FIRST:
+ if (unlikely(ap->slave_link))
return ap->slave_link;
+ /* fall through */
+ case ATA_LITER_EDGE:
return NULL;
}
- return ap->pmp_link;
- }
/* slave_link excludes PMP */
if (unlikely(link == ap->slave_link))
return NULL;
- /* iterate to the next PMP link */
+ /* we were over a PMP link */
if (++link < ap->pmp_link + ap->nr_pmp_links)
return link;
+
+ if (mode == ATA_LITER_PMP_FIRST)
+ return &ap->link;
+
return NULL;
}
/**
+ * ata_dev_next - device iteration helper
+ * @dev: the previous device, NULL to start
+ * @link: ATA link containing devices to iterate
+ * @mode: iteration mode, one of ATA_DITER_*
+ *
+ * LOCKING:
+ * Host lock or EH context.
+ *
+ * RETURNS:
+ * Pointer to the next device.
+ */
+struct ata_device *ata_dev_next(struct ata_device *dev, struct ata_link *link,
+ enum ata_dev_iter_mode mode)
+{
+ BUG_ON(mode != ATA_DITER_ENABLED && mode != ATA_DITER_ENABLED_REVERSE &&
+ mode != ATA_DITER_ALL && mode != ATA_DITER_ALL_REVERSE);
+
+ /* NULL dev indicates start of iteration */
+ if (!dev)
+ switch (mode) {
+ case ATA_DITER_ENABLED:
+ case ATA_DITER_ALL:
+ dev = link->device;
+ goto check;
+ case ATA_DITER_ENABLED_REVERSE:
+ case ATA_DITER_ALL_REVERSE:
+ dev = link->device + ata_link_max_devices(link) - 1;
+ goto check;
+ }
+
+ next:
+ /* move to the next one */
+ switch (mode) {
+ case ATA_DITER_ENABLED:
+ case ATA_DITER_ALL:
+ if (++dev < link->device + ata_link_max_devices(link))
+ goto check;
+ return NULL;
+ case ATA_DITER_ENABLED_REVERSE:
+ case ATA_DITER_ALL_REVERSE:
+ if (--dev >= link->device)
+ goto check;
+ return NULL;
+ }
+
+ check:
+ if ((mode == ATA_DITER_ENABLED || mode == ATA_DITER_ENABLED_REVERSE) &&
+ !ata_dev_enabled(dev))
+ goto next;
+ return dev;
+}
+
+/**
* ata_dev_phys_link - find physical link for a device
* @dev: ATA device to look up physical link for
*
@@ -1107,8 +1183,8 @@ static void ata_lpm_enable(struct ata_host *host)
for (i = 0; i < host->n_ports; i++) {
ap = host->ports[i];
- ata_port_for_each_link(link, ap) {
- ata_link_for_each_dev(dev, link)
+ ata_for_each_link(link, ap, EDGE) {
+ ata_for_each_dev(dev, link, ALL)
ata_dev_disable_pm(dev);
}
}
@@ -2594,11 +2670,11 @@ int ata_bus_probe(struct ata_port *ap)
ata_port_probe(ap);
- ata_link_for_each_dev(dev, &ap->link)
+ ata_for_each_dev(dev, &ap->link, ALL)
tries[dev->devno] = ATA_PROBE_MAX_TRIES;
retry:
- ata_link_for_each_dev(dev, &ap->link) {
+ ata_for_each_dev(dev, &ap->link, ALL) {
/* If we issue an SRST then an ATA drive (not ATAPI)
* may change configuration and be in PIO0 timing. If
* we do a hard reset (or are coming from power on)
@@ -2620,7 +2696,7 @@ int ata_bus_probe(struct ata_port *ap)
/* reset and determine device classes */
ap->ops->phy_reset(ap);
- ata_link_for_each_dev(dev, &ap->link) {
+ ata_for_each_dev(dev, &ap->link, ALL) {
if (!(ap->flags & ATA_FLAG_DISABLED) &&
dev->class != ATA_DEV_UNKNOWN)
classes[dev->devno] = dev->class;
@@ -2636,7 +2712,7 @@ int ata_bus_probe(struct ata_port *ap)
specific sequence bass-ackwards so that PDIAG- is released by
the slave device */
- ata_link_for_each_dev_reverse(dev, &ap->link) {
+ ata_for_each_dev(dev, &ap->link, ALL_REVERSE) {
if (tries[dev->devno])
dev->class = classes[dev->devno];
@@ -2653,24 +2729,19 @@ int ata_bus_probe(struct ata_port *ap)
if (ap->ops->cable_detect)
ap->cbl = ap->ops->cable_detect(ap);
- /* We may have SATA bridge glue hiding here irrespective of the
- reported cable types and sensed types */
- ata_link_for_each_dev(dev, &ap->link) {
- if (!ata_dev_enabled(dev))
- continue;
- /* SATA drives indicate we have a bridge. We don't know which
- end of the link the bridge is which is a problem */
+ /* We may have SATA bridge glue hiding here irrespective of
+ * the reported cable types and sensed types. When SATA
+ * drives indicate we have a bridge, we don't know which end
+ * of the link the bridge is which is a problem.
