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-rw-r--r--drivers/ata/Kconfig28
-rw-r--r--drivers/ata/ahci.c86
-rw-r--r--drivers/ata/ahci.h2
-rw-r--r--drivers/ata/ahci_st.c1
-rw-r--r--drivers/ata/libata-core.c119
-rw-r--r--drivers/ata/libata-sata.c171
-rw-r--r--drivers/ata/libata-scsi.c28
-rw-r--r--drivers/ata/libata-sff.c4
-rw-r--r--drivers/ata/libata.h11
-rw-r--r--drivers/ata/pata_cs5520.c6
-rw-r--r--drivers/ata/pata_legacy.c8
-rw-r--r--drivers/ata/pata_macio.c14
-rw-r--r--drivers/ata/sata_gemini.c5
-rw-r--r--drivers/ata/sata_mv.c65
-rw-r--r--drivers/ata/sata_nv.c24
-rw-r--r--drivers/ata/sata_sil24.c2
-rw-r--r--drivers/ata/sata_sx4.c6
17 files changed, 359 insertions, 221 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 928ec93c6b45..b595494ab9b4 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -556,7 +556,7 @@ comment "PATA SFF controllers with BMDMA"
config PATA_ALI
tristate "ALi PATA support"
- depends on PCI
+ depends on PCI && HAS_IOPORT
select PATA_TIMINGS
help
This option enables support for the ALi ATA interfaces
@@ -566,7 +566,7 @@ config PATA_ALI
config PATA_AMD
tristate "AMD/NVidia PATA support"
- depends on PCI
+ depends on PCI && HAS_IOPORT
select PATA_TIMINGS
help
This option enables support for the AMD and NVidia PATA
@@ -584,7 +584,7 @@ config PATA_ARASAN_CF
config PATA_ARTOP
tristate "ARTOP 6210/6260 PATA support"
- depends on PCI
+ depends on PCI && HAS_IOPORT
help
This option enables support for ARTOP PATA controllers.
@@ -611,7 +611,7 @@ config PATA_ATP867X
config PATA_CMD64X
tristate "CMD64x PATA support"
- depends on PCI
+ depends on PCI && HAS_IOPORT
select PATA_TIMINGS
help
This option enables support for the CMD64x series chips
@@ -658,7 +658,7 @@ config PATA_CS5536
config PATA_CYPRESS
tristate "Cypress CY82C693 PATA support (Very Experimental)"
- depends on PCI
+ depends on PCI && HAS_IOPORT
select PATA_TIMINGS
help
This option enables support for the Cypress/Contaq CY82C693
@@ -706,7 +706,7 @@ config PATA_HPT366
config PATA_HPT37X
tristate "HPT 370/370A/371/372/374/302 PATA support"
- depends on PCI
+ depends on PCI && HAS_IOPORT
help
This option enables support for the majority of the later HPT
PATA controllers via the new ATA layer.
@@ -715,7 +715,7 @@ config PATA_HPT37X
config PATA_HPT3X2N
tristate "HPT 371N/372N/302N PATA support"
- depends on PCI
+ depends on PCI && HAS_IOPORT
help
This option enables support for the N variant HPT PATA
controllers via the new ATA layer.
@@ -818,7 +818,7 @@ config PATA_MPC52xx
config PATA_NETCELL
tristate "NETCELL Revolution RAID support"
- depends on PCI
+ depends on PCI && HAS_IOPORT
help
This option enables support for the Netcell Revolution RAID
PATA controller.
@@ -854,7 +854,7 @@ config PATA_OLDPIIX
config PATA_OPTIDMA
tristate "OPTI FireStar PATA support (Very Experimental)"
- depends on PCI
+ depends on PCI && HAS_IOPORT
help
This option enables DMA/PIO support for the later OPTi
controllers found on some old motherboards and in some
@@ -864,7 +864,7 @@ config PATA_OPTIDMA
config PATA_PDC2027X
tristate "Promise PATA 2027x support"
- depends on PCI
+ depends on PCI && HAS_IOPORT
help
This option enables support for Promise PATA pdc20268 to pdc20277 host adapters.
@@ -872,7 +872,7 @@ config PATA_PDC2027X
config PATA_PDC_OLD
tristate "Older Promise PATA controller support"
- depends on PCI
+ depends on PCI && HAS_IOPORT
help
This option enables support for the Promise 20246, 20262, 20263,
20265 and 20267 adapters.
@@ -900,7 +900,7 @@ config PATA_RDC
config PATA_SC1200
tristate "SC1200 PATA support"
- depends on PCI && (X86_32 || COMPILE_TEST)
+ depends on PCI && (X86_32 || COMPILE_TEST) && HAS_IOPORT
help
This option enables support for the NatSemi/AMD SC1200 SoC
companion chip used with the Geode processor family.
@@ -918,7 +918,7 @@ config PATA_SCH
config PATA_SERVERWORKS
tristate "SERVERWORKS OSB4/CSB5/CSB6/HT1000 PATA support"
- depends on PCI
+ depends on PCI && HAS_IOPORT
help
This option enables support for the Serverworks OSB4/CSB5/CSB6 and
HT1000 PATA controllers, via the new ATA layer.
@@ -1182,7 +1182,7 @@ config ATA_GENERIC
config PATA_LEGACY
tristate "Legacy ISA PATA support (Experimental)"
- depends on (ISA || PCI)
+ depends on (ISA || PCI) && HAS_IOPORT
select PATA_TIMINGS
help
This option enables support for ISA/VLB/PCI bus legacy PATA
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 562302e2e57c..07d66d2c5f0d 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -429,7 +429,6 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0x02d7), board_ahci_pcs_quirk }, /* Comet Lake PCH RAID */
/* Elkhart Lake IDs 0x4b60 & 0x4b62 https://sata-io.org/product/8803 not tested yet */
{ PCI_VDEVICE(INTEL, 0x4b63), board_ahci_pcs_quirk }, /* Elkhart Lake AHCI */
- { PCI_VDEVICE(INTEL, 0x7ae2), board_ahci_pcs_quirk }, /* Alder Lake-P AHCI */
/* JMicron 360/1/3/5/6, match class to avoid IDE function */
{ PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
@@ -666,6 +665,87 @@ static int mobile_lpm_policy = -1;
module_param(mobile_lpm_policy, int, 0644);
MODULE_PARM_DESC(mobile_lpm_policy, "Default LPM policy for mobile chipsets");
+static char *ahci_mask_port_map;
+module_param_named(mask_port_map, ahci_mask_port_map, charp, 0444);
+MODULE_PARM_DESC(mask_port_map,
+ "32-bits port map masks to ignore controllers ports. "
+ "Valid values are: "
+ "\"<mask>\" to apply the same mask to all AHCI controller "
+ "devices, and \"<pci_dev>=<mask>,<pci_dev>=<mask>,...\" to "
+ "specify different masks for the controllers specified, "
+ "where <pci_dev> is the PCI ID of an AHCI controller in the "
+ "form \"domain:bus:dev.func\"");
+
+static void ahci_apply_port_map_mask(struct device *dev,
+ struct ahci_host_priv *hpriv, char *mask_s)
+{
+ unsigned int mask;
+
+ if (kstrtouint(mask_s, 0, &mask)) {
+ dev_err(dev, "Invalid port map mask\n");
+ return;
+ }
+
+ hpriv->mask_port_map = mask;
+}
+
+static void ahci_get_port_map_mask(struct device *dev,
+ struct ahci_host_priv *hpriv)
+{
+ char *param, *end, *str, *mask_s;
+ char *name;
+
+ if (!strlen(ahci_mask_port_map))
+ return;
+
+ str = kstrdup(ahci_mask_port_map, GFP_KERNEL);
+ if (!str)
+ return;
+
+ /* Handle single mask case */
+ if (!strchr(str, '=')) {
+ ahci_apply_port_map_mask(dev, hpriv, str);
+ goto free;
+ }
+
+ /*
+ * Mask list case: parse the parameter to apply the mask only if
+ * the device name matches.
