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-rw-r--r--drivers/ata/Kconfig2
-rw-r--r--drivers/ata/ahci.c60
-rw-r--r--drivers/ata/ahci_mvebu.c2
-rw-r--r--drivers/ata/ahci_platform.c1
-rw-r--r--drivers/ata/libahci.c7
-rw-r--r--drivers/ata/libata-core.c6
-rw-r--r--drivers/ata/libata-eh.c41
-rw-r--r--drivers/ata/libata-scsi.c36
-rw-r--r--drivers/ata/libata.h2
-rw-r--r--drivers/ata/pata_imx.c1
-rw-r--r--drivers/ata/pata_pxa.c10
-rw-r--r--drivers/ata/pata_samsung_cf.c1
-rw-r--r--drivers/ata/sata_fsl.c9
-rw-r--r--drivers/ata/sata_nv.c3
14 files changed, 110 insertions, 71 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 2b16e7c8fff3..39b181d6bd0d 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -398,7 +398,6 @@ config SATA_DWC_VDEBUG
config SATA_HIGHBANK
tristate "Calxeda Highbank SATA support"
- depends on HAS_DMA
depends on ARCH_HIGHBANK || COMPILE_TEST
help
This option enables support for the Calxeda Highbank SoC's
@@ -408,7 +407,6 @@ config SATA_HIGHBANK
config SATA_MV
tristate "Marvell SATA support"
- depends on HAS_DMA
depends on PCI || ARCH_DOVE || ARCH_MV78XX0 || \
ARCH_MVEBU || ARCH_ORION5X || COMPILE_TEST
select GENERIC_PHY
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index b14dccda0154..021ce46e2e57 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -400,6 +400,7 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0x0f23), board_ahci_mobile }, /* Bay Trail AHCI */
{ PCI_VDEVICE(INTEL, 0x22a3), board_ahci_mobile }, /* Cherry Tr. AHCI */
{ PCI_VDEVICE(INTEL, 0x5ae3), board_ahci_mobile }, /* ApolloLake AHCI */
+ { PCI_VDEVICE(INTEL, 0x34d3), board_ahci_mobile }, /* Ice Lake LP 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,
@@ -1280,6 +1281,59 @@ static bool ahci_broken_suspend(struct pci_dev *pdev)
return strcmp(buf, dmi->driver_data) < 0;
}
+static bool ahci_broken_lpm(struct pci_dev *pdev)
+{
+ static const struct dmi_system_id sysids[] = {
+ /* Various Lenovo 50 series have LPM issues with older BIOSen */
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X250"),
+ },
+ .driver_data = "20180406", /* 1.31 */
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L450"),
+ },
+ .driver_data = "20180420", /* 1.28 */
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T450s"),
+ },
+ .driver_data = "20180315", /* 1.33 */
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W541"),
+ },
+ /*
+ * Note date based on release notes, 2.35 has been
+ * reported to be good, but I've been unable to get
+ * a hold of the reporter to get the DMI BIOS date.
+ * TODO: fix this.
+ */
+ .driver_data = "20180310", /* 2.35 */
+ },
+ { } /* terminate list */
+ };
+ const struct dmi_system_id *dmi = dmi_first_match(sysids);
+ int year, month, date;
+ char buf[9];
+
+ if (!dmi)
+ return false;
+
+ dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
+ snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
+
+ return strcmp(buf, dmi->driver_data) < 0;
+}
+
static bool ahci_broken_online(struct pci_dev *pdev)
{
#define ENCODE_BUSDEVFN(bus, slot, func) \
@@ -1725,6 +1779,12 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
"quirky BIOS, skipping spindown on poweroff\n");
}
+ if (ahci_broken_lpm(pdev)) {
+ pi.flags |= ATA_FLAG_NO_LPM;
+ dev_warn(&pdev->dev,
+ "BIOS update required for Link Power Management support\n");
+ }
+
if (ahci_broken_suspend(pdev)) {
hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
dev_warn(&pdev->dev,
diff --git a/drivers/ata/ahci_mvebu.c b/drivers/ata/ahci_mvebu.c
index adbe38fb9c35..f9cb51be38eb 100644
--- a/drivers/ata/ahci_mvebu.c
+++ b/drivers/ata/ahci_mvebu.c
@@ -82,7 +82,7 @@ static void ahci_mvebu_regret_option(struct ahci_host_priv *hpriv)
*
* Return: 0 on success; Error code otherwise.