+ */
+ ata_for_each_dev(dev, &ap->link, ENABLED)
if (ata_id_is_sata(dev->id))
ap->cbl = ATA_CBL_SATA;
- }
/* After the identify sequence we can now set up the devices. We do
this in the normal order so that the user doesn't get confused */
- ata_link_for_each_dev(dev, &ap->link) {
- if (!ata_dev_enabled(dev))
- continue;
-
+ ata_for_each_dev(dev, &ap->link, ENABLED) {
ap->link.eh_context.i.flags |= ATA_EHI_PRINTINFO;
rc = ata_dev_configure(dev);
ap->link.eh_context.i.flags &= ~ATA_EHI_PRINTINFO;
@@ -2683,9 +2754,8 @@ int ata_bus_probe(struct ata_port *ap)
if (rc)
goto fail;
- ata_link_for_each_dev(dev, &ap->link)
- if (ata_dev_enabled(dev))
- return 0;
+ ata_for_each_dev(dev, &ap->link, ENABLED)
+ return 0;
/* no device present, disable port */
ata_port_disable(ap);
@@ -3331,13 +3401,10 @@ int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
int rc = 0, used_dma = 0, found = 0;
/* step 1: calculate xfer_mask */
- ata_link_for_each_dev(dev, link) {
+ ata_for_each_dev(dev, link, ENABLED) {
unsigned long pio_mask, dma_mask;
unsigned int mode_mask;
- if (!ata_dev_enabled(dev))
- continue;
-
mode_mask = ATA_DMA_MASK_ATA;
if (dev->class == ATA_DEV_ATAPI)
mode_mask = ATA_DMA_MASK_ATAPI;
@@ -3366,10 +3433,7 @@ int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
goto out;
/* step 2: always set host PIO timings */
- ata_link_for_each_dev(dev, link) {
- if (!ata_dev_enabled(dev))
- continue;
-
+ ata_for_each_dev(dev, link, ENABLED) {
if (dev->pio_mode == 0xff) {
ata_dev_printk(dev, KERN_WARNING, "no PIO support\n");
rc = -EINVAL;
@@ -3383,8 +3447,8 @@ int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
}
/* step 3: set host DMA timings */
- ata_link_for_each_dev(dev, link) {
- if (!ata_dev_enabled(dev) || !ata_dma_enabled(dev))
+ ata_for_each_dev(dev, link, ENABLED) {
+ if (!ata_dma_enabled(dev))
continue;
dev->xfer_mode = dev->dma_mode;
@@ -3394,11 +3458,7 @@ int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
}
/* step 4: update devices' xfer mode */
- ata_link_for_each_dev(dev, link) {
- /* don't update suspended devices' xfer mode */
- if (!ata_dev_enabled(dev))
- continue;
-
+ ata_for_each_dev(dev, link, ENABLED) {
rc = ata_dev_set_mode(dev);
if (rc)
goto out;
@@ -4263,9 +4323,9 @@ static int cable_is_40wire(struct ata_port *ap)
* - if you have a non detect capable drive you don't want it
* to colour the choice
*/
- ata_port_for_each_link(link, ap) {
- ata_link_for_each_dev(dev, link) {
- if (ata_dev_enabled(dev) && !ata_is_40wire(dev))
+ ata_for_each_link(link, ap, EDGE) {
+ ata_for_each_dev(dev, link, ENABLED) {
+ if (!ata_is_40wire(dev))
return 0;
}
}
@@ -5218,7 +5278,7 @@ static int ata_host_request_pm(struct ata_host *host, pm_message_t mesg,
}
ap->pflags |= ATA_PFLAG_PM_PENDING;
- __ata_port_for_each_link(link, ap) {
+ ata_for_each_link(link, ap, HOST_FIRST) {
link->eh_info.action |= action;
link->eh_info.flags |= ehi_flags;
}
@@ -6063,9 +6123,9 @@ static void ata_port_detach(struct ata_port *ap)
/* EH is now guaranteed to see UNLOADING - EH context belongs
* to us. Restore SControl and disable all existing devices.