+ */
+ param = str;
+ end = param + strlen(param);
+ while (param && param < end && *param) {
+ name = param;
+ param = strchr(name, '=');
+ if (!param)
+ break;
+
+ *param = '\0';
+ param++;
+ if (param >= end)
+ break;
+
+ if (strcmp(dev_name(dev), name) != 0) {
+ param = strchr(param, ',');
+ if (param)
+ param++;
+ continue;
+ }
+
+ mask_s = param;
+ param = strchr(mask_s, ',');
+ if (param) {
+ *param = '\0';
+ param++;
+ }
+
+ ahci_apply_port_map_mask(dev, hpriv, mask_s);
+ }
+
+free:
+ kfree(str);
+}
+
static void ahci_pci_save_initial_config(struct pci_dev *pdev,
struct ahci_host_priv *hpriv)
{
@@ -688,6 +768,10 @@ static void ahci_pci_save_initial_config(struct pci_dev *pdev,
"Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
}
+ /* Handle port map masks passed as module parameter. */
+ if (ahci_mask_port_map)
+ ahci_get_port_map_mask(&pdev->dev, hpriv);
+
ahci_save_initial_config(&pdev->dev, hpriv);
}
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index 344c87210d8f..8f40f75ba08c 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -397,7 +397,7 @@ extern const struct attribute_group *ahci_sdev_groups[];
.sdev_groups = ahci_sdev_groups, \
.change_queue_depth = ata_scsi_change_queue_depth, \
.tag_alloc_policy = BLK_TAG_ALLOC_RR, \
- .slave_configure = ata_scsi_slave_config
+ .device_configure = ata_scsi_device_configure
extern struct ata_port_operations ahci_ops;
extern struct ata_port_operations ahci_platform_ops;
diff --git a/drivers/ata/ahci_st.c b/drivers/ata/ahci_st.c
index d4a626f87963..79a8b0aa37bf 100644
--- a/drivers/ata/ahci_st.c
+++ b/drivers/ata/ahci_st.c
@@ -30,7 +30,6 @@
#define ST_AHCI_OOBR_CIMAX_SHIFT 0
struct st_ahci_drv_data {
- struct platform_device *ahci;
struct reset_control *pwr;
struct reset_control *sw_rst;
struct reset_control *pwr_rst;
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index be3412cdb22e..e1bf8a19b3c8 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1480,19 +1480,19 @@ static void ata_qc_complete_internal(struct ata_queued_cmd *qc)
}
/**
- * ata_exec_internal_sg - execute libata internal command
+ * ata_exec_internal - execute libata internal command
* @dev: Device to which the command is sent
* @tf: Taskfile registers for the command and the result
* @cdb: CDB for packet command
* @dma_dir: Data transfer direction of the command
- * @sgl: sg list for the data buffer of the command
- * @n_elem: Number of sg entries
+ * @buf: Data buffer of the command
+ * @buflen: Length of data buffer
* @timeout: Timeout in msecs (0 for default)
*
- * Executes libata internal command with timeout. @tf contains
- * command on entry and result on return. Timeout and error
- * conditions are reported via return value. No recovery action
- * is taken after a command times out. It's caller's duty to
+ * Executes libata internal command with timeout. @tf contains
+ * the command on entry and the result on return. Timeout and error
+ * conditions are reported via the return value. No recovery action
+ * is taken after a command times out. It is the caller's duty to
* clean up after timeout.