*/
-int ahci_mvebu_stop_engine(struct ata_port *ap)
+static int ahci_mvebu_stop_engine(struct ata_port *ap)
{
void __iomem *port_mmio = ahci_port_base(ap);
u32 tmp, port_fbs;
diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index ddd930852b2e..46f0bd75eff7 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -76,7 +76,6 @@ static const struct of_device_id ahci_of_match[] = {
{ .compatible = "generic-ahci", },
/* Keep the following compatibles for device tree compatibility */
{ .compatible = "snps,spear-ahci", },
- { .compatible = "snps,exynos5440-ahci", },
{ .compatible = "ibm,476gtr-ahci", },
{ .compatible = "snps,dwc-ahci", },
{ .compatible = "hisilicon,hisi-ahci", },
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 313fd74ddaef..b5f57c69c487 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -35,6 +35,7 @@
#include <linux/kernel.h>
#include <linux/gfp.h>
#include <linux/module.h>
+#include <linux/nospec.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
@@ -1149,10 +1150,12 @@ static ssize_t ahci_led_store(struct ata_port *ap, const char *buf,
/* get the slot number from the message */
pmp = (state & EM_MSG_LED_PMP_SLOT) >> 8;
- if (pmp < EM_MAX_SLOTS)
+ if (pmp < EM_MAX_SLOTS) {
+ pmp = array_index_nospec(pmp, EM_MAX_SLOTS);
emp = &pp->em_priv[pmp];
- else
+ } else {
return -EINVAL;
+ }
/* mask off the activity bits if we are in sw_activity
* mode, user should turn off sw_activity before setting
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index f1b1be17383b..172e32840256 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2493,6 +2493,9 @@ int ata_dev_configure(struct ata_device *dev)
(id[ATA_ID_SATA_CAPABILITY] & 0xe) == 0x2)
dev->horkage |= ATA_HORKAGE_NOLPM;
+ if (ap->flags & ATA_FLAG_NO_LPM)
+ dev->horkage |= ATA_HORKAGE_NOLPM;
+
if (dev->horkage & ATA_HORKAGE_NOLPM) {
ata_dev_warn(dev, "LPM support broken, forcing max_power\n");
dev->link->ap->target_lpm_policy = ATA_LPM_MAX_POWER;
@@ -6422,6 +6425,7 @@ void ata_host_init(struct ata_host *host, struct device *dev,
host->n_tags = ATA_MAX_QUEUE;
host->dev = dev;
host->ops = ops;
+ kref_init(&host->kref);
}
void __ata_port_probe(struct ata_port *ap)
@@ -7389,3 +7393,5 @@ EXPORT_SYMBOL_GPL(ata_cable_80wire);
EXPORT_SYMBOL_GPL(ata_cable_unknown);
EXPORT_SYMBOL_GPL(ata_cable_ignore);
EXPORT_SYMBOL_GPL(ata_cable_sata);
+EXPORT_SYMBOL_GPL(ata_host_get);
+EXPORT_SYMBOL_GPL(ata_host_put); \ No newline at end of file
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index d5412145d76d..01306c018398 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -614,8 +614,7 @@ void ata_scsi_cmd_error_handler(struct Scsi_Host *host, struct ata_port *ap,
list_for_each_entry_safe(scmd, tmp, eh_work_q, eh_entry) {
struct ata_queued_cmd *qc;
- for (i = 0; i < ATA_MAX_QUEUE; i++) {
- qc = __ata_qc_from_tag(ap, i);
+ ata_qc_for_each_raw(ap, qc, i) {
if (qc->flags & ATA_QCFLAG_ACTIVE &&
qc->scsicmd == scmd)
break;
@@ -818,14 +817,13 @@ EXPORT_SYMBOL_GPL(ata_port_wait_eh);
static int ata_eh_nr_in_flight(struct ata_port *ap)
{
+ struct ata_queued_cmd *qc;
unsigned int tag;
int nr = 0;
/* count only non-internal commands */
- for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
- if (ata_tag_internal(tag))
- continue;
- if (ata_qc_from_tag(ap, tag))
+ ata_qc_for_each(ap, qc, tag) {
+ if (qc)
nr++;
}
@@ -847,13 +845,13 @@ void ata_eh_fastdrain_timerfn(struct timer_list *t)
goto out_unlock;
if (cnt == ap->fastdrain_cnt) {
+ struct ata_queued_cmd *qc;
unsigned int tag;
/* No progress during the last interval, tag all
* in-flight qcs as timed out and freeze the port.