*/
- __ata_port_for_each_link(link, ap) {
+ ata_for_each_link(link, ap, HOST_FIRST) {
sata_scr_write(link, SCR_CONTROL, link->saved_scontrol & 0xff0);
- ata_link_for_each_dev(dev, link)
+ ata_for_each_dev(dev, link, ALL)
ata_dev_disable(dev);
}
@@ -6528,7 +6588,8 @@ EXPORT_SYMBOL_GPL(ata_base_port_ops);
EXPORT_SYMBOL_GPL(sata_port_ops);
EXPORT_SYMBOL_GPL(ata_dummy_port_ops);
EXPORT_SYMBOL_GPL(ata_dummy_port_info);
-EXPORT_SYMBOL_GPL(__ata_port_next_link);
+EXPORT_SYMBOL_GPL(ata_link_next);
+EXPORT_SYMBOL_GPL(ata_dev_next);
EXPORT_SYMBOL_GPL(ata_std_bios_param);
EXPORT_SYMBOL_GPL(ata_host_init);
EXPORT_SYMBOL_GPL(ata_host_alloc);
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 32da9a93ce44..d673f3712bdc 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -422,7 +422,7 @@ static void ata_eh_clear_action(struct ata_link *link, struct ata_device *dev,
if (!dev) {
ehi->action &= ~action;
- ata_link_for_each_dev(tdev, link)
+ ata_for_each_dev(tdev, link, ALL)
ehi->dev_action[tdev->devno] &= ~action;
} else {
/* doesn't make sense for port-wide EH actions */
@@ -430,7 +430,7 @@ static void ata_eh_clear_action(struct ata_link *link, struct ata_device *dev,
/* break ehi->action into ehi->dev_action */
if (ehi->action & action) {
- ata_link_for_each_dev(tdev, link)
+ ata_for_each_dev(tdev, link, ALL)
ehi->dev_action[tdev->devno] |=
ehi->action & action;
ehi->action &= ~action;
@@ -592,7 +592,7 @@ void ata_scsi_error(struct Scsi_Host *host)
/* fetch & clear EH info */
spin_lock_irqsave(ap->lock, flags);
- __ata_port_for_each_link(link, ap) {
+ ata_for_each_link(link, ap, HOST_FIRST) {
struct ata_eh_context *ehc = &link->eh_context;
struct ata_device *dev;
@@ -600,12 +600,9 @@ void ata_scsi_error(struct Scsi_Host *host)
link->eh_context.i = link->eh_info;
memset(&link->eh_info, 0, sizeof(link->eh_info));
- ata_link_for_each_dev(dev, link) {
+ ata_for_each_dev(dev, link, ENABLED) {
int devno = dev->devno;
- if (!ata_dev_enabled(dev))
- continue;
-
ehc->saved_xfer_mode[devno] = dev->xfer_mode;
if (ata_ncq_enabled(dev))
ehc->saved_ncq_enabled |= 1 << devno;
@@ -644,7 +641,7 @@ void ata_scsi_error(struct Scsi_Host *host)
}
/* this run is complete, make sure EH info is clear */
- __ata_port_for_each_link(link, ap)
+ ata_for_each_link(link, ap, HOST_FIRST)
memset(&link->eh_info, 0, sizeof(link->eh_info));
/* Clear host_eh_scheduled while holding ap->lock such
@@ -1025,7 +1022,7 @@ int sata_async_notification(struct ata_port *ap)
struct ata_link *link;
/* check and notify ATAPI AN */
- ata_port_for_each_link(link, ap) {
+ ata_for_each_link(link, ap, EDGE) {
if (!(sntf & (1 << link->pmp)))
continue;
@@ -2005,7 +2002,7 @@ void ata_eh_autopsy(struct ata_port *ap)
{
struct ata_link *link;
- ata_port_for_each_link(link, ap)
+ ata_for_each_link(link, ap, EDGE)
ata_eh_link_autopsy(link);
/* Handle the frigging slave link. Autopsy is done similarly
@@ -2219,7 +2216,7 @@ void ata_eh_report(struct ata_port *ap)
{
struct ata_link *link;
- __ata_port_for_each_link(link, ap)
+ ata_for_each_link(link, ap, HOST_FIRST)
ata_eh_link_report(link);
}
@@ -2230,7 +2227,7 @@ static int ata_do_reset(struct ata_link *link, ata_reset_fn_t reset,
struct ata_device *dev;
if (clear_classes)
- ata_link_for_each_dev(dev, link)
+ ata_for_each_dev(dev, link, ALL)
classes[dev->devno] = ATA_DEV_UNKNOWN;
return reset(link, classes, deadline);
@@ -2294,7 +2291,7 @@ int ata_eh_reset(struct ata_link *link, int classify,
ata_eh_about_to_do(link, NULL, ATA_EH_RESET);
- ata_link_for_each_dev(dev, link) {
+ ata_for_each_dev(dev, link, ALL) {
/* If we issue an SRST then an ATA drive (not ATAPI)
* may change configuration and be in PIO0 timing. If
* we do a hard reset (or are coming from power on)
@@ -2355,7 +2352,7 @@ int ata_eh_reset(struct ata_link *link, int classify,
"port disabled. ignoring.\n");
ehc->i.action &= ~ATA_EH_RESET;
- ata_link_for_each_dev(dev, link)
+ ata_for_each_dev(dev, link, ALL)
classes[dev->devno] = ATA_DEV_NONE;
rc = 0;
@@ -2369,7 +2366,7 @@ int ata_eh_reset(struct ata_link *link, int classify,
* bang classes and return.
