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-rw-r--r--drivers/ata/ahci.c1
-rw-r--r--drivers/ata/ahci_sunxi.c2
-rw-r--r--drivers/ata/libahci_platform.c5
-rw-r--r--drivers/ata/libata-core.c44
-rw-r--r--drivers/ata/libata-eh.c8
-rw-r--r--drivers/ata/libata-scsi.c15
-rw-r--r--drivers/ata/libata-sff.c35
-rw-r--r--drivers/ata/pata_ep93xx.c2
-rw-r--r--drivers/ata/pata_hpt37x.c18
-rw-r--r--drivers/ata/pata_legacy.c6
-rw-r--r--drivers/ata/pata_marvell.c2
-rw-r--r--drivers/ata/pata_octeon_cf.c5
-rw-r--r--drivers/ata/pata_rb532_cf.c6
-rw-r--r--drivers/ata/sata_dwc_460ex.c18
-rw-r--r--drivers/ata/sata_fsl.c20
-rw-r--r--drivers/ata/sata_highbank.c6
-rw-r--r--drivers/ata/sata_mv.c4
17 files changed, 151 insertions, 46 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 8beb418ce167..6f572967b555 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -420,6 +420,7 @@ static const struct pci_device_id ahci_pci_tbl[] = {
/* AMD */
{ PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
{ PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */
+ { PCI_VDEVICE(AMD, 0x7901), board_ahci_mobile }, /* AMD Green Sardine */
/* AMD is using RAID class only for ahci controllers */
{ PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
diff --git a/drivers/ata/ahci_sunxi.c b/drivers/ata/ahci_sunxi.c
index cb69b737cb49..56b695136977 100644
--- a/drivers/ata/ahci_sunxi.c
+++ b/drivers/ata/ahci_sunxi.c
@@ -200,7 +200,7 @@ static void ahci_sunxi_start_engine(struct ata_port *ap)
}
static const struct ata_port_info ahci_sunxi_port_info = {
- .flags = AHCI_FLAG_COMMON | ATA_FLAG_NCQ,
+ .flags = AHCI_FLAG_COMMON | ATA_FLAG_NCQ | ATA_FLAG_NO_DIPM,
.pio_mask = ATA_PIO4,
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_platform_ops,
diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c
index 416cfbf2f1c2..8a963d2a951d 100644
--- a/drivers/ata/libahci_platform.c
+++ b/drivers/ata/libahci_platform.c
@@ -440,10 +440,7 @@ struct ahci_host_priv *ahci_platform_get_resources(struct platform_device *pdev,
hpriv->phy_regulator = devm_regulator_get(dev, "phy");
if (IS_ERR(hpriv->phy_regulator)) {
rc = PTR_ERR(hpriv->phy_regulator);
- if (rc == -EPROBE_DEFER)
- goto err_out;
- rc = 0;
- hpriv->phy_regulator = NULL;
+ goto err_out;
}
if (flags & AHCI_PLATFORM_GET_RESETS) {
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index f67b3fb33d57..af8a1bac9345 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2057,7 +2057,7 @@ unsigned int ata_read_log_page(struct ata_device *dev, u8 log,
retry:
ata_tf_init(dev, &tf);
- if (dev->dma_mode && ata_id_has_read_log_dma_ext(dev->id) &&
+ if (ata_dma_enabled(dev) && ata_id_has_read_log_dma_ext(dev->id) &&
!(dev->horkage & ATA_HORKAGE_NO_DMA_LOG)) {
tf.command = ATA_CMD_READ_LOG_DMA_EXT;
tf.protocol = ATA_PROT_DMA;
@@ -2252,6 +2252,25 @@ static void ata_dev_config_ncq_prio(struct ata_device *dev)
}
+static bool ata_dev_check_adapter(struct ata_device *dev,
+ unsigned short vendor_id)
+{
+ struct pci_dev *pcidev = NULL;
+ struct device *parent_dev = NULL;
+
+ for (parent_dev = dev->tdev.parent; parent_dev != NULL;
+ parent_dev = parent_dev->parent) {
+ if (dev_is_pci(parent_dev)) {
+ pcidev = to_pci_dev(parent_dev);
+ if (pcidev->vendor == vendor_id)
+ return true;
+ break;
+ }
+ }
+
+ return false;
+}
+
static int ata_dev_config_ncq(struct ata_device *dev,
char *desc, size_t desc_sz)
{
@@ -2268,6 +2287,13 @@ static int ata_dev_config_ncq(struct ata_device *dev,
snprintf(desc, desc_sz, "NCQ (not used)");
return 0;
}
+
+ if (dev->horkage & ATA_HORKAGE_NO_NCQ_ON_ATI &&
+ ata_dev_check_adapter(dev, PCI_VENDOR_ID_ATI)) {
+ snprintf(desc, desc_sz, "NCQ (not used)");
+ return 0;
+ }
+
if (ap->flags & ATA_FLAG_NCQ) {