*/
- for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
- struct ata_queued_cmd *qc = ata_qc_from_tag(ap, tag);
+ ata_qc_for_each(ap, qc, tag) {
if (qc)
qc->err_mask |= AC_ERR_TIMEOUT;
}
@@ -999,6 +997,7 @@ void ata_port_schedule_eh(struct ata_port *ap)
static int ata_do_link_abort(struct ata_port *ap, struct ata_link *link)
{
+ struct ata_queued_cmd *qc;
int tag, nr_aborted = 0;
WARN_ON(!ap->ops->error_handler);
@@ -1007,9 +1006,7 @@ static int ata_do_link_abort(struct ata_port *ap, struct ata_link *link)
ata_eh_set_pending(ap, 0);
/* include internal tag in iteration */
- for (tag = 0; tag <= ATA_MAX_QUEUE; tag++) {
- struct ata_queued_cmd *qc = ata_qc_from_tag(ap, tag);
-
+ ata_qc_for_each_with_internal(ap, qc, tag) {
if (qc && (!link || qc->dev->link == link)) {
qc->flags |= ATA_QCFLAG_FAILED;
ata_qc_complete(qc);
@@ -1712,9 +1709,7 @@ void ata_eh_analyze_ncq_error(struct ata_link *link)
return;
/* has LLDD analyzed already? */
- for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
- qc = __ata_qc_from_tag(ap, tag);
-
+ ata_qc_for_each_raw(ap, qc, tag) {
if (!(qc->flags & ATA_QCFLAG_FAILED))
continue;
@@ -2136,6 +2131,7 @@ static void ata_eh_link_autopsy(struct ata_link *link)
{
struct ata_port *ap = link->ap;
struct ata_eh_context *ehc = &link->eh_context;
+ struct ata_queued_cmd *qc;
struct ata_device *dev;
unsigned int all_err_mask = 0, eflags = 0;
int tag, nr_failed = 0, nr_quiet = 0;
@@ -2168,9 +2164,7 @@ static void ata_eh_link_autopsy(struct ata_link *link)
all_err_mask |= ehc->i.err_mask;
- for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
- struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag);
-
+ ata_qc_for_each_raw(ap, qc, tag) {
if (!(qc->flags & ATA_QCFLAG_FAILED) ||
ata_dev_phys_link(qc->dev) != link)
continue;
@@ -2436,6 +2430,7 @@ static void ata_eh_link_report(struct ata_link *link)
{
struct ata_port *ap = link->ap;
struct ata_eh_context *ehc = &link->eh_context;
+ struct ata_queued_cmd *qc;
const char *frozen, *desc;
char tries_buf[6] = "";
int tag, nr_failed = 0;
@@ -2447,9 +2442,7 @@ static void ata_eh_link_report(struct ata_link *link)
if (ehc->i.desc[0] != '\0')
desc = ehc->i.desc;
- for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
- struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag);
-
+ ata_qc_for_each_raw(ap, qc, tag) {
if (!(qc->flags & ATA_QCFLAG_FAILED) ||
ata_dev_phys_link(qc->dev) != link ||
((qc->flags & ATA_QCFLAG_QUIET) &&
@@ -2511,8 +2504,7 @@ static void ata_eh_link_report(struct ata_link *link)
ehc->i.serror & SERR_DEV_XCHG ? "DevExch " : "");
#endif
- for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
- struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag);
+ ata_qc_for_each_raw(ap, qc, tag) {
struct ata_taskfile *cmd = &qc->tf, *res = &qc->result_tf;
char data_buf[20] = "";
char cdb_buf[70] = "";
@@ -3992,12 +3984,11 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
*/
void ata_eh_finish(struct ata_port *ap)
{
+ struct ata_queued_cmd *qc;
int tag;
/* retry or finish qcs */
- for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
- struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag);
-
+ ata_qc_for_each_raw(ap, qc, tag) {
if (!(qc->flags & ATA_QCFLAG_FAILED))
continue;
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 63c25f1499c3..1984fc78c750 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -598,8 +598,9 @@ static int ata_get_identity(struct ata_port *ap, struct scsi_device *sdev,