*
* LOCKING:
@@ -1501,34 +1501,38 @@ static void ata_qc_complete_internal(struct ata_queued_cmd *qc)
* RETURNS:
* Zero on success, AC_ERR_* mask on failure
*/
-static unsigned ata_exec_internal_sg(struct ata_device *dev,
- struct ata_taskfile *tf, const u8 *cdb,
- int dma_dir, struct scatterlist *sgl,
- unsigned int n_elem, unsigned int timeout)
+unsigned int ata_exec_internal(struct ata_device *dev, struct ata_taskfile *tf,
+ const u8 *cdb, enum dma_data_direction dma_dir,
+ void *buf, unsigned int buflen,
+ unsigned int timeout)
{
struct ata_link *link = dev->link;
struct ata_port *ap = link->ap;
u8 command = tf->command;
- int auto_timeout = 0;
struct ata_queued_cmd *qc;
+ struct scatterlist sgl;
unsigned int preempted_tag;
u32 preempted_sactive;
u64 preempted_qc_active;
int preempted_nr_active_links;
+ bool auto_timeout = false;
DECLARE_COMPLETION_ONSTACK(wait);
unsigned long flags;
unsigned int err_mask;
int rc;
+ if (WARN_ON(dma_dir != DMA_NONE && !buf))
+ return AC_ERR_INVALID;
+
spin_lock_irqsave(ap->lock, flags);
- /* no internal command while frozen */
+ /* No internal command while frozen */
if (ata_port_is_frozen(ap)) {
spin_unlock_irqrestore(ap->lock, flags);
return AC_ERR_SYSTEM;
}
- /* initialize internal qc */
+ /* Initialize internal qc */
qc = __ata_qc_from_tag(ap, ATA_TAG_INTERNAL);
qc->tag = ATA_TAG_INTERNAL;
@@ -1547,12 +1551,12 @@ static unsigned ata_exec_internal_sg(struct ata_device *dev,
ap->qc_active = 0;
ap->nr_active_links = 0;
- /* prepare & issue qc */
+ /* Prepare and issue qc */
qc->tf = *tf;
if (cdb)
memcpy(qc->cdb, cdb, ATAPI_CDB_LEN);
- /* some SATA bridges need us to indicate data xfer direction */
+ /* Some SATA bridges need us to indicate data xfer direction */
if (tf->protocol == ATAPI_PROT_DMA && (dev->flags & ATA_DFLAG_DMADIR) &&
dma_dir == DMA_FROM_DEVICE)
qc->tf.feature |= ATAPI_DMADIR;
@@ -1560,13 +1564,8 @@ static unsigned ata_exec_internal_sg(struct ata_device *dev,
qc->flags |= ATA_QCFLAG_RESULT_TF;
qc->dma_dir = dma_dir;
if (dma_dir != DMA_NONE) {
- unsigned int i, buflen = 0;
- struct scatterlist *sg;
-
- for_each_sg(sgl, sg, n_elem, i)
- buflen += sg->length;
-
- ata_sg_init(qc, sgl, n_elem);
+ sg_init_one(&sgl, buf, buflen);
+ ata_sg_init(qc, &sgl, 1);
qc->nbytes = buflen;
}
@@ -1578,11 +1577,11 @@ static unsigned ata_exec_internal_sg(struct ata_device *dev,
spin_unlock_irqrestore(ap->lock, flags);
if (!timeout) {
- if (ata_probe_timeout)
+ if (ata_probe_timeout) {
timeout = ata_probe_timeout * 1000;
- else {
+ } else {
timeout = ata_internal_cmd_timeout(dev, command);
- auto_timeout = 1;
+ auto_timeout = true;
}
}
@@ -1595,30 +1594,25 @@ static unsigned ata_exec_internal_sg(struct ata_device *dev,
ata_sff_flush_pio_task(ap);
if (!rc) {
- spin_lock_irqsave(ap->lock, flags);
-
- /* We're racing with irq here. If we lose, the
- * following test prevents us from completing the qc
- * twice. If we win, the port is frozen and will be
- * cleaned up by ->post_internal_cmd().
+ /*
+ * We are racing with irq here. If we lose, the following test
+ * prevents us from completing the qc twice. If we win, the port
+ * is frozen and will be cleaned up by ->post_internal_cmd().
*/
+ spin_lock_irqsave(ap->lock, flags);
if (qc->flags & ATA_QCFLAG_ACTIVE) {
qc->err_mask |= AC_ERR_TIMEOUT;
-
ata_port_freeze(ap);
-
ata_dev_warn(dev, "qc timeout after %u msecs (cmd 0x%x)\n",
timeout, command);
}
-
spin_unlock_irqrestore(ap->lock, flags);
}
- /* do post_internal_cmd */
if (ap->ops->post_internal_cmd)
ap->ops->post_internal_cmd(qc);
- /* perform minimal error analysis */
+ /* Perform minimal error analysis */
if (qc->flags & ATA_QCFLAG_EH) {
if (qc->result_tf.status & (ATA_ERR | ATA_DF))
qc->err_mask |= AC_ERR_DEV;
@@ -1632,7 +1626,7 @@ static unsigned ata_exec_internal_sg(struct ata_device *dev,
qc->result_tf.status |= ATA_SENSE;
}
- /* finish up */
+ /* Finish up */
spin_lock_irqsave(ap->lock, flags);
*tf = qc->result_tf;
@@ -1653,44 +1647,6 @@ static unsigned ata_exec_internal_sg(struct ata_device *dev,
}
/**
- * ata_exec_internal - execute libata internal command
- * @dev: Device to which the command is sent
- * @tf: Taskfile registers for the command and the result
- * @cdb: CDB for packet command
- * @dma_dir: Data transfer direction of the command
- * @buf: Data buffer of the command
- * @buflen: Length of data buffer
- * @timeout: Timeout in msecs (0 for default)
- *
- * Wrapper around ata_exec_internal_sg() which takes simple
- * buffer instead of sg list.
- *
- * LOCKING:
- * None. Should be called with kernel context, might sleep.
- *
- * RETURNS:
- * Zero on success, AC_ERR_* mask on failure
- */
-unsigned ata_exec_internal(struct ata_device *dev,
- struct ata_taskfile *tf, const u8 *cdb,
- int dma_dir, void *buf, unsigned int buflen,
- unsigned int timeout)
-{
- struct scatterlist *psg = NULL, sg;
- unsigned int n_elem = 0;
-
- if (dma_dir != DMA_NONE) {
- WARN_ON(!buf);
- sg_init_one(&sg, buf, buflen);
- psg = &sg;
- n_elem++;
- }
-
- return ata_exec_internal_sg(dev, tf, cdb, dma_dir, psg, n_elem,
- timeout);
-}
-
-/**
* ata_pio_need_iordy - check if iordy needed
* @adev: ATA device
*
@@ -2539,7 +2495,7 @@ static void ata_dev_config_cdl(struct ata_device *dev)
bool cdl_enabled;
u64 val;
- if (ata_id_major_version(dev->id) < 12)
+ if (ata_id_major_version(dev->id) < 11)
goto not_supported;
if (!ata_log_supported(dev, ATA_LOG_IDENTIFY_DEVICE) ||
@@ -4180,8 +4136,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "PIONEER BD-RW BDR-207M", NULL, ATA_HORKAGE_NOLPM },
{ "PIONEER BD-RW BDR-205", NULL, ATA_HORKAGE_NOLPM },
- /* Crucial BX100 SSD 500GB has broken LPM support */
+ /* Crucial devices with broken LPM support */
{ "CT500BX100SSD1", NULL, ATA_HORKAGE_NOLPM },
+ { "CT240BX500SSD1", NULL, ATA_HORKAGE_NOLPM },
/* 512GB MX100 with MU01 firmware has both queued TRIM and LPM issues */
{ "Crucial_CT512MX100*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM |
@@ -4199,6 +4156,12 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
ATA_HORKAGE_ZERO_AFTER_TRIM |
ATA_HORKAGE_NOLPM },
+ /* AMD Radeon devices with broken LPM support */
+ { "R3SL240G", NULL, ATA_HORKAGE_NOLPM },
+
+ /* Apacer models with LPM issues */
+ { "Apacer AS340*", NULL, ATA_HORKAGE_NOLPM },
+
/* These specific Samsung models/firmware-revs do not handle LPM well */
{ "SAMSUNG MZMPC128HBFU-000MV", "CXM14M1Q", ATA_HORKAGE_NOLPM },
{ "SAMSUNG SSD PM830 mSATA *", "CXM13D1Q", ATA_HORKAGE_NOLPM },
diff --git a/drivers/ata/libata-sata.c b/drivers/ata/libata-sata.c
index 0fb1934875f2..9e047bf912b1 100644
--- a/drivers/ata/libata-sata.c
+++ b/drivers/ata/libata-sata.c
@@ -848,80 +848,143 @@ DEVICE_ATTR(link_power_management_policy, S_IRUGO | S_IWUSR,
ata_scsi_lpm_show, ata_scsi_lpm_store);
EXPORT_SYMBOL_GPL(dev_attr_link_power_management_policy);
-static ssize_t ata_ncq_prio_supported_show(struct device *device,
- struct device_attribute *attr,
- char *buf)
+/**
+ * ata_ncq_prio_supported - Check if device supports NCQ Priority
+ * @ap: ATA port of the target device
+ * @sdev: SCSI device
+ * @supported: Address of a boolean to store the result
+ *
+ * Helper to check if device supports NCQ Priority feature.
