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-rw-r--r--drivers/ata/ahci.c49
-rw-r--r--drivers/ata/ahci.h1
-rw-r--r--drivers/ata/ahci_ceva.c125
-rw-r--r--drivers/ata/libata-core.c4
4 files changed, 122 insertions, 57 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 805645efb..1790a2ecb 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -49,6 +49,7 @@ enum {
enum board_ids {
/* board IDs by feature in alphabetical order */
board_ahci,
+ board_ahci_43bit_dma,
board_ahci_ign_iferr,
board_ahci_low_power,
board_ahci_no_debounce_delay,
@@ -129,6 +130,13 @@ static const struct ata_port_info ahci_port_info[] = {
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,
},
+ [board_ahci_43bit_dma] = {
+ AHCI_HFLAGS (AHCI_HFLAG_43BIT_ONLY),
+ .flags = AHCI_FLAG_COMMON,
+ .pio_mask = ATA_PIO4,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &ahci_ops,
+ },
[board_ahci_ign_iferr] = {
AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR),
.flags = AHCI_FLAG_COMMON,
@@ -597,14 +605,19 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
{ PCI_VDEVICE(PROMISE, 0x3781), board_ahci }, /* FastTrak TX8660 ahci-mode */
- /* Asmedia */
- { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */
- { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
- { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
- { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
- { PCI_VDEVICE(ASMEDIA, 0x0621), board_ahci }, /* ASM1061R */
- { PCI_VDEVICE(ASMEDIA, 0x0622), board_ahci }, /* ASM1062R */
- { PCI_VDEVICE(ASMEDIA, 0x0624), board_ahci }, /* ASM1062+JMB575 */
+ /* ASMedia */
+ { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci_43bit_dma }, /* ASM1060 */
+ { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci_43bit_dma }, /* ASM1060 */
+ { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci_43bit_dma }, /* ASM1061 */
+ { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci_43bit_dma }, /* ASM1061/1062 */
+ { PCI_VDEVICE(ASMEDIA, 0x0621), board_ahci_43bit_dma }, /* ASM1061R */
+ { PCI_VDEVICE(ASMEDIA, 0x0622), board_ahci_43bit_dma }, /* ASM1062R */
+ { PCI_VDEVICE(ASMEDIA, 0x0624), board_ahci_43bit_dma }, /* ASM1062+JMB575 */
+ { PCI_VDEVICE(ASMEDIA, 0x1062), board_ahci }, /* ASM1062A */
+ { PCI_VDEVICE(ASMEDIA, 0x1064), board_ahci }, /* ASM1064 */
+ { PCI_VDEVICE(ASMEDIA, 0x1164), board_ahci }, /* ASM1164 */
+ { PCI_VDEVICE(ASMEDIA, 0x1165), board_ahci }, /* ASM1165 */
+ { PCI_VDEVICE(ASMEDIA, 0x1166), board_ahci }, /* ASM1166 */
/*
* Samsung SSDs found on some macbooks. NCQ times out if MSI is
@@ -658,6 +671,11 @@ MODULE_PARM_DESC(mobile_lpm_policy, "Default LPM policy for mobile chipsets");
static void ahci_pci_save_initial_config(struct pci_dev *pdev,
struct ahci_host_priv *hpriv)
{
+ if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA && pdev->device == 0x1166) {
+ dev_info(&pdev->dev, "ASM1166 has only six ports\n");
+ hpriv->saved_port_map = 0x3f;
+ }
+
if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
dev_info(&pdev->dev, "JMB361 has only one port\n");
hpriv->saved_port_map = 1;
@@ -944,11 +962,20 @@ static int ahci_pci_device_resume(struct device *dev)
#endif /* CONFIG_PM */
-static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
+static int ahci_configure_dma_masks(struct pci_dev *pdev,
+ struct ahci_host_priv *hpriv)
{
- const int dma_bits = using_dac ? 64 : 32;
+ int dma_bits;
int rc;
+ if (hpriv->cap & HOST_CAP_64) {
+ dma_bits = 64;
+ if (hpriv->flags & AHCI_HFLAG_43BIT_ONLY)
+ dma_bits = 43;
+ } else {
+ dma_bits = 32;
+ }
+
/*
* If the device fixup already set the dma_mask to some non-standard
* value, don't extend it here. This happens on STA2X11, for example.