*/
if (reset && !(ehc->i.action & ATA_EH_RESET)) {
- ata_link_for_each_dev(dev, link)
+ ata_for_each_dev(dev, link, ALL)
classes[dev->devno] = ATA_DEV_NONE;
rc = 0;
goto out;
@@ -2454,7 +2451,7 @@ int ata_eh_reset(struct ata_link *link, int classify,
/*
* Post-reset processing
*/
- ata_link_for_each_dev(dev, link) {
+ ata_for_each_dev(dev, link, ALL) {
/* After the reset, the device state is PIO 0 and the
* controller state is undefined. Reset also wakes up
* drives from sleeping mode.
@@ -2510,7 +2507,7 @@ int ata_eh_reset(struct ata_link *link, int classify,
* can be reliably detected and retried.
*/
nr_unknown = 0;
- ata_link_for_each_dev(dev, link) {
+ ata_for_each_dev(dev, link, ALL) {
/* convert all ATA_DEV_UNKNOWN to ATA_DEV_NONE */
if (classes[dev->devno] == ATA_DEV_UNKNOWN) {
classes[dev->devno] = ATA_DEV_NONE;
@@ -2619,8 +2616,8 @@ static inline void ata_eh_pull_park_action(struct ata_port *ap)
spin_lock_irqsave(ap->lock, flags);
INIT_COMPLETION(ap->park_req_pending);
- ata_port_for_each_link(link, ap) {
- ata_link_for_each_dev(dev, link) {
+ ata_for_each_link(link, ap, EDGE) {
+ ata_for_each_dev(dev, link, ALL) {
struct ata_eh_info *ehi = &link->eh_info;
link->eh_context.i.dev_action[dev->devno] |=
@@ -2675,7 +2672,7 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link,
* be done backwards such that PDIAG- is released by the slave
* device before the master device is identified.
*/
- ata_link_for_each_dev_reverse(dev, link) {
+ ata_for_each_dev(dev, link, ALL_REVERSE) {
unsigned int action = ata_eh_dev_action(dev);
unsigned int readid_flags = 0;
@@ -2744,7 +2741,7 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link,
/* Configure new devices forward such that user doesn't see
* device detection messages backwards.
*/
- ata_link_for_each_dev(dev, link) {
+ ata_for_each_dev(dev, link, ALL) {
if (!(new_mask & (1 << dev->devno)) ||
dev->class == ATA_DEV_PMP)
continue;
@@ -2793,10 +2790,7 @@ int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
int rc;
/* if data transfer is verified, clear DUBIOUS_XFER on ering top */
- ata_link_for_each_dev(dev, link) {
- if (!ata_dev_enabled(dev))
- continue;
-
+ ata_for_each_dev(dev, link, ENABLED) {
if (!(dev->flags & ATA_DFLAG_DUBIOUS_XFER)) {
struct ata_ering_entry *ent;
@@ -2813,14 +2807,11 @@ int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
rc = ata_do_set_mode(link, r_failed_dev);
/* if transfer mode has changed, set DUBIOUS_XFER on device */
- ata_link_for_each_dev(dev, link) {
+ ata_for_each_dev(dev, link, ENABLED) {
struct ata_eh_context *ehc = &link->eh_context;
u8 saved_xfer_mode = ehc->saved_xfer_mode[dev->devno];
u8 saved_ncq = !!(ehc->saved_ncq_enabled & (1 << dev->devno));
- if (!ata_dev_enabled(dev))
- continue;
-
if (dev->xfer_mode != saved_xfer_mode ||
ata_ncq_enabled(dev) != saved_ncq)
dev->flags |= ATA_DFLAG_DUBIOUS_XFER;
@@ -2881,9 +2872,8 @@ static int ata_link_nr_enabled(struct ata_link *link)
struct ata_device *dev;
int cnt = 0;
- ata_link_for_each_dev(dev, link)
- if (ata_dev_enabled(dev))
- cnt++;
+ ata_for_each_dev(dev, link, ENABLED)
+ cnt++;
return cnt;
}
@@ -2892,7 +2882,7 @@ static int ata_link_nr_vacant(struct ata_link *link)
struct ata_device *dev;
int cnt = 0;
- ata_link_for_each_dev(dev, link)
+ ata_for_each_dev(dev, link, ALL)
if (dev->class == ATA_DEV_UNKNOWN)
cnt++;
return cnt;
@@ -2918,7 +2908,7 @@ static int ata_eh_skip_recovery(struct ata_link *link)
return 0;
/* skip if class codes for all vacant slots are ATA_DEV_NONE */
- ata_link_for_each_dev(dev, link) {
+ ata_for_each_dev(dev, link, ALL) {
if (dev->class == ATA_DEV_UNKNOWN &&
ehc->classes[dev->devno] != ATA_DEV_NONE)
return 0;
@@ -3026,7 +3016,7 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
DPRINTK("ENTER\n");
/* prep for recovery */
- ata_port_for_each_link(link, ap) {
+ ata_for_each_link(link, ap, EDGE) {