+ *
+ * Context: Any context. Takes and releases @ap->lock.
+ *
+ * Return:
+ * * %0 - OK. Status is stored into @supported
+ * * %-ENODEV - Failed to find the ATA device
+ */
+int ata_ncq_prio_supported(struct ata_port *ap, struct scsi_device *sdev,
+ bool *supported)
{
- struct scsi_device *sdev = to_scsi_device(device);
- struct ata_port *ap = ata_shost_to_port(sdev->host);
struct ata_device *dev;
- bool ncq_prio_supported;
+ unsigned long flags;
int rc = 0;
- spin_lock_irq(ap->lock);
+ spin_lock_irqsave(ap->lock, flags);
dev = ata_scsi_find_dev(ap, sdev);
if (!dev)
rc = -ENODEV;
else
- ncq_prio_supported = dev->flags & ATA_DFLAG_NCQ_PRIO;
- spin_unlock_irq(ap->lock);
+ *supported = dev->flags & ATA_DFLAG_NCQ_PRIO;
+ spin_unlock_irqrestore(ap->lock, flags);
+
+ return rc;
+}
+EXPORT_SYMBOL_GPL(ata_ncq_prio_supported);
+
+static ssize_t ata_ncq_prio_supported_show(struct device *device,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_device *sdev = to_scsi_device(device);
+ struct ata_port *ap = ata_shost_to_port(sdev->host);
+ bool supported;
+ int rc;
+
+ rc = ata_ncq_prio_supported(ap, sdev, &supported);
+ if (rc)
+ return rc;
- return rc ? rc : sysfs_emit(buf, "%u\n", ncq_prio_supported);
+ return sysfs_emit(buf, "%d\n", supported);
}
DEVICE_ATTR(ncq_prio_supported, S_IRUGO, ata_ncq_prio_supported_show, NULL);
EXPORT_SYMBOL_GPL(dev_attr_ncq_prio_supported);
-static ssize_t ata_ncq_prio_enable_show(struct device *device,
- struct device_attribute *attr,
- char *buf)
+/**
+ * ata_ncq_prio_enabled - Check if NCQ Priority is enabled
+ * @ap: ATA port of the target device
+ * @sdev: SCSI device
+ * @enabled: Address of a boolean to store the result
+ *
+ * Helper to check if NCQ Priority feature is enabled.
+ *
+ * Context: Any context. Takes and releases @ap->lock.
+ *
+ * Return:
+ * * %0 - OK. Status is stored into @enabled
+ * * %-ENODEV - Failed to find the ATA device
+ */
+int ata_ncq_prio_enabled(struct ata_port *ap, struct scsi_device *sdev,
+ bool *enabled)
{
- struct scsi_device *sdev = to_scsi_device(device);
- struct ata_port *ap = ata_shost_to_port(sdev->host);
struct ata_device *dev;
- bool ncq_prio_enable;
+ unsigned long flags;
int rc = 0;
- spin_lock_irq(ap->lock);
+ spin_lock_irqsave(ap->lock, flags);
dev = ata_scsi_find_dev(ap, sdev);
if (!dev)
rc = -ENODEV;
else
- ncq_prio_enable = dev->flags & ATA_DFLAG_NCQ_PRIO_ENABLED;
- spin_unlock_irq(ap->lock);
+ *enabled = dev->flags & ATA_DFLAG_NCQ_PRIO_ENABLED;
+ spin_unlock_irqrestore(ap->lock, flags);
- return rc ? rc : sysfs_emit(buf, "%u\n", ncq_prio_enable);
+ return rc;
}
+EXPORT_SYMBOL_GPL(ata_ncq_prio_enabled);
-static ssize_t ata_ncq_prio_enable_store(struct device *device,
- struct device_attribute *attr,
- const char *buf, size_t len)
+static ssize_t ata_ncq_prio_enable_show(struct device *device,
+ struct device_attribute *attr,
+ char *buf)
{
struct scsi_device *sdev = to_scsi_device(device);
- struct ata_port *ap;
- struct ata_device *dev;
- long int input;
- int rc = 0;
+ struct ata_port *ap = ata_shost_to_port(sdev->host);
+ bool enabled;
+ int rc;
- rc = kstrtol(buf, 10, &input);
+ rc = ata_ncq_prio_enabled(ap, sdev, &enabled);
if (rc)
return rc;
- if ((input < 0) || (input > 1))
- return -EINVAL;
- ap = ata_shost_to_port(sdev->host);
- dev = ata_scsi_find_dev(ap, sdev);
- if (unlikely(!dev))
- return -ENODEV;
+ return sysfs_emit(buf, "%d\n", enabled);
+}
+
+/**
+ * ata_ncq_prio_enable - Enable/disable NCQ Priority
+ * @ap: ATA port of the target device
+ * @sdev: SCSI device
+ * @enable: true - enable NCQ Priority, false - disable NCQ Priority
+ *
+ * Helper to enable/disable NCQ Priority feature.
+ *
+ * Context: Any context. Takes and releases @ap->lock.