hdepth = min(ap->scsi_host->can_queue, ATA_MAX_QUEUE);
dev->flags |= ATA_DFLAG_NCQ;
@@ -4411,6 +4437,8 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "VRFDFC22048UCHC-TE*", NULL, ATA_HORKAGE_NODMA },
/* Odd clown on sil3726/4726 PMPs */
{ "Config Disk", NULL, ATA_HORKAGE_DISABLE },
+ /* Similar story with ASMedia 1092 */
+ { "ASMT109x- Config", NULL, ATA_HORKAGE_DISABLE },
/* Weird ATAPI devices */
{ "TORiSAN DVD-ROM DRD-N216", NULL, ATA_HORKAGE_MAX_SEC_128 },
@@ -4552,15 +4580,25 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Crucial_CT*MX100*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ { "Samsung SSD 840 EVO*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
+ ATA_HORKAGE_NO_DMA_LOG |
+ ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Samsung SSD 840*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Samsung SSD 850*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ { "Samsung SSD 860*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
+ ATA_HORKAGE_ZERO_AFTER_TRIM |
+ ATA_HORKAGE_NO_NCQ_ON_ATI, },
+ { "Samsung SSD 870*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
+ ATA_HORKAGE_ZERO_AFTER_TRIM |
+ ATA_HORKAGE_NO_NCQ_ON_ATI, },
{ "FCCT*M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
/* devices that don't properly handle TRIM commands */
{ "SuperSSpeed S238*", NULL, ATA_HORKAGE_NOTRIM, },
+ { "M88V29*", NULL, ATA_HORKAGE_NOTRIM, },
/*
* As defined, the DRAT (Deterministic Read After Trim) and RZAT
@@ -6394,7 +6432,7 @@ int ata_host_start(struct ata_host *host)
have_stop = 1;
}
- if (host->ops->host_stop)
+ if (host->ops && host->ops->host_stop)
have_stop = 1;
if (have_stop) {
@@ -6912,6 +6950,8 @@ static int __init ata_parse_force_one(char **cur,
{ "ncq", .horkage_off = ATA_HORKAGE_NONCQ },
{ "noncqtrim", .horkage_on = ATA_HORKAGE_NO_NCQ_TRIM },
{ "ncqtrim", .horkage_off = ATA_HORKAGE_NO_NCQ_TRIM },
+ { "noncqati", .horkage_on = ATA_HORKAGE_NO_NCQ_ON_ATI },
+ { "ncqati", .horkage_off = ATA_HORKAGE_NO_NCQ_ON_ATI },
{ "dump_id", .horkage_on = ATA_HORKAGE_DUMP_ID },
{ "pio0", .xfer_mask = 1 << (ATA_SHIFT_PIO + 0) },
{ "pio1", .xfer_mask = 1 << (ATA_SHIFT_PIO + 1) },
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 3bfd9da58473..c6a21a784ec6 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -97,6 +97,12 @@ static const unsigned long ata_eh_identify_timeouts[] = {
ULONG_MAX,
};
+static const unsigned long ata_eh_revalidate_timeouts[] = {
+ 15000, /* Some drives are slow to read log pages when waking-up */
+ 15000, /* combined time till here is enough even for media access */
+ ULONG_MAX,
+};
+
static const unsigned long ata_eh_flush_timeouts[] = {
15000, /* be generous with flush */
15000, /* ditto */
@@ -133,6 +139,8 @@ static const struct ata_eh_cmd_timeout_ent
ata_eh_cmd_timeout_table[ATA_EH_CMD_TIMEOUT_TABLE_SIZE] = {
{ .commands = CMDS(ATA_CMD_ID_ATA, ATA_CMD_ID_ATAPI),
.timeouts = ata_eh_identify_timeouts, },
+ { .commands = CMDS(ATA_CMD_READ_LOG_EXT, ATA_CMD_READ_LOG_DMA_EXT),
+ .timeouts = ata_eh_revalidate_timeouts, },
{ .commands = CMDS(ATA_CMD_READ_NATIVE_MAX, ATA_CMD_READ_NATIVE_MAX_EXT),
.timeouts = ata_eh_other_timeouts, },
{ .commands = CMDS(ATA_CMD_SET_MAX, ATA_CMD_SET_MAX_EXT),
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 464efedc778b..2b247014ba45 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -3164,8 +3164,19 @@ static unsigned int ata_scsi_pass_thru(struct ata_queued_cmd *qc)
goto invalid_fld;
}
- if (ata_is_ncq(tf->protocol) && (cdb[2 + cdb_offset] & 0x3) == 0)
- tf->protocol = ATA_PROT_NCQ_NODATA;
+ if ((cdb[2 + cdb_offset] & 0x3) == 0) {
+ /*
+ * When T_LENGTH is zero (No data is transferred), dir should
+ * be DMA_NONE.