struct ata_eh_context *ehc = &link->eh_context;
/* re-enable link? */
@@ -3038,7 +3028,7 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
ata_eh_done(link, NULL, ATA_EH_ENABLE_LINK);
}
- ata_link_for_each_dev(dev, link) {
+ ata_for_each_dev(dev, link, ALL) {
if (link->flags & ATA_LFLAG_NO_RETRY)
ehc->tries[dev->devno] = 1;
else
@@ -3068,19 +3058,19 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
goto out;
/* prep for EH */
- ata_port_for_each_link(link, ap) {
+ ata_for_each_link(link, ap, EDGE) {
struct ata_eh_context *ehc = &link->eh_context;
/* skip EH if possible. */
if (ata_eh_skip_recovery(link))
ehc->i.action = 0;
- ata_link_for_each_dev(dev, link)
+ ata_for_each_dev(dev, link, ALL)
ehc->classes[dev->devno] = ATA_DEV_UNKNOWN;
}
/* reset */
- ata_port_for_each_link(link, ap) {
+ ata_for_each_link(link, ap, EDGE) {
struct ata_eh_context *ehc = &link->eh_context;
if (!(ehc->i.action & ATA_EH_RESET))
@@ -3105,8 +3095,8 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
ata_eh_pull_park_action(ap);
deadline = jiffies;
- ata_port_for_each_link(link, ap) {
- ata_link_for_each_dev(dev, link) {
+ ata_for_each_link(link, ap, EDGE) {
+ ata_for_each_dev(dev, link, ALL) {
struct ata_eh_context *ehc = &link->eh_context;
unsigned long tmp;
@@ -3134,8 +3124,8 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
deadline = wait_for_completion_timeout(&ap->park_req_pending,
deadline - now);
} while (deadline);
- ata_port_for_each_link(link, ap) {
- ata_link_for_each_dev(dev, link) {
+ ata_for_each_link(link, ap, EDGE) {
+ ata_for_each_dev(dev, link, ALL) {
if (!(link->eh_context.unloaded_mask &
(1 << dev->devno)))
continue;
@@ -3146,7 +3136,7 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
}
/* the rest */
- ata_port_for_each_link(link, ap) {
+ ata_for_each_link(link, ap, EDGE) {
struct ata_eh_context *ehc = &link->eh_context;
/* revalidate existing devices and attach new ones */
@@ -3172,7 +3162,7 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
* disrupting the current users of the device.
*/
if (ehc->i.flags & ATA_EHI_DID_RESET) {
- ata_link_for_each_dev(dev, link) {
+ ata_for_each_dev(dev, link, ALL) {
if (dev->class != ATA_DEV_ATAPI)
continue;
rc = atapi_eh_clear_ua(dev);
@@ -3183,7 +3173,7 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
/* configure link power saving */
if (ehc->i.action & ATA_EH_LPM)
- ata_link_for_each_dev(dev, link)
+ ata_for_each_dev(dev, link, ALL)
ata_dev_enable_pm(dev, ap->pm_policy);
/* this link is okay now */
@@ -3288,7 +3278,7 @@ void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
rc = ata_eh_recover(ap, prereset, softreset, hardreset, postreset,
NULL);
if (rc) {
- ata_link_for_each_dev(dev, &ap->link)
+ ata_for_each_dev(dev, &ap->link, ALL)
ata_dev_disable(dev);
}
diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c
index b65db309c181..98ca07a2db87 100644
--- a/drivers/ata/libata-pmp.c
+++ b/drivers/ata/libata-pmp.c
@@ -321,7 +321,7 @@ static void sata_pmp_quirks(struct ata_port *ap)
if (vendor == 0x1095 && devid == 0x3726) {
/* sil3726 quirks */
- ata_port_for_each_link(link, ap) {
+ ata_for_each_link(link, ap, EDGE) {
/* Class code report is unreliable and SRST
* times out under certain configurations.
*/
@@ -336,7 +336,7 @@ static void sata_pmp_quirks(struct ata_port *ap)
}
} else if (vendor == 0x1095 && devid == 0x4723) {
/* sil4723 quirks */
- ata_port_for_each_link(link, ap) {
+ ata_for_each_link(link, ap, EDGE) {
/* class code report is unreliable */
if (link->pmp < 2)
link->flags |= ATA_LFLAG_ASSUME_ATA;
@@ -348,7 +348,7 @@ static void sata_pmp_quirks(struct ata_port *ap)
}
} else if (vendor == 0x1095 && devid == 0x4726) {
/* sil4726 quirks */
- ata_port_for_each_link(link, ap) {
+ ata_for_each_link(link, ap, EDGE) {
/* Class code report is unreliable and SRST
* times out under certain configurations.