+ *
+ * Return:
+ * * %0 - OK. Status is stored into @enabled
+ * * %-ENODEV - Failed to find the ATA device
+ * * %-EINVAL - NCQ Priority is not supported or CDL is enabled
+ */
+int ata_ncq_prio_enable(struct ata_port *ap, struct scsi_device *sdev,
+ bool enable)
+{
+ struct ata_device *dev;
+ unsigned long flags;
+ int rc = 0;
+
+ spin_lock_irqsave(ap->lock, flags);
- spin_lock_irq(ap->lock);
+ dev = ata_scsi_find_dev(ap, sdev);
+ if (!dev) {
+ rc = -ENODEV;
+ goto unlock;
+ }
if (!(dev->flags & ATA_DFLAG_NCQ_PRIO)) {
rc = -EINVAL;
goto unlock;
}
- if (input) {
+ if (enable) {
if (dev->flags & ATA_DFLAG_CDL_ENABLED) {
ata_dev_err(dev,
"CDL must be disabled to enable NCQ priority\n");
@@ -934,9 +997,30 @@ static ssize_t ata_ncq_prio_enable_store(struct device *device,
}
unlock:
- spin_unlock_irq(ap->lock);
+ spin_unlock_irqrestore(ap->lock, flags);
+
+ return rc;
+}
+EXPORT_SYMBOL_GPL(ata_ncq_prio_enable);
+
+static ssize_t ata_ncq_prio_enable_store(struct device *device,
+ struct device_attribute *attr,
+ const char *buf, size_t len)
+{
+ struct scsi_device *sdev = to_scsi_device(device);
+ struct ata_port *ap = ata_shost_to_port(sdev->host);
+ bool enable;
+ int rc;
+
+ rc = kstrtobool(buf, &enable);
+ if (rc)
+ return rc;
+
+ rc = ata_ncq_prio_enable(ap, sdev, enable);
+ if (rc)
+ return rc;
- return rc ? rc : len;
+ return len;
}
DEVICE_ATTR(ncq_prio_enable, S_IRUGO | S_IWUSR,
@@ -1170,21 +1254,24 @@ void ata_sas_tport_delete(struct ata_port *ap)
EXPORT_SYMBOL_GPL(ata_sas_tport_delete);
/**
- * ata_sas_slave_configure - Default slave_config routine for libata devices
+ * ata_sas_device_configure - Default device_configure routine for libata
+ * devices
* @sdev: SCSI device to configure
+ * @lim: queue limits
* @ap: ATA port to which SCSI device is attached
*
* RETURNS:
* Zero.
*/
-int ata_sas_slave_configure(struct scsi_device *sdev, struct ata_port *ap)
+int ata_sas_device_configure(struct scsi_device *sdev, struct queue_limits *lim,
+ struct ata_port *ap)
{
ata_scsi_sdev_config(sdev);
- return ata_scsi_dev_config(sdev, ap->link.device);
+ return ata_scsi_dev_config(sdev, lim, ap->link.device);
}
-EXPORT_SYMBOL_GPL(ata_sas_slave_configure);
+EXPORT_SYMBOL_GPL(ata_sas_device_configure);
/**
* ata_sas_queuecmd - Issue SCSI cdb to libata-managed device
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 2f4c58837641..cdf29b178ddc 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1021,7 +1021,8 @@ bool ata_scsi_dma_need_drain(struct request *rq)
}
EXPORT_SYMBOL_GPL(ata_scsi_dma_need_drain);
-int ata_scsi_dev_config(struct scsi_device *sdev, struct ata_device *dev)
+int ata_scsi_dev_config(struct scsi_device *sdev, struct queue_limits *lim,
+ struct ata_device *dev)
{
struct request_queue *q = sdev->request_queue;
int depth = 1;
@@ -1031,7 +1032,7 @@ int ata_scsi_dev_config(struct scsi_device *sdev, struct ata_device *dev)
/* configure max sectors */
dev->max_sectors = min(dev->max_sectors, sdev->host->max_sectors);
- blk_queue_max_hw_sectors(q, dev->max_sectors);
+ lim->max_hw_sectors = dev->max_sectors;
if (dev->class == ATA_DEV_ATAPI) {
sdev->sector_size = ATA_SECT_SIZE;
@@ -1040,7 +1041,7 @@ int ata_scsi_dev_config(struct scsi_device *sdev, struct ata_device *dev)
blk_queue_update_dma_pad(q, ATA_DMA_PAD_SZ - 1);
/* make room for appending the drain */
- blk_queue_max_segments(q, queue_max_segments(q) - 1);
+ lim->max_segments--;
sdev->dma_drain_len = ATAPI_MAX_DRAIN;
sdev->dma_drain_buf = kmalloc(sdev->dma_drain_len, GFP_NOIO);
@@ -1077,7 +1078,7 @@ int ata_scsi_dev_config(struct scsi_device *sdev, struct ata_device *dev)
"sector_size=%u > PAGE_SIZE, PIO may malfunction\n",
sdev->sector_size);
- blk_queue_update_dma_alignment(q, sdev->sector_size - 1);
+ lim->dma_alignment = sdev->sector_size - 1;
if (dev->flags & ATA_DFLAG_AN)
set_bit(SDEV_EVT_MEDIA_CHANGE, sdev->supported_events);
@@ -1131,8 +1132,9 @@ int ata_scsi_slave_alloc(struct scsi_device *sdev)
EXPORT_SYMBOL_GPL(ata_scsi_slave_alloc);
/**
- * ata_scsi_slave_config - Set SCSI device attributes
+ * ata_scsi_device_configure - Set SCSI device attributes
* @sdev: SCSI device to examine
+ * @lim: queue limits
*
* This is called before we actually start reading
* and writing to the device, to configure certain
@@ -1142,17 +1144,18 @@ EXPORT_SYMBOL_GPL(ata_scsi_slave_alloc);
* Defined by SCSI layer. We don't really care.
*/
-int ata_scsi_slave_config(struct scsi_device *sdev)
+int ata_scsi_device_configure(struct scsi_device *sdev,
+ struct queue_limits *lim)
{
struct ata_port *ap = ata_shost_to_port(sdev->host);
struct ata_device *dev = __ata_scsi_find_dev(ap, sdev);
if (dev)
- return ata_scsi_dev_config(sdev, dev);
+ return ata_scsi_dev_config(sdev, lim, dev);
return 0;
}
-EXPORT_SYMBOL_GPL(ata_scsi_slave_config);
+EXPORT_SYMBOL_GPL(ata_scsi_device_configure);
/**
* ata_scsi_slave_destroy - SCSI device is about to be destroyed
@@ -4745,7 +4748,7 @@ void ata_scsi_dev_rescan(struct work_struct *work)
* bail out.