+ */
+ if (scmd->sc_data_direction != DMA_NONE) {
+ fp = 2 + cdb_offset;
+ goto invalid_fld;
+ }
+
+ if (ata_is_ncq(tf->protocol))
+ tf->protocol = ATA_PROT_NCQ_NODATA;
+ }
/* enable LBA */
tf->flags |= ATA_TFLAG_LBA;
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 038db94216a9..454f9d7d42fe 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -641,6 +641,20 @@ unsigned int ata_sff_data_xfer32(struct ata_queued_cmd *qc, unsigned char *buf,
}
EXPORT_SYMBOL_GPL(ata_sff_data_xfer32);
+static void ata_pio_xfer(struct ata_queued_cmd *qc, struct page *page,
+ unsigned int offset, size_t xfer_size)
+{
+ bool do_write = (qc->tf.flags & ATA_TFLAG_WRITE);
+ unsigned char *buf;
+
+ buf = kmap_atomic(page);
+ qc->ap->ops->sff_data_xfer(qc, buf + offset, xfer_size, do_write);
+ kunmap_atomic(buf);
+
+ if (!do_write && !PageSlab(page))
+ flush_dcache_page(page);
+}
+
/**
* ata_pio_sector - Transfer a sector of data.
* @qc: Command on going
@@ -652,11 +666,9 @@ EXPORT_SYMBOL_GPL(ata_sff_data_xfer32);
*/
static void ata_pio_sector(struct ata_queued_cmd *qc)
{
- int do_write = (qc->tf.flags & ATA_TFLAG_WRITE);
struct ata_port *ap = qc->ap;
struct page *page;
unsigned int offset;
- unsigned char *buf;
if (!qc->cursg) {
qc->curbytes = qc->nbytes;
@@ -674,13 +686,20 @@ static void ata_pio_sector(struct ata_queued_cmd *qc)
DPRINTK("data %s\n", qc->tf.flags & ATA_TFLAG_WRITE ? "write" : "read");
- /* do the actual data transfer */
- buf = kmap_atomic(page);
- ap->ops->sff_data_xfer(qc, buf + offset, qc->sect_size, do_write);
- kunmap_atomic(buf);
+ /*
+ * Split the transfer when it splits a page boundary. Note that the
+ * split still has to be dword aligned like all ATA data transfers.
+ */
+ WARN_ON_ONCE(offset % 4);
+ if (offset + qc->sect_size > PAGE_SIZE) {
+ unsigned int split_len = PAGE_SIZE - offset;
- if (!do_write && !PageSlab(page))
- flush_dcache_page(page);
+ ata_pio_xfer(qc, page, offset, split_len);
+ ata_pio_xfer(qc, nth_page(page, 1), 0,
+ qc->sect_size - split_len);
+ } else {
+ ata_pio_xfer(qc, page, offset, qc->sect_size);
+ }
qc->curbytes += qc->sect_size;
qc->cursg_ofs += qc->sect_size;
diff --git a/drivers/ata/pata_ep93xx.c b/drivers/ata/pata_ep93xx.c
index badab6708893..46208ececbb6 100644
--- a/drivers/ata/pata_ep93xx.c
+++ b/drivers/ata/pata_ep93xx.c
@@ -928,7 +928,7 @@ static int ep93xx_pata_probe(struct platform_device *pdev)
/* INT[3] (IRQ_EP93XX_EXT3) line connected as pull down */
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
- err = -ENXIO;
+ err = irq;
goto err_rel_gpio;
}
diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c
index fad6c6a87313..fef46de2f6b2 100644
--- a/drivers/ata/pata_hpt37x.c
+++ b/drivers/ata/pata_hpt37x.c
@@ -918,6 +918,20 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
pci_write_config_byte(dev, 0x5a, irqmask);
/*
+ * HPT371 chips physically have only one channel, the secondary one,
+ * but the primary channel registers do exist! Go figure...