* Config device can be at port 0 or 5 and
@@ -450,7 +450,7 @@ int sata_pmp_attach(struct ata_device *dev)
if (ap->ops->pmp_attach)
ap->ops->pmp_attach(ap);
- ata_port_for_each_link(tlink, ap)
+ ata_for_each_link(tlink, ap, EDGE)
sata_link_init_spd(tlink);
ata_acpi_associate_sata_port(ap);
@@ -487,7 +487,7 @@ static void sata_pmp_detach(struct ata_device *dev)
if (ap->ops->pmp_detach)
ap->ops->pmp_detach(ap);
- ata_port_for_each_link(tlink, ap)
+ ata_for_each_link(tlink, ap, EDGE)
ata_eh_detach_dev(tlink->device);
spin_lock_irqsave(ap->lock, flags);
@@ -700,7 +700,7 @@ static int sata_pmp_eh_recover_pmp(struct ata_port *ap,
}
/* PMP is reset, SErrors cannot be trusted, scan all */
- ata_port_for_each_link(tlink, ap) {
+ ata_for_each_link(tlink, ap, EDGE) {
struct ata_eh_context *ehc = &tlink->eh_context;
ehc->i.probe_mask |= ATA_ALL_DEVICES;
@@ -768,7 +768,7 @@ static int sata_pmp_eh_handle_disabled_links(struct ata_port *ap)
spin_lock_irqsave(ap->lock, flags);
- ata_port_for_each_link(link, ap) {
+ ata_for_each_link(link, ap, EDGE) {
if (!(link->flags & ATA_LFLAG_DISABLED))
continue;
@@ -852,7 +852,7 @@ static int sata_pmp_eh_recover(struct ata_port *ap)
int cnt, rc;
pmp_tries = ATA_EH_PMP_TRIES;
- ata_port_for_each_link(link, ap)
+ ata_for_each_link(link, ap, EDGE)
link_tries[link->pmp] = ATA_EH_PMP_LINK_TRIES;
retry:
@@ -861,7 +861,7 @@ static int sata_pmp_eh_recover(struct ata_port *ap)
rc = ata_eh_recover(ap, ops->prereset, ops->softreset,
ops->hardreset, ops->postreset, NULL);
if (rc) {
- ata_link_for_each_dev(dev, &ap->link)
+ ata_for_each_dev(dev, &ap->link, ALL)
ata_dev_disable(dev);
return rc;
}
@@ -870,7 +870,7 @@ static int sata_pmp_eh_recover(struct ata_port *ap)
return 0;
/* new PMP online */
- ata_port_for_each_link(link, ap)
+ ata_for_each_link(link, ap, EDGE)
link_tries[link->pmp] = ATA_EH_PMP_LINK_TRIES;
/* fall through */
@@ -942,7 +942,7 @@ static int sata_pmp_eh_recover(struct ata_port *ap)
}
cnt = 0;
- ata_port_for_each_link(link, ap) {
+ ata_for_each_link(link, ap, EDGE) {
if (!(gscr_error & (1 << link->pmp)))
continue;
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 47c7afcb36f2..0b2e14f67655 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -3229,12 +3229,12 @@ void ata_scsi_scan_host(struct ata_port *ap, int sync)
return;
repeat:
- ata_port_for_each_link(link, ap) {
- ata_link_for_each_dev(dev, link) {
+ ata_for_each_link(link, ap, EDGE) {
+ ata_for_each_dev(dev, link, ENABLED) {
struct scsi_device *sdev;
int channel = 0, id = 0;
- if (!ata_dev_enabled(dev) || dev->sdev)
+ if (dev->sdev)
continue;
if (ata_is_host_link(link))
@@ -3255,9 +3255,9 @@ void ata_scsi_scan_host(struct ata_port *ap, int sync)
* failure occurred, scan would have failed silently. Check
* whether all devices are attached.
*/
- ata_port_for_each_link(link, ap) {
- ata_link_for_each_dev(dev, link) {
- if (ata_dev_enabled(dev) && !dev->sdev)
+ ata_for_each_link(link, ap, EDGE) {
+ ata_for_each_dev(dev, link, ENABLED) {
+ if (!dev->sdev)
goto exit_loop;
}
}
@@ -3381,7 +3381,7 @@ static void ata_scsi_handle_link_detach(struct ata_link *link)
struct ata_port *ap = link->ap;
struct ata_device *dev;
- ata_link_for_each_dev(dev, link) {
+ ata_for_each_dev(dev, link, ALL) {
unsigned long flags;
if (!(dev->flags & ATA_DFLAG_DETACHED))
@@ -3496,7 +3496,7 @@ static int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel,
if (devno == SCAN_WILD_CARD) {
struct ata_link *link;
- ata_port_for_each_link(link, ap) {
+ ata_for_each_link(link, ap, EDGE) {
struct ata_eh_info *ehi = &link->eh_info;
ehi->probe_mask |= ATA_ALL_DEVICES;
ehi->action |= ATA_EH_RESET;
@@ -3544,11 +3544,11 @@ void ata_scsi_dev_rescan(struct work_struct *work)
spin_lock_irqsave(ap->lock, flags);
- ata_port_for_each_link(link, ap) {
- ata_link_for_each_dev(dev, link) {
+ ata_for_each_link(link, ap, EDGE) {
+ ata_for_each_dev(dev, link, ENABLED) {
struct scsi_device *sdev = dev->sdev;
- if (!ata_dev_enabled(dev) || !sdev)
+ if (!sdev)