*/
if (ap->pflags & ATA_PFLAG_SUSPENDED)
- goto unlock;
+ goto unlock_ap;
if (!sdev)
continue;
@@ -4758,7 +4761,7 @@ void ata_scsi_dev_rescan(struct work_struct *work)
if (do_resume) {
ret = scsi_resume_device(sdev);
if (ret == -EWOULDBLOCK)
- goto unlock;
+ goto unlock_scan;
dev->flags &= ~ATA_DFLAG_RESUMING;
}
ret = scsi_rescan_device(sdev);
@@ -4766,12 +4769,13 @@ void ata_scsi_dev_rescan(struct work_struct *work)
spin_lock_irqsave(ap->lock, flags);
if (ret)
- goto unlock;
+ goto unlock_ap;
}
}
-unlock:
+unlock_ap:
spin_unlock_irqrestore(ap->lock, flags);
+unlock_scan:
mutex_unlock(&ap->scsi_scan_mutex);
/* Reschedule with a delay if scsi_rescan_device() returned an error */
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 95a19c4ef2a1..250f7dae05fd 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -3032,6 +3032,7 @@ EXPORT_SYMBOL_GPL(ata_bmdma_port_start32);
*/
int ata_pci_bmdma_clear_simplex(struct pci_dev *pdev)
{
+#ifdef CONFIG_HAS_IOPORT
unsigned long bmdma = pci_resource_start(pdev, 4);
u8 simplex;
@@ -3044,6 +3045,9 @@ int ata_pci_bmdma_clear_simplex(struct pci_dev *pdev)
if (simplex & 0x80)
return -EOPNOTSUPP;
return 0;
+#else
+ return -ENOENT;
+#endif /* CONFIG_HAS_IOPORT */
}
EXPORT_SYMBOL_GPL(ata_pci_bmdma_clear_simplex);
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index 5c685bb1939e..38ce13b55474 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -50,10 +50,10 @@ extern int ata_build_rw_tf(struct ata_queued_cmd *qc, u64 block, u32 n_block,
unsigned int tf_flags, int dld, int class);
extern u64 ata_tf_read_block(const struct ata_taskfile *tf,
struct ata_device *dev);
-extern unsigned ata_exec_internal(struct ata_device *dev,
- struct ata_taskfile *tf, const u8 *cdb,
- int dma_dir, void *buf, unsigned int buflen,
- unsigned int timeout);
+unsigned int ata_exec_internal(struct ata_device *dev, struct ata_taskfile *tf,
+ const u8 *cdb, enum dma_data_direction dma_dir,
+ void *buf, unsigned int buflen,
+ unsigned int timeout);
extern int ata_wait_ready(struct ata_link *link, unsigned long deadline,
int (*check_ready)(struct ata_link *link));
extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
@@ -131,7 +131,8 @@ extern void ata_scsi_dev_rescan(struct work_struct *work);
extern int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel,
unsigned int id, u64 lun);
void ata_scsi_sdev_config(struct scsi_device *sdev);
-int ata_scsi_dev_config(struct scsi_device *sdev, struct ata_device *dev);
+int ata_scsi_dev_config(struct scsi_device *sdev, struct queue_limits *lim,
+ struct ata_device *dev);
int __ata_scsi_queuecmd(struct scsi_cmnd *scmd, struct ata_device *dev);
/* libata-eh.c */
diff --git a/drivers/ata/pata_cs5520.c b/drivers/ata/pata_cs5520.c
index 38795508c2e9..027cf67101ef 100644
--- a/drivers/ata/pata_cs5520.c
+++ b/drivers/ata/pata_cs5520.c
@@ -151,12 +151,6 @@ static int cs5520_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
if (!host)
return -ENOMEM;
- /* Perform set up for DMA */
- if (pci_enable_device_io(pdev)) {
- dev_err(&pdev->dev, "unable to configure BAR2.\n");
- return -ENODEV;
- }
-
if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32))) {
dev_err(&pdev->dev, "unable to configure DMA mask.\n");
return -ENODEV;
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c
index 448a511cbc17..e7ac142c2423 100644
--- a/drivers/ata/pata_legacy.c
+++ b/drivers/ata/pata_legacy.c
@@ -173,8 +173,6 @@ static int legacy_port[NR_HOST] = { 0x1f0, 0x170, 0x1e8, 0x168, 0x1e0, 0x160 };
static struct legacy_probe probe_list[NR_HOST];
static struct legacy_data legacy_data[NR_HOST];
static struct ata_host *legacy_host[NR_HOST];
-static int nr_legacy_host;
-
/**
* legacy_probe_add - Add interface to probe list
@@ -1276,9 +1274,11 @@ static __exit void legacy_exit(void)
{
int i;
- for (i = 0; i < nr_legacy_host; i++) {
+ for (i = 0; i < NR_HOST; i++) {
struct legacy_data *ld = &legacy_data[i];
- ata_host_detach(legacy_host[i]);
+
+ if (legacy_host[i])
+ ata_host_detach(legacy_host[i]);
platform_device_unregister(ld->platform_dev);
}
}
diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c
index 4ac854f6b057..817838e2f70e 100644
--- a/drivers/ata/pata_macio.c
+++ b/drivers/ata/pata_macio.c
@@ -796,7 +796,8 @@ static void pata_macio_reset_hw(struct pata_macio_priv *priv, int resume)
/* Hook the standard slave config to fixup some HW related alignment
* restrictions
*/
-static int pata_macio_slave_config(struct scsi_device *sdev)
+static int pata_macio_device_configure(struct scsi_device *sdev,
+ struct queue_limits *lim)
{
struct ata_port *ap = ata_shost_to_port(sdev->host);
struct pata_macio_priv *priv = ap->private_data;
@@ -805,7 +806,7 @@ static int pata_macio_slave_config(struct scsi_device *sdev)
int rc;
/* First call original */
- rc = ata_scsi_slave_config(sdev);
+ rc = ata_scsi_device_configure(sdev, lim);
if (rc)
return rc;