int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
{
int rc = 0;
+ u8 sensebuf[SCSI_SENSE_BUFFERSIZE];
u8 scsi_cmd[MAX_COMMAND_SIZE];
- u8 args[4], *argbuf = NULL, *sensebuf = NULL;
+ u8 args[4], *argbuf = NULL;
int argsize = 0;
enum dma_data_direction data_dir;
struct scsi_sense_hdr sshdr;
@@ -611,10 +612,7 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
if (copy_from_user(args, arg, sizeof(args)))
return -EFAULT;
- sensebuf = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_NOIO);
- if (!sensebuf)
- return -ENOMEM;
-
+ memset(sensebuf, 0, sizeof(sensebuf));
memset(scsi_cmd, 0, sizeof(scsi_cmd));
if (args[3]) {
@@ -686,7 +684,6 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
&& copy_to_user(arg + sizeof(args), argbuf, argsize))
rc = -EFAULT;
error:
- kfree(sensebuf);
kfree(argbuf);
return rc;
}
@@ -705,8 +702,9 @@ error:
int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg)
{
int rc = 0;
+ u8 sensebuf[SCSI_SENSE_BUFFERSIZE];
u8 scsi_cmd[MAX_COMMAND_SIZE];
- u8 args[7], *sensebuf = NULL;
+ u8 args[7];
struct scsi_sense_hdr sshdr;
int cmd_result;
@@ -716,10 +714,7 @@ int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg)
if (copy_from_user(args, arg, sizeof(args)))
return -EFAULT;
- sensebuf = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_NOIO);
- if (!sensebuf)
- return -ENOMEM;
-
+ memset(sensebuf, 0, sizeof(sensebuf));
memset(scsi_cmd, 0, sizeof(scsi_cmd));
scsi_cmd[0] = ATA_16;
scsi_cmd[1] = (3 << 1); /* Non-data */
@@ -770,7 +765,6 @@ int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg)
}
error:
- kfree(sensebuf);
return rc;
}
@@ -3806,10 +3800,20 @@ static unsigned int ata_scsi_zbc_out_xlat(struct ata_queued_cmd *qc)
*/
goto invalid_param_len;
}
- if (block > dev->n_sectors)
- goto out_of_range;
all = cdb[14] & 0x1;
+ if (all) {
+ /*
+ * Ignore the block address (zone ID) as defined by ZBC.
+ */
+ block = 0;
+ } else if (block >= dev->n_sectors) {
+ /*
+ * Block must be a valid zone ID (a zone start LBA).
+ */
+ fp = 2;
+ goto invalid_fld;
+ }
if (ata_ncq_enabled(qc->dev) &&
ata_fpdma_zac_mgmt_out_supported(qc->dev)) {
@@ -3838,10 +3842,6 @@ static unsigned int ata_scsi_zbc_out_xlat(struct ata_queued_cmd *qc)
invalid_fld:
ata_scsi_set_invalid_field(qc->dev, scmd, fp, 0xff);
return 1;
- out_of_range:
- /* "Logical Block Address out of range" */
- ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x21, 0x00);
- return 1;
invalid_param_len:
/* "Parameter list length error" */
ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x1a, 0x0);
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index 9e21c49cf6be..f953cb4bb1ba 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -100,8 +100,6 @@ extern int ata_port_probe(struct ata_port *ap);
extern void __ata_port_probe(struct ata_port *ap);
extern unsigned int ata_read_log_page(struct ata_device *dev, u8 log,
u8 page, void *buf, unsigned int sectors);
-extern void ata_host_get(struct ata_host *host);
-extern void ata_host_put(struct ata_host *host);
#define to_ata_port(d) container_of(d, struct ata_port, tdev)
diff --git a/drivers/ata/pata_imx.c b/drivers/ata/pata_imx.c
index 108101325efd..2e538726802b 100644
--- a/drivers/ata/pata_imx.c
+++ b/drivers/ata/pata_imx.c
@@ -17,6 +17,7 @@
#include <linux/clk.h>
#include <linux/libata.h>
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
#define DRV_NAME "pata_imx"
diff --git a/drivers/ata/pata_pxa.c b/drivers/ata/pata_pxa.c
index f6c46e9a4dc0..e8b6a2e464c9 100644
