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path: root/drivers/ata/ahci.c
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Diffstat (limited to 'drivers/ata/ahci.c')
-rw-r--r--drivers/ata/ahci.c239
1 files changed, 72 insertions, 167 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 48616c6fee9d..6a3543e06241 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -39,13 +39,11 @@
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
-#include <linux/sched.h>
#include <linux/dma-mapping.h>
#include <linux/device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_cmnd.h>
#include <linux/libata.h>
-#include <asm/io.h>
#define DRV_NAME "ahci"
#define DRV_VERSION "2.0"
@@ -166,9 +164,6 @@ enum {
PORT_CMD_ICC_PARTIAL = (0x2 << 28), /* Put i/f in partial state */
PORT_CMD_ICC_SLUMBER = (0x6 << 28), /* Put i/f in slumber state */
- /* hpriv->flags bits */
- AHCI_FLAG_MSI = (1 << 0),
-
/* ap->flags bits */
AHCI_FLAG_NO_NCQ = (1 << 24),
AHCI_FLAG_IGN_IRQ_IF_ERR = (1 << 25), /* ignore IRQ_IF_ERR */
@@ -191,7 +186,6 @@ struct ahci_sg {
};
struct ahci_host_priv {
- unsigned long flags;
u32 cap; /* cache of HOST_CAP register */
u32 port_map; /* cache of HOST_PORTS_IMPL reg */
};
@@ -229,7 +223,6 @@ static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg);
static int ahci_port_resume(struct ata_port *ap);
static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
static int ahci_pci_device_resume(struct pci_dev *pdev);
-static void ahci_remove_one (struct pci_dev *pdev);
static struct scsi_host_template ahci_sht = {
.module = THIS_MODULE,
@@ -266,6 +259,8 @@ static const struct ata_port_operations ahci_ops = {
.irq_handler = ahci_interrupt,
.irq_clear = ahci_irq_clear,
+ .irq_on = ata_dummy_irq_on,
+ .irq_ack = ata_dummy_irq_ack,
.scr_read = ahci_scr_read,
.scr_write = ahci_scr_write,
@@ -297,6 +292,8 @@ static const struct ata_port_operations ahci_vt8251_ops = {
.irq_handler = ahci_interrupt,
.irq_clear = ahci_irq_clear,
+ .irq_on = ata_dummy_irq_on,
+ .irq_ack = ata_dummy_irq_ack,
.scr_read = ahci_scr_read,
.scr_write = ahci_scr_write,
@@ -431,7 +428,7 @@ static const struct pci_device_id ahci_pci_tbl[] = {
/* Generic, PCI class code for AHCI */
{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
- 0x010601, 0xffffff, board_ahci },
+ PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
{ } /* terminate list */
};
@@ -441,9 +438,9 @@ static struct pci_driver ahci_pci_driver = {
.name = DRV_NAME,
.id_table = ahci_pci_tbl,
.probe = ahci_init_one,
+ .remove = ata_pci_remove_one,
.suspend = ahci_pci_device_suspend,
.resume = ahci_pci_device_resume,
- .remove = ahci_remove_one,
};
@@ -452,16 +449,12 @@ static inline int ahci_nr_ports(u32 cap)
return (cap & 0x1f) + 1;
}
-static inline unsigned long ahci_port_base_ul (unsigned long base, unsigned int port)
+static inline void __iomem *ahci_port_base(void __iomem *base,
+ unsigned int port)
{
return base + 0x100 + (port * 0x80);
}
-static inline void __iomem *ahci_port_base (void __iomem *base, unsigned int port)
-{
- return (void __iomem *) ahci_port_base_ul((unsigned long)base, port);
-}
-
static u32 ahci_scr_read (struct ata_port *ap, unsigned int sc_reg_in)
{
unsigned int sc_reg;
@@ -475,7 +468,7 @@ static u32 ahci_scr_read (struct ata_port *ap, unsigned int sc_reg_in)
return 0xffffffffU;
}
- return readl((void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4));
+ return readl(ap->ioaddr.scr_addr + (sc_reg * 4));
}
@@ -493,7 +486,7 @@ static void ahci_scr_write (struct ata_port *ap, unsigned int sc_reg_in,
return;
}
- writel(val, (void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4));
+ writel(val, ap->ioaddr.scr_addr + (sc_reg * 4));
}
static void ahci_start_engine(void __iomem *port_mmio)
@@ -735,7 +728,7 @@ static void ahci_init_controller(void __iomem *mmio, struct pci_dev *pdev,
static unsigned int ahci_dev_classify(struct ata_port *ap)
{
- void __iomem *port_mmio = (void __iomem *) ap->ioaddr.cmd_addr;
+ void __iomem