@@ -814,7 +815,7 @@ static int pata_macio_slave_config(struct scsi_device *sdev)
/* OHare has issues with non cache aligned DMA on some chipsets */
if (priv->kind == controller_ohare) {
- blk_queue_update_dma_alignment(sdev->request_queue, 31);
+ lim->dma_alignment = 31;
blk_queue_update_dma_pad(sdev->request_queue, 31);
/* Tell the world about it */
@@ -829,7 +830,7 @@ static int pata_macio_slave_config(struct scsi_device *sdev)
/* Shasta and K2 seem to have "issues" with reads ... */
if (priv->kind == controller_sh_ata6 || priv->kind == controller_k2_ata6) {
/* Allright these are bad, apply restrictions */
- blk_queue_update_dma_alignment(sdev->request_queue, 15);
+ lim->dma_alignment = 15;
blk_queue_update_dma_pad(sdev->request_queue, 15);
/* We enable MWI and hack cache line size directly here, this
@@ -918,7 +919,7 @@ static const struct scsi_host_template pata_macio_sht = {
* use 64K minus 256
*/
.max_segment_size = MAX_DBDMA_SEG,
- .slave_configure = pata_macio_slave_config,
+ .device_configure = pata_macio_device_configure,
.sdev_groups = ata_common_sdev_groups,
.can_queue = ATA_DEF_QUEUE,
.tag_alloc_policy = BLK_TAG_ALLOC_RR,
@@ -1371,9 +1372,6 @@ static struct pci_driver pata_macio_pci_driver = {
.suspend = pata_macio_pci_suspend,
.resume = pata_macio_pci_resume,
#endif
- .driver = {
- .owner = THIS_MODULE,
- },
};
MODULE_DEVICE_TABLE(pci, pata_macio_pci_match);
diff --git a/drivers/ata/sata_gemini.c b/drivers/ata/sata_gemini.c
index 400b22ee99c3..4c270999ba3c 100644
--- a/drivers/ata/sata_gemini.c
+++ b/drivers/ata/sata_gemini.c
@@ -200,7 +200,10 @@ int gemini_sata_start_bridge(struct sata_gemini *sg, unsigned int bridge)
pclk = sg->sata0_pclk;
else
pclk = sg->sata1_pclk;
- clk_enable(pclk);
+ ret = clk_enable(pclk);
+ if (ret)
+ return ret;
+
msleep(10);
/* Do not keep clocking a bridge that is not online */
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index e82786c63fbd..05c905827dc5 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -673,7 +673,7 @@ static const struct scsi_host_template mv6_sht = {
.sdev_groups = ata_ncq_sdev_groups,
.change_queue_depth = ata_scsi_change_queue_depth,
.tag_alloc_policy = BLK_TAG_ALLOC_RR,
- .slave_configure = ata_scsi_slave_config
+ .device_configure = ata_scsi_device_configure
};
static struct ata_port_operations mv5_ops = {
@@ -787,37 +787,6 @@ static const struct ata_port_info mv_port_info[] = {
},
};
-static const struct pci_device_id mv_pci_tbl[] = {
- { PCI_VDEVICE(MARVELL, 0x5040), chip_504x },
- { PCI_VDEVICE(MARVELL, 0x5041), chip_504x },
- { PCI_VDEVICE(MARVELL, 0x5080), chip_5080 },
- { PCI_VDEVICE(MARVELL, 0x5081), chip_508x },
- /* RocketRAID 1720/174x have different identifiers */
- { PCI_VDEVICE(TTI, 0x1720), chip_6042 },
- { PCI_VDEVICE(TTI, 0x1740), chip_6042 },
- { PCI_VDEVICE(TTI, 0x1742), chip_6042 },
-
- { PCI_VDEVICE(MARVELL, 0x6040), chip_604x },
- { PCI_VDEVICE(MARVELL, 0x6041), chip_604x },
- { PCI_VDEVICE(MARVELL, 0x6042), chip_6042 },
- { PCI_VDEVICE(MARVELL, 0x6080), chip_608x },
- { PCI_VDEVICE(MARVELL, 0x6081), chip_608x },
-
- { PCI_VDEVICE(ADAPTEC2, 0x0241), chip_604x },
-
- /* Adaptec 1430SA */
- { PCI_VDEVICE(ADAPTEC2, 0x0243), chip_7042 },
-
- /* Marvell 7042 support */
- { PCI_VDEVICE(MARVELL, 0x7042), chip_7042 },
-
- /* Highpoint RocketRAID PCIe series */
- { PCI_VDEVICE(TTI, 0x2300), chip_7042 },
- { PCI_VDEVICE(TTI, 0x2310), chip_7042 },
-
- { } /* terminate list */
-};
-
static const struct mv_hw_ops mv5xxx_ops = {
.phy_errata = mv5_phy_errata,
.enable_leds = mv5_enable_leds,
@@ -4303,6 +4272,36 @@ static int mv_pci_init_one(struct pci_dev *pdev,
static int mv_pci_device_resume(struct pci_dev *pdev);
#endif
+static const struct pci_device_id mv_pci_tbl[] = {
+ { PCI_VDEVICE(MARVELL, 0x5040), chip_504x },
+ { PCI_VDEVICE(MARVELL, 0x5041), chip_504x },
+ { PCI_VDEVICE(MARVELL, 0x5080), chip_5080 },
+ { PCI_VDEVICE(MARVELL, 0x5081), chip_508x },
+ /* RocketRAID 1720/174x have different identifiers */
+ { PCI_VDEVICE(TTI, 0x1720), chip_6042 },
+ { PCI_VDEVICE(TTI, 0x1740), chip_6042 },
+ { PCI_VDEVICE(TTI, 0x1742), chip_6042 },
+
+ { PCI_VDEVICE(MARVELL, 0x6040), chip_604x },
+ { PCI_VDEVICE(MARVELL, 0x6041), chip_604x },
+ { PCI_VDEVICE(MARVELL, 0x6042), chip_6042 },
+ { PCI_VDEVICE(MARVELL, 0x6080), chip_608x },
+ { PCI_VDEVICE(MARVELL, 0x6081), chip_608x },
+
+ { PCI_VDEVICE(ADAPTEC2, 0x0241), chip_604x },
+
+ /* Adaptec 1430SA */
+ { PCI_VDEVICE(ADAPTEC2, 0x0243), chip_7042 },
+
+ /* Marvell 7042 support */
+ { PCI_VDEVICE(MARVELL, 0x7042), chip_7042 },
+
+ /* Highpoint RocketRAID PCIe series */
+ { PCI_VDEVICE(TTI, 0x2300), chip_7042 },
+ { PCI_VDEVICE(TTI, 0x2310), chip_7042 },
+
+ { } /* terminate list */
+};
static struct pci_driver mv_pci_driver = {
.name = DRV_NAME,
@@ -4315,6 +4314,7 @@ static struct pci_driver mv_pci_driver = {
#endif
};
+MODULE_DEVICE_TABLE(pci, mv_pci_tbl);
/**
* mv_print_info - Dump key info to kernel log for perusal.