--- a/drivers/ata/pata_pxa.c
+++ b/drivers/ata/pata_pxa.c
@@ -25,7 +25,6 @@
#include <linux/libata.h>
#include <linux/platform_device.h>
#include <linux/dmaengine.h>
-#include <linux/dma/pxa-dma.h>
#include <linux/gpio.h>
#include <linux/slab.h>
#include <linux/completion.h>
@@ -180,8 +179,6 @@ static int pxa_ata_probe(struct platform_device *pdev)
struct resource *irq_res;
struct pata_pxa_pdata *pdata = dev_get_platdata(&pdev->dev);
struct dma_slave_config config;
- dma_cap_mask_t mask;
- struct pxad_param param;
int ret = 0;
/*
@@ -278,10 +275,6 @@ static int pxa_ata_probe(struct platform_device *pdev)
ap->private_data = data;
- dma_cap_zero(mask);
- dma_cap_set(DMA_SLAVE, mask);
- param.prio = PXAD_PRIO_LOWEST;
- param.drcmr = pdata->dma_dreq;
memset(&config, 0, sizeof(config));
config.src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
config.dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
@@ -294,8 +287,7 @@ static int pxa_ata_probe(struct platform_device *pdev)
* Request the DMA channel
*/
data->dma_chan =
- dma_request_slave_channel_compat(mask, pxad_filter_fn,
- &param, &pdev->dev, "data");
+ dma_request_slave_channel(&pdev->dev, "data");
if (!data->dma_chan)
return -EBUSY;
ret = dmaengine_slave_config(data->dma_chan, &config);
diff --git a/drivers/ata/pata_samsung_cf.c b/drivers/ata/pata_samsung_cf.c
index bb96dc35950d..f5bd44b8bd63 100644
--- a/drivers/ata/pata_samsung_cf.c
+++ b/drivers/ata/pata_samsung_cf.c
@@ -17,6 +17,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/libata.h>
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index b8d9cfc60374..4dc528bf8e85 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -395,12 +395,6 @@ static inline unsigned int sata_fsl_tag(unsigned int tag,
{
/* We let libATA core do actual (queue) tag allocation */
- /* all non NCQ/queued commands should have tag#0 */
- if (ata_tag_internal(tag)) {
- DPRINTK("mapping internal cmds to tag#0\n");
- return 0;
- }
-
if (unlikely(tag >= SATA_FSL_QUEUE_DEPTH)) {
DPRINTK("tag %d invalid : out of range\n", tag);
return 0;
@@ -1229,8 +1223,7 @@ static void sata_fsl_host_intr(struct ata_port *ap)
/* Workaround for data length mismatch errata */
if (unlikely(hstatus & INT_ON_DATA_LENGTH_MISMATCH)) {
- for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
- qc = ata_qc_from_tag(ap, tag);
+ ata_qc_for_each_with_internal(ap, qc, tag) {
if (qc && ata_is_atapi(qc->tf.protocol)) {
u32 hcontrol;
/* Set HControl[27] to clear error registers */
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index 10ae11aa1926..72c9b922a77b 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -675,7 +675,6 @@ static int nv_adma_slave_config(struct scsi_device *sdev)
struct ata_port *ap = ata_shost_to_port(sdev->host);
struct nv_adma_port_priv *pp = ap->private_data;
struct nv_adma_port_priv *port0, *port1;
- struct scsi_device *sdev0, *sdev1;
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
unsigned long segment_boundary, flags;
unsigned short sg_tablesize;
@@ -736,8 +735,6 @@ static int nv_adma_slave_config(struct scsi_device *sdev)
port0 = ap->host->ports[0]->private_data;
port1 = ap->host->ports[1]->private_data;
- sdev0 = ap->host->ports[0]->link.device[0].sdev;
- sdev1 = ap->host->ports[1]->link.device[0].sdev;
if ((port0->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) ||
(port1->flags & NV_ADMA_ATAPI_SETUP_COMPLETE)) {
/*
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-01 06:46:45 +0100