continue;
if (scsi_device_get(sdev))
continue;
diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c
index 860ede526282..f828a29d7756 100644
--- a/drivers/ata/pata_it821x.c
+++ b/drivers/ata/pata_it821x.c
@@ -465,24 +465,22 @@ static int it821x_smart_set_mode(struct ata_link *link, struct ata_device **unus
{
struct ata_device *dev;
- ata_link_for_each_dev(dev, link) {
- if (ata_dev_enabled(dev)) {
- /* We don't really care */
- dev->pio_mode = XFER_PIO_0;
- dev->dma_mode = XFER_MW_DMA_0;
- /* We do need the right mode information for DMA or PIO
- and this comes from the current configuration flags */
- if (ata_id_has_dma(dev->id)) {
- ata_dev_printk(dev, KERN_INFO, "configured for DMA\n");
- dev->xfer_mode = XFER_MW_DMA_0;
- dev->xfer_shift = ATA_SHIFT_MWDMA;
- dev->flags &= ~ATA_DFLAG_PIO;
- } else {
- ata_dev_printk(dev, KERN_INFO, "configured for PIO\n");
- dev->xfer_mode = XFER_PIO_0;
- dev->xfer_shift = ATA_SHIFT_PIO;
- dev->flags |= ATA_DFLAG_PIO;
- }
+ ata_for_each_dev(dev, link, ENABLED) {
+ /* We don't really care */
+ dev->pio_mode = XFER_PIO_0;
+ dev->dma_mode = XFER_MW_DMA_0;
+ /* We do need the right mode information for DMA or PIO
+ and this comes from the current configuration flags */
+ if (ata_id_has_dma(dev->id)) {
+ ata_dev_printk(dev, KERN_INFO, "configured for DMA\n");
+ dev->xfer_mode = XFER_MW_DMA_0;
+ dev->xfer_shift = ATA_SHIFT_MWDMA;
+ dev->flags &= ~ATA_DFLAG_PIO;
+ } else {
+ ata_dev_printk(dev, KERN_INFO, "configured for PIO\n");
+ dev->xfer_mode = XFER_PIO_0;
+ dev->xfer_shift = ATA_SHIFT_PIO;
+ dev->flags |= ATA_DFLAG_PIO;
}
}
return 0;
diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c
index 2014253f6c88..b173c157ab00 100644
--- a/drivers/ata/pata_ixp4xx_cf.c
+++ b/drivers/ata/pata_ixp4xx_cf.c
@@ -30,14 +30,12 @@ static int ixp4xx_set_mode(struct ata_link *link, struct ata_device **error)
{
struct ata_device *dev;
- ata_link_for_each_dev(dev, link) {
- if (ata_dev_enabled(dev)) {
- ata_dev_printk(dev, KERN_INFO, "configured for PIO0\n");
- dev->pio_mode = XFER_PIO_0;
- dev->xfer_mode = XFER_PIO_0;
- dev->xfer_shift = ATA_SHIFT_PIO;
- dev->flags |= ATA_DFLAG_PIO;
- }
+ ata_for_each_dev(dev, link, ENABLED) {
+ ata_dev_printk(dev, KERN_INFO, "configured for PIO0\n");
+ dev->pio_mode = XFER_PIO_0;
+ dev->xfer_mode = XFER_PIO_0;
+ dev->xfer_shift = ATA_SHIFT_PIO;
+ dev->flags |= ATA_DFLAG_PIO;
}
return 0;
}
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c
index 930c2208640b..cbd98c16eea4 100644
--- a/drivers/ata/pata_legacy.c
+++ b/drivers/ata/pata_legacy.c
@@ -194,15 +194,12 @@ static int legacy_set_mode(struct ata_link *link, struct ata_device **unused)
{
struct ata_device *dev;
- ata_link_for_each_dev(dev, link) {
- if (ata_dev_enabled(dev)) {
- ata_dev_printk(dev, KERN_INFO,
- "configured for PIO\n");
- dev->pio_mode = XFER_PIO_0;
- dev->xfer_mode = XFER_PIO_0;
- dev->xfer_shift = ATA_SHIFT_PIO;
- dev->flags |= ATA_DFLAG_PIO;
- }
+ ata_for_each_dev(dev, link, ENABLED) {
+ ata_dev_printk(dev, KERN_INFO, "configured for PIO\n");
+ dev->pio_mode = XFER_PIO_0;
+ dev->xfer_mode = XFER_PIO_0;
+ dev->xfer_shift = ATA_SHIFT_PIO;
+ dev->flags |= ATA_DFLAG_PIO;
}
return 0;
}
@@ -1028,7 +1025,7 @@ static __init int legacy_init_one(struct legacy_probe *probe)
/* Nothing found means we drop the port as its probably not there */
ret = -ENODEV;
- ata_link_for_each_dev(dev, &ap->link) {
+ ata_for_each_dev(dev, &ap->link, ALL) {
if (!ata_dev_absent(dev)) {
legacy_host[probe->slot] = host;
ld->platform_dev = pdev;
diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c
index 0e1c2c1134d3..d43e8be96b88 100644
--- a/drivers/ata/pata_pdc2027x.c
+++ b/drivers/ata/pata_pdc2027x.c
@@ -406,23 +406,20 @@ static int pdc2027x_set_mode(struct ata_link *link, struct ata_device **r_failed
if (rc < 0)
return rc;
- ata_link_for_each_dev(dev, link) {
- if (ata_dev_enabled(dev)) {
-
- pdc2027x_set_piomode(ap, dev);
-
- /*
- * Enable prefetch if the device support PIO only.