+ * So, we manually disable the non-existing channel here
+ * (if the BIOS hasn't done this already).
+ */
+ if (dev->device == PCI_DEVICE_ID_TTI_HPT371) {
+ u8 mcr1;
+
+ pci_read_config_byte(dev, 0x50, &mcr1);
+ mcr1 &= ~0x04;
+ pci_write_config_byte(dev, 0x50, mcr1);
+ }
+
+ /*
* default to pci clock. make sure MA15/16 are set to output
* to prevent drives having problems with 40-pin cables. Needed
* for some drives such as IBM-DTLA which will not enter ready
@@ -948,14 +962,14 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
if ((freq >> 12) != 0xABCDE) {
int i;
- u8 sr;
+ u16 sr;
u32 total = 0;
pr_warn("BIOS has not set timing clocks\n");
/* This is the process the HPT371 BIOS is reported to use */
for (i = 0; i < 128; i++) {
- pci_read_config_byte(dev, 0x78, &sr);
+ pci_read_config_word(dev, 0x78, &sr);
total += sr & 0x1FF;
udelay(15);
}
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c
index 4fd12b20df23..d91ba47f2fc4 100644
--- a/drivers/ata/pata_legacy.c
+++ b/drivers/ata/pata_legacy.c
@@ -315,7 +315,8 @@ static unsigned int pdc_data_xfer_vlb(struct ata_queued_cmd *qc,
iowrite32_rep(ap->ioaddr.data_addr, buf, buflen >> 2);
if (unlikely(slop)) {
- __le32 pad;
+ __le32 pad = 0;
+
if (rw == READ) {
pad = cpu_to_le32(ioread32(ap->ioaddr.data_addr));
memcpy(buf + buflen - slop, &pad, slop);
@@ -705,7 +706,8 @@ static unsigned int vlb32_data_xfer(struct ata_queued_cmd *qc,
ioread32_rep(ap->ioaddr.data_addr, buf, buflen >> 2);
if (unlikely(slop)) {
- __le32 pad;
+ __le32 pad = 0;
+
if (rw == WRITE) {
memcpy(&pad, buf + buflen - slop, slop);
iowrite32(le32_to_cpu(pad), ap->ioaddr.data_addr);
diff --git a/drivers/ata/pata_marvell.c b/drivers/ata/pata_marvell.c
index b066809ba9a1..c56f4043b0cc 100644
--- a/drivers/ata/pata_marvell.c
+++ b/drivers/ata/pata_marvell.c
@@ -83,6 +83,8 @@ static int marvell_cable_detect(struct ata_port *ap)
switch(ap->port_no)
{
case 0:
+ if (!ap->ioaddr.bmdma_addr)
+ return ATA_CBL_PATA_UNK;
if (ioread8(ap->ioaddr.bmdma_addr + 1) & 1)
return ATA_CBL_PATA40;
return ATA_CBL_PATA80;
diff --git a/drivers/ata/pata_octeon_cf.c b/drivers/ata/pata_octeon_cf.c
index d3d851b014a3..ac3b1fda820f 100644
--- a/drivers/ata/pata_octeon_cf.c
+++ b/drivers/ata/pata_octeon_cf.c
@@ -898,10 +898,11 @@ static int octeon_cf_probe(struct platform_device *pdev)
return -EINVAL;
}
- irq_handler = octeon_cf_interrupt;
i = platform_get_irq(dma_dev, 0);
- if (i > 0)
+ if (i > 0) {
irq = i;
+ irq_handler = octeon_cf_interrupt;
+ }
}
of_node_put(dma_node);
}
diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c
index deae466395de..1e6d61dc966a 100644
--- a/drivers/ata/pata_rb532_cf.c
+++ b/drivers/ata/pata_rb532_cf.c
@@ -115,10 +115,12 @@ static int rb532_pata_driver_probe(struct platform_device *pdev)
}
irq = platform_get_irq(pdev, 0);
- if (irq <= 0) {
+ if (irq < 0) {
dev_err(&pdev->dev, "no IRQ resource found\n");
- return -ENOENT;
+ return irq;
}
+ if (!irq)
+ return -EINVAL;
gpiod = devm_gpiod_get(&pdev->dev, NULL, GPIOD_IN);
if (IS_ERR(gpiod)) {
diff --git a/drivers/ata/sata_dwc_460ex.c b/drivers/ata/sata_dwc_460ex.c
index 9dcef6ac643b..464260f66870 100644
--- a/drivers/ata/sata_dwc_460ex.c
+++ b/drivers/ata/sata_dwc_460ex.c
@@ -145,7 +145,11 @@ struct sata_dwc_device {
#endif
};
-#define SATA_DWC_QCMD_MAX 32
+/*
+ * Allow one extra special slot for commands and DMA management
+ * to account for libata internal commands.
