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-rw-r--r--drivers/ata/Kconfig3
-rw-r--r--drivers/ata/ahci.c38
-rw-r--r--drivers/ata/ahci_da850.c33
-rw-r--r--drivers/ata/libata-eh.c2
-rw-r--r--drivers/ata/libata-scsi.c6
-rw-r--r--drivers/ata/libata-transport.c9
-rw-r--r--drivers/ata/pata_amd.c1
-rw-r--r--drivers/ata/pata_cs5536.c1
-rw-r--r--drivers/ata/sata_via.c18
9 files changed, 93 insertions, 18 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 2c8be74f401d..5d16fc4fa46c 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -289,6 +289,7 @@ config SATA_SX4
config ATA_BMDMA
bool "ATA BMDMA support"
+ depends on HAS_DMA
default y
help
This option adds support for SFF ATA controllers with BMDMA
@@ -344,6 +345,7 @@ 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
@@ -353,6 +355,7 @@ 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 74f4c662f776..c94038206c3a 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1362,6 +1362,40 @@ static inline void ahci_gtf_filter_workaround(struct ata_host *host)
{}
#endif
+/*
+ * On the Acer Aspire Switch Alpha 12, sometimes all SATA ports are detected
+ * as DUMMY, or detected but eventually get a "link down" and never get up
+ * again. When this happens, CAP.NP may hold a value of 0x00 or 0x01, and the
+ * port_map may hold a value of 0x00.
+ *
+ * Overriding CAP.NP to 0x02 and the port_map to 0x7 will reveal all 3 ports
+ * and can significantly reduce the occurrence of the problem.
+ *
+ * https://bugzilla.kernel.org/show_bug.cgi?id=189471
+ */
+static void acer_sa5_271_workaround(struct ahci_host_priv *hpriv,
+ struct pci_dev *pdev)
+{
+ static const struct dmi_system_id sysids[] = {
+ {
+ .ident = "Acer Switch Alpha 12",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Switch SA5-271")
+ },
+ },
+ { }
+ };
+
+ if (dmi_check_system(sysids)) {
+ dev_info(&pdev->dev, "enabling Acer Switch Alpha 12 workaround\n");
+ if ((hpriv->saved_cap & 0xC734FF00) == 0xC734FF00) {
+ hpriv->port_map = 0x7;
+ hpriv->cap = 0xC734FF02;
+ }
+ }
+}
+
#ifdef CONFIG_ARM64
/*
* Due to ERRATA#22536, ThunderX needs to handle HOST_IRQ_STAT differently.
@@ -1597,6 +1631,10 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
"online status unreliable, applying workaround\n");
}
+
+ /* Acer SA5-271 workaround modifies private_data */
+ acer_sa5_271_workaround(hpriv, pdev);
+
/* CAP.NP sometimes indicate the index of the last enabled
* port, at other times, that of the last possible port, so
* determining the maximum port number requires looking at
diff --git a/drivers/ata/ahci_da850.c b/drivers/ata/ahci_da850.c
index 267a3d3e79f4..52f2674d5e89 100644
--- a/drivers/ata/ahci_da850.c
+++ b/drivers/ata/ahci_da850.c
@@ -54,11 +54,42 @@ static void da850_sata_init(struct device *dev, void __iomem *pwrdn_reg,
writel(val, ahci_base + SATA_P0PHYCR_REG);
}
+static int ahci_da850_softreset(struct ata_link *link,
+ unsigned int *class, unsigned long deadline)
+{
+ int pmp, ret;
+
+ pmp = sata_srst_pmp(link);
+
+ /*
+ * There's an issue with the SATA controller on da850 SoCs: if we
+ * enable Port Multiplier support, but the drive is connected directly
+ * to the board, it can't be detected. As a workaround: if PMP is
+ * enabled, we first call ahci_do_softreset() and pass it the result of
+ * sata_srst_pmp(). If this call fails, we retry with pmp = 0.
+ */
+ ret = ahci_do_softreset(link, class, pmp, deadline, ahci_check_ready);
+ if (pmp && ret == -EBUSY)
+ return ahci_do_softreset(link, class, 0,
+ deadline, ahci_check_ready);
+
+ return ret;
+}
+
+static struct ata_port_operations ahci_da850_port_ops = {
+ .inherits = &ahci_platform_ops,
+ .softreset = ahci_da850_softreset,
+ /*
+ * No need to override .pmp_softreset - it's only used for actual
+ * PMP-enabled ports.