@@ -1921,7 +1948,7 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
ahci_gtf_filter_workaround(host);
/* initialize adapter */
- rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
+ rc = ahci_configure_dma_masks(pdev, hpriv);
if (rc)
return rc;
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index ff8e6ae1c..f9c5906a8 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -247,6 +247,7 @@ enum {
AHCI_HFLAG_SUSPEND_PHYS = BIT(26), /* handle PHYs during
suspend/resume */
AHCI_HFLAG_NO_SXS = BIT(28), /* SXS not supported */
+ AHCI_HFLAG_43BIT_ONLY = BIT(29), /* 43bit DMA addr limit */
/* ap->flags bits */
diff --git a/drivers/ata/ahci_ceva.c b/drivers/ata/ahci_ceva.c
index cb24ecf36..50e07ea60 100644
--- a/drivers/ata/ahci_ceva.c
+++ b/drivers/ata/ahci_ceva.c
@@ -88,7 +88,6 @@ struct ceva_ahci_priv {
u32 axicc;
bool is_cci_enabled;
int flags;
- struct reset_control *rst;
};
static unsigned int ceva_ahci_read_id(struct ata_device *dev,
@@ -189,6 +188,60 @@ static struct scsi_host_template ahci_platform_sht = {
AHCI_SHT(DRV_NAME),
};
+static int ceva_ahci_platform_enable_resources(struct ahci_host_priv *hpriv)
+{
+ int rc, i;
+
+ rc = ahci_platform_enable_regulators(hpriv);
+ if (rc)
+ return rc;
+
+ rc = ahci_platform_enable_clks(hpriv);
+ if (rc)
+ goto disable_regulator;
+
+ /* Assert the controller reset */
+ rc = ahci_platform_assert_rsts(hpriv);
+ if (rc)
+ goto disable_clks;
+
+ for (i = 0; i < hpriv->nports; i++) {
+ rc = phy_init(hpriv->phys[i]);
+ if (rc)
+ goto disable_rsts;
+ }
+
+ /* De-assert the controller reset */
+ ahci_platform_deassert_rsts(hpriv);
+
+ for (i = 0; i < hpriv->nports; i++) {
+ rc = phy_power_on(hpriv->phys[i]);
+ if (rc) {
+ phy_exit(hpriv->phys[i]);
+ goto disable_phys;
+ }
+ }
+
+ return 0;
+
+disable_rsts:
+ ahci_platform_deassert_rsts(hpriv);
+
+disable_phys:
+ while (--i >= 0) {
+ phy_power_off(hpriv->phys[i]);
+ phy_exit(hpriv->phys[i]);
+ }
+
+disable_clks:
+ ahci_platform_disable_clks(hpriv);
+
+disable_regulator:
+ ahci_platform_disable_regulators(hpriv);
+
+ return rc;
+}
+
static int ceva_ahci_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
@@ -203,47 +256,19 @@ static int ceva_ahci_probe(struct platform_device *pdev)
return -ENOMEM;
cevapriv->ahci_pdev = pdev;
-
- cevapriv->rst = devm_reset_control_get_optional_exclusive(&pdev->dev,
- NULL);
- if (IS_ERR(cevapriv->rst))
- dev_err_probe(&pdev->dev, PTR_ERR(cevapriv->rst),
- "failed to get reset\n");
-
hpriv = ahci_platform_get_resources(pdev, 0);
if (IS_ERR(hpriv))
return PTR_ERR(hpriv);
- if (!cevapriv->rst) {
- rc = ahci_platform_enable_resources(hpriv);
- if (rc)
- return rc;
- } else {
- int i;
+ hpriv->rsts = devm_reset_control_get_optional_exclusive(&pdev->dev,
+ NULL);
+ if (IS_ERR(hpriv->rsts))
+ return dev_err_probe(&pdev->dev, PTR_ERR(hpriv->rsts),
+ "failed to get reset\n");
- rc = ahci_platform_enable_clks(hpriv);
- if (rc)
- return rc;
- /* Assert the controller reset */
- reset_control_assert(cevapriv->rst);
-
- for (i = 0; i < hpriv->nports; i++) {
- rc = phy_init(hpriv->phys[i]);
- if (rc)
- return rc;
- }
-
- /* De-assert the controller reset */