- */
- if (dev->xfer_shift == ATA_SHIFT_PIO) {
- u32 ctcr1 = ioread32(dev_mmio(ap, dev, PDC_CTCR1));
- ctcr1 |= (1 << 25);
- iowrite32(ctcr1, dev_mmio(ap, dev, PDC_CTCR1));
-
- PDPRINTK("Turn on prefetch\n");
- } else {
- pdc2027x_set_dmamode(ap, dev);
- }
+ ata_for_each_dev(dev, link, ENABLED) {
+ pdc2027x_set_piomode(ap, dev);
+
+ /*
+ * Enable prefetch if the device support PIO only.
+ */
+ if (dev->xfer_shift == ATA_SHIFT_PIO) {
+ u32 ctcr1 = ioread32(dev_mmio(ap, dev, PDC_CTCR1));
+ ctcr1 |= (1 << 25);
+ iowrite32(ctcr1, dev_mmio(ap, dev, PDC_CTCR1));
+
+ PDPRINTK("Turn on prefetch\n");
+ } else {
+ pdc2027x_set_dmamode(ap, dev);
}
}
return 0;
diff --git a/drivers/ata/pata_platform.c b/drivers/ata/pata_platform.c
index 77e4e3b17f54..6afa07a37648 100644
--- a/drivers/ata/pata_platform.c
+++ b/drivers/ata/pata_platform.c
@@ -34,14 +34,12 @@ static int pata_platform_set_mode(struct ata_link *link, struct ata_device **unu
{
struct ata_device *dev;
- ata_link_for_each_dev(dev, link) {
- if (ata_dev_enabled(dev)) {
- /* We don't really care */
- dev->pio_mode = dev->xfer_mode = XFER_PIO_0;
- dev->xfer_shift = ATA_SHIFT_PIO;
- dev->flags |= ATA_DFLAG_PIO;
- ata_dev_printk(dev, KERN_INFO, "configured for PIO\n");
- }
+ ata_for_each_dev(dev, link, ENABLED) {
+ /* We don't really care */
+ dev->pio_mode = dev->xfer_mode = XFER_PIO_0;
+ dev->xfer_shift = ATA_SHIFT_PIO;
+ dev->flags |= ATA_DFLAG_PIO;
+ ata_dev_printk(dev, KERN_INFO, "configured for PIO\n");
}
return 0;
}
diff --git a/drivers/ata/pata_rz1000.c b/drivers/ata/pata_rz1000.c
index 7dfd1f3f6f3a..46d6bc1bf1e9 100644
--- a/drivers/ata/pata_rz1000.c
+++ b/drivers/ata/pata_rz1000.c
@@ -38,15 +38,13 @@ static int rz1000_set_mode(struct ata_link *link, struct ata_device **unused)
{
struct ata_device *dev;
- ata_link_for_each_dev(dev, link) {
- if (ata_dev_enabled(dev)) {
- /* We don't really care */
- dev->pio_mode = XFER_PIO_0;
- dev->xfer_mode = XFER_PIO_0;
- dev->xfer_shift = ATA_SHIFT_PIO;
- dev->flags |= ATA_DFLAG_PIO;
- ata_dev_printk(dev, KERN_INFO, "configured for PIO\n");
- }
+ ata_for_each_dev(dev, link, ENABLED) {
+ /* We don't really care */
+ dev->pio_mode = XFER_PIO_0;
+ dev->xfer_mode = XFER_PIO_0;
+ dev->xfer_shift = ATA_SHIFT_PIO;
+ dev->flags |= ATA_DFLAG_PIO;
+ ata_dev_printk(dev, KERN_INFO, "configured for PIO\n");
}
return 0;
}
diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c
index 031d7b7dee34..177370921774 100644
--- a/drivers/ata/sata_sil.c
+++ b/drivers/ata/sata_sil.c
@@ -278,7 +278,7 @@ static int sil_set_mode(struct ata_link *link, struct ata_device **r_failed)
if (rc)
return rc;
- ata_link_for_each_dev(dev, link) {
+ ata_for_each_dev(dev, link, ALL) {
if (!ata_dev_enabled(dev))
dev_mode[dev->devno] = 0; /* PIO0/1/2 */
else if (dev->flags & ATA_DFLAG_PIO)
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 17:58:07 +0000