@@ -4487,7 +4487,6 @@ static void __exit mv_exit(void)
MODULE_AUTHOR("Brett Russ");
MODULE_DESCRIPTION("SCSI low-level driver for Marvell SATA controllers");
MODULE_LICENSE("GPL v2");
-MODULE_DEVICE_TABLE(pci, mv_pci_tbl);
MODULE_VERSION(DRV_VERSION);
MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index 0a0cee755bde..36d99043ef50 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -296,7 +296,8 @@ static void nv_nf2_freeze(struct ata_port *ap);
static void nv_nf2_thaw(struct ata_port *ap);
static void nv_ck804_freeze(struct ata_port *ap);
static void nv_ck804_thaw(struct ata_port *ap);
-static int nv_adma_slave_config(struct scsi_device *sdev);
+static int nv_adma_device_configure(struct scsi_device *sdev,
+ struct queue_limits *lim);
static int nv_adma_check_atapi_dma(struct ata_queued_cmd *qc);
static enum ata_completion_errors nv_adma_qc_prep(struct ata_queued_cmd *qc);
static unsigned int nv_adma_qc_issue(struct ata_queued_cmd *qc);
@@ -318,7 +319,8 @@ static void nv_adma_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
static void nv_mcp55_thaw(struct ata_port *ap);
static void nv_mcp55_freeze(struct ata_port *ap);
static void nv_swncq_error_handler(struct ata_port *ap);
-static int nv_swncq_slave_config(struct scsi_device *sdev);
+static int nv_swncq_device_configure(struct scsi_device *sdev,
+ struct queue_limits *lim);
static int nv_swncq_port_start(struct ata_port *ap);
static enum ata_completion_errors nv_swncq_qc_prep(struct ata_queued_cmd *qc);
static void nv_swncq_fill_sg(struct ata_queued_cmd *qc);
@@ -380,7 +382,7 @@ static const struct scsi_host_template nv_adma_sht = {
.can_queue = NV_ADMA_MAX_CPBS,
.sg_tablesize = NV_ADMA_SGTBL_TOTAL_LEN,
.dma_boundary = NV_ADMA_DMA_BOUNDARY,
- .slave_configure = nv_adma_slave_config,
+ .device_configure = nv_adma_device_configure,
.sdev_groups = ata_ncq_sdev_groups,
.change_queue_depth = ata_scsi_change_queue_depth,
.tag_alloc_policy = BLK_TAG_ALLOC_RR,
@@ -391,7 +393,7 @@ static const struct scsi_host_template nv_swncq_sht = {
.can_queue = ATA_MAX_QUEUE - 1,
.sg_tablesize = LIBATA_MAX_PRD,
.dma_boundary = ATA_DMA_BOUNDARY,
- .slave_configure = nv_swncq_slave_config,
+ .device_configure = nv_swncq_device_configure,
.sdev_groups = ata_ncq_sdev_groups,
.change_queue_depth = ata_scsi_change_queue_depth,
.tag_alloc_policy = BLK_TAG_ALLOC_RR,
@@ -661,7 +663,8 @@ static void nv_adma_mode(struct ata_port *ap)
pp->flags &= ~NV_ADMA_PORT_REGISTER_MODE;
}
-static int nv_adma_slave_config(struct scsi_device *sdev)
+static int nv_adma_device_configure(struct scsi_device *sdev,
+ struct queue_limits *lim)
{
struct ata_port *ap = ata_shost_to_port(sdev->host);
struct nv_adma_port_priv *pp = ap->private_data;
@@ -673,7 +676,7 @@ static int nv_adma_slave_config(struct scsi_device *sdev)
int adma_enable;
u32 current_reg, new_reg, config_mask;
- rc = ata_scsi_slave_config(sdev);
+ rc = ata_scsi_device_configure(sdev, lim);
if (sdev->id >= ATA_MAX_DEVICES || sdev->channel || sdev->lun)
/* Not a proper libata device, ignore */
@@ -740,8 +743,8 @@ static int nv_adma_slave_config(struct scsi_device *sdev)
rc = dma_set_mask(&pdev->dev, pp->adma_dma_mask);
}
- blk_queue_segment_boundary(sdev->request_queue, segment_boundary);
- blk_queue_max_segments(sdev->request_queue, sg_tablesize);
+ lim->seg_boundary_mask = segment_boundary;
+ lim->max_segments = sg_tablesize;
ata_port_info(ap,
"DMA mask 0x%llX, segment boundary 0x%lX, hw segs %hu\n",
(unsigned long long)*ap->host->dev->dma_mask,
@@ -1868,7 +1871,8 @@ static void nv_swncq_host_init(struct ata_host *host)
writel(~0x0, mmio + NV_INT_STATUS_MCP55);
}
-static int nv_swncq_slave_config(struct scsi_device *sdev)
+static int nv_swncq_device_configure(struct scsi_device *sdev,
+ struct queue_limits *lim)
{
struct ata_port *ap = ata_shost_to_port(sdev->host);
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
@@ -1878,7 +1882,7 @@ static int nv_swncq_slave_config(struct scsi_device *sdev)
u8 check_maxtor = 0;
unsigned char model_num[ATA_ID_PROD_LEN + 1];
- rc = ata_scsi_slave_config(sdev);
+ rc = ata_scsi_device_configure(sdev, lim);
if (sdev->id >= ATA_MAX_DEVICES || sdev->channel || sdev->lun)
/* Not a proper libata device, ignore */
return rc;
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index 142e70bfc498..72c03cbdaff4 100644
--- a/drivers/ata/sata_sil24.c
+++ b/drivers/ata/sata_sil24.c
@@ -381,7 +381,7 @@ static const struct scsi_host_template sil24_sht = {
.tag_alloc_policy = BLK_TAG_ALLOC_FIFO,
.sdev_groups = ata_ncq_sdev_groups,
.change_queue_depth = ata_scsi_change_queue_depth,
- .slave_configure = ata_scsi_slave_config
+ .device_configure = ata_scsi_device_configure
};
static struct ata_port_operations sil24_ops = {
diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c
index b51d7a9d0d90..a482741eb181 100644
--- a/drivers/ata/sata_sx4.c
+++ b/drivers/ata/sata_sx4.c
@@ -957,8 +957,7 @@ static void pdc20621_get_from_dimm(struct ata_host *host, void *psource,
offset -= (idx * window_size);
idx++;
- dist = ((long) (window_size - (offset + size))) >= 0 ? size :
- (long) (window_size - offset);
+ dist = min(size, window_size - offset);
memcpy_fromio(psource, dimm_mmio + offset / 4, dist);
psource += dist;
@@ -1005,8 +1004,7 @@ static void pdc20621_put_to_dimm(struct ata_host *host, void *psource,
readl(mmio + PDC_DIMM_WINDOW_CTLR);
offset -= (idx * window_size);
idx++;
- dist = ((long)(s32)(window_size - (offset + size))) >= 0 ? size :
- (long) (window_size - offset);
+ dist = min(size, window_size - offset);
memcpy_toio(dimm_mmio + offset / 4, psource, dist);
writel(0x01, mmio + PDC_GENERAL_CTLR);
readl(mmio + PDC_GENERAL_CTLR);