+ */
+#define SATA_DWC_QCMD_MAX (ATA_MAX_QUEUE + 1)
struct sata_dwc_device_port {
struct sata_dwc_device *hsdev;
@@ -1249,24 +1253,20 @@ static int sata_dwc_probe(struct platform_device *ofdev)
irq = irq_of_parse_and_map(np, 0);
if (irq == NO_IRQ) {
dev_err(&ofdev->dev, "no SATA DMA irq\n");
- err = -ENODEV;
- goto error_out;
+ return -ENODEV;
}
#ifdef CONFIG_SATA_DWC_OLD_DMA
if (!of_find_property(np, "dmas", NULL)) {
err = sata_dwc_dma_init_old(ofdev, hsdev);
if (err)
- goto error_out;
+ return err;
}
#endif
hsdev->phy = devm_phy_optional_get(hsdev->dev, "sata-phy");
- if (IS_ERR(hsdev->phy)) {
- err = PTR_ERR(hsdev->phy);
- hsdev->phy = NULL;
- goto error_out;
- }
+ if (IS_ERR(hsdev->phy))
+ return PTR_ERR(hsdev->phy);
err = phy_init(hsdev->phy);
if (err)
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index d55ee244d693..0ba231e80b19 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -1394,6 +1394,14 @@ static int sata_fsl_init_controller(struct ata_host *host)
return 0;
}
+static void sata_fsl_host_stop(struct ata_host *host)
+{
+ struct sata_fsl_host_priv *host_priv = host->private_data;
+
+ iounmap(host_priv->hcr_base);
+ kfree(host_priv);
+}
+
/*
* scsi mid-layer and libata interface structures
*/
@@ -1426,6 +1434,8 @@ static struct ata_port_operations sata_fsl_ops = {
.port_start = sata_fsl_port_start,
.port_stop = sata_fsl_port_stop,
+ .host_stop = sata_fsl_host_stop,
+
.pmp_attach = sata_fsl_pmp_attach,
.pmp_detach = sata_fsl_pmp_detach,
};
@@ -1480,9 +1490,9 @@ static int sata_fsl_probe(struct platform_device *ofdev)
host_priv->ssr_base = ssr_base;
host_priv->csr_base = csr_base;
- irq = irq_of_parse_and_map(ofdev->dev.of_node, 0);
- if (!irq) {
- dev_err(&ofdev->dev, "invalid irq from platform\n");
+ irq = platform_get_irq(ofdev, 0);
+ if (irq < 0) {
+ retval = irq;
goto error_exit_with_cleanup;
}
host_priv->irq = irq;
@@ -1557,10 +1567,6 @@ static int sata_fsl_remove(struct platform_device *ofdev)
ata_host_detach(host);
- irq_dispose_mapping(host_priv->irq);
- iounmap(host_priv->hcr_base);
- kfree(host_priv);
-
return 0;
}
diff --git a/drivers/ata/sata_highbank.c b/drivers/ata/sata_highbank.c
index ad3893c62572..bcf705f512f0 100644
--- a/drivers/ata/sata_highbank.c
+++ b/drivers/ata/sata_highbank.c
@@ -469,10 +469,12 @@ static int ahci_highbank_probe(struct platform_device *pdev)
}
irq = platform_get_irq(pdev, 0);
- if (irq <= 0) {
+ if (irq < 0) {
dev_err(dev, "no irq\n");
- return -EINVAL;
+ return irq;
}
+ if (!irq)
+ return -EINVAL;
hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
if (!hpriv) {
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index d1ed9679c717..3fca3e13ed6a 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -3892,8 +3892,8 @@ static int mv_chip_id(struct ata_host *host, unsigned int board_idx)
break;
default:
- dev_err(host->dev, "BUG: invalid board index %u\n", board_idx);
- return 1;
+ dev_alert(host->dev, "BUG: invalid board index %u\n", board_idx);
+ return -EINVAL;
}
hpriv->hp_flags = hp_flags;