- reset_control_deassert(cevapriv->rst);
-
- for (i = 0; i < hpriv->nports; i++) {
- rc = phy_power_on(hpriv->phys[i]);
- if (rc) {
- phy_exit(hpriv->phys[i]);
- return rc;
- }
- }
- }
+ rc = ceva_ahci_platform_enable_resources(hpriv);
+ if (rc)
+ return rc;
if (of_property_read_bool(np, "ceva,broken-gen2"))
cevapriv->flags = CEVA_FLAG_BROKEN_GEN2;
@@ -252,52 +277,60 @@ static int ceva_ahci_probe(struct platform_device *pdev)
if (of_property_read_u8_array(np, "ceva,p0-cominit-params",
(u8 *)&cevapriv->pp2c[0], 4) < 0) {
dev_warn(dev, "ceva,p0-cominit-params property not defined\n");
- return -EINVAL;
+ rc = -EINVAL;
+ goto disable_resources;
}
if (of_property_read_u8_array(np, "ceva,p1-cominit-params",
(u8 *)&cevapriv->pp2c[1], 4) < 0) {
dev_warn(dev, "ceva,p1-cominit-params property not defined\n");
- return -EINVAL;
+ rc = -EINVAL;
+ goto disable_resources;
}
/* Read OOB timing value for COMWAKE from device-tree*/
if (of_property_read_u8_array(np, "ceva,p0-comwake-params",
(u8 *)&cevapriv->pp3c[0], 4) < 0) {
dev_warn(dev, "ceva,p0-comwake-params property not defined\n");
- return -EINVAL;
+ rc = -EINVAL;
+ goto disable_resources;
}
if (of_property_read_u8_array(np, "ceva,p1-comwake-params",
(u8 *)&cevapriv->pp3c[1], 4) < 0) {
dev_warn(dev, "ceva,p1-comwake-params property not defined\n");
- return -EINVAL;
+ rc = -EINVAL;
+ goto disable_resources;
}
/* Read phy BURST timing value from device-tree */
if (of_property_read_u8_array(np, "ceva,p0-burst-params",
(u8 *)&cevapriv->pp4c[0], 4) < 0) {
dev_warn(dev, "ceva,p0-burst-params property not defined\n");
- return -EINVAL;
+ rc = -EINVAL;
+ goto disable_resources;
}
if (of_property_read_u8_array(np, "ceva,p1-burst-params",
(u8 *)&cevapriv->pp4c[1], 4) < 0) {
dev_warn(dev, "ceva,p1-burst-params property not defined\n");
- return -EINVAL;
+ rc = -EINVAL;
+ goto disable_resources;
}
/* Read phy RETRY interval timing value from device-tree */
if (of_property_read_u16_array(np, "ceva,p0-retry-params",
(u16 *)&cevapriv->pp5c[0], 2) < 0) {
dev_warn(dev, "ceva,p0-retry-params property not defined\n");
- return -EINVAL;
+ rc = -EINVAL;
+ goto disable_resources;
}
if (of_property_read_u16_array(np, "ceva,p1-retry-params",
(u16 *)&cevapriv->pp5c[1], 2) < 0) {
dev_warn(dev, "ceva,p1-retry-params property not defined\n");
- return -EINVAL;
+ rc = -EINVAL;
+ goto disable_resources;
}
/*
@@ -335,7 +368,7 @@ static int __maybe_unused ceva_ahci_resume(struct device *dev)
struct ahci_host_priv *hpriv = host->private_data;
int rc;
- rc = ahci_platform_enable_resources(hpriv);
+ rc = ceva_ahci_platform_enable_resources(hpriv);
if (rc)
return rc;
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index fa2fc1953..f14e56a5c 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2005,6 +2005,10 @@ void ata_dev_power_set_active(struct ata_device *dev)
struct ata_taskfile tf;
unsigned int err_mask;
+ /* If the device is already sleeping, do nothing. */
+ if (dev->flags & ATA_DFLAG_SLEEPING)
+ return;
+
/*
* Issue READ VERIFY SECTORS command for 1 sector at lba=0 only
* if supported by the device.
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-18 10:50:11 +0000