+ */
+};
+
static const struct ata_port_info ahci_da850_port_info = {
.flags = AHCI_FLAG_COMMON,
.pio_mask = ATA_PIO4,
.udma_mask = ATA_UDMA6,
- .port_ops = &ahci_platform_ops,
+ .port_ops = &ahci_da850_port_ops,
};
static struct scsi_host_template ahci_platform_sht = {
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 0e1ec37070d1..6475a1343483 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2329,8 +2329,8 @@ static void ata_eh_link_autopsy(struct ata_link *link)
if (dev->flags & ATA_DFLAG_DUBIOUS_XFER)
eflags |= ATA_EFLAG_DUBIOUS_XFER;
ehc->i.action |= ata_eh_speed_down(dev, eflags, all_err_mask);
+ trace_ata_eh_link_autopsy(dev, ehc->i.action, all_err_mask);
}
- trace_ata_eh_link_autopsy(dev, ehc->i.action, all_err_mask);
DPRINTK("EXIT\n");
}
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 8e575fbdf31d..e3e10e8f6f6a 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -2971,10 +2971,12 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc)
static struct ata_device *ata_find_dev(struct ata_port *ap, int devno)
{
if (!sata_pmp_attached(ap)) {
- if (likely(devno < ata_link_max_devices(&ap->link)))
+ if (likely(devno >= 0 &&
+ devno < ata_link_max_devices(&ap->link)))
return &ap->link.device[devno];
} else {
- if (likely(devno < ap->nr_pmp_links))
+ if (likely(devno >= 0 &&
+ devno < ap->nr_pmp_links))
return &ap->pmp_link[devno].device[0];
}
diff --git a/drivers/ata/libata-transport.c b/drivers/ata/libata-transport.c
index 7ef16c085058..20e2b7ad8925 100644
--- a/drivers/ata/libata-transport.c
+++ b/drivers/ata/libata-transport.c
@@ -224,7 +224,6 @@ static DECLARE_TRANSPORT_CLASS(ata_port_class,
static void ata_tport_release(struct device *dev)
{
- put_device(dev->parent);
}
/**
@@ -284,7 +283,7 @@ int ata_tport_add(struct device *parent,
device_initialize(dev);
dev->type = &ata_port_type;
- dev->parent = get_device(parent);
+ dev->parent = parent;
dev->release = ata_tport_release;
dev_set_name(dev, "ata%d", ap->print_id);
transport_setup_device(dev);
@@ -348,7 +347,6 @@ static DECLARE_TRANSPORT_CLASS(ata_link_class,
static void ata_tlink_release(struct device *dev)
{
- put_device(dev->parent);
}
/**
@@ -410,7 +408,7 @@ int ata_tlink_add(struct ata_link *link)
int error;
device_initialize(dev);
- dev->parent = get_device(&ap->tdev);
+ dev->parent = &ap->tdev;
dev->release = ata_tlink_release;
if (ata_is_host_link(link))
dev_set_name(dev, "link%d", ap->print_id);
@@ -589,7 +587,6 @@ static DECLARE_TRANSPORT_CLASS(ata_dev_class,
static void ata_tdev_release(struct device *dev)
{
- put_device(dev->parent);
}
/**
@@ -662,7 +659,7 @@ static int ata_tdev_add(struct ata_device *ata_dev)
int error;
device_initialize(dev);
- dev->parent = get_device(&link->tdev);
+ dev->parent = &link->tdev;
dev->release = ata_tdev_release;
if (ata_is_host_link(link))
dev_set_name(dev, "dev%d.%d", ap->print_id,ata_dev->devno);
diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c
index 8d4d959a821c..8706533db57b 100644
--- a/drivers/ata/pata_amd.c
+++ b/drivers/ata/pata_amd.c
@@ -616,6 +616,7 @@ static const struct pci_device_id amd[] = {
{ PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE), 8 },
{ PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE), 8 },
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CS5536_IDE), 9 },
+ { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CS5536_DEV_IDE), 9 },
{ },
};
diff --git a/drivers/ata/pata_cs5536.c b/drivers/ata/pata_cs5536.c
index 6c15a554efbe..dc1255294628 100644
--- a/drivers/ata/pata_cs5536.c
+++ b/drivers/ata/pata_cs5536.c
@@ -289,6 +289,7 @@ static int cs5536_init_one(struct pci_dev *dev, const struct pci_device_id *id)
static const struct pci_device_id cs5536[] = {
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CS5536_IDE), },
+ { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CS5536_DEV_IDE), },
{ },
};
diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c
index 0636d84fbefe..f3f538eec7b3 100644
--- a/drivers/ata/sata_via.c
+++ b/drivers/ata/sata_via.c
@@ -644,14 +644,16 @@ static void svia_configure(struct pci_dev *pdev, int board_id,
pci_write_config_byte(pdev, SATA_NATIVE_MODE, tmp8);
}
- /* enable IRQ on hotplug */
- pci_read_config_byte(pdev, SVIA_MISC_3, &tmp8);
- if ((tmp8 & SATA_HOTPLUG) != SATA_HOTPLUG) {
- dev_dbg(&pdev->dev,
- "enabling SATA hotplug (0x%x)\n",
- (int) tmp8);
- tmp8 |= SATA_HOTPLUG;
- pci_write_config_byte(pdev, SVIA_MISC_3, tmp8);
+ if (board_id == vt6421) {
+ /* enable IRQ on hotplug */
+ pci_read_config_byte(pdev, SVIA_MISC_3, &tmp8);
+ if ((tmp8 & SATA_HOTPLUG) != SATA_HOTPLUG) {
+ dev_dbg(&pdev->dev,
+ "enabling SATA hotplug (0x%x)\n",
+ (int) tmp8);
+ tmp8 |= SATA_HOTPLUG;
+ pci_write_config_byte(pdev, SVIA_MISC_3, tmp8);
+ }
}
/*
generated by cgit v1.2.3 (git 2.0.4) at 2024-08-18 15:55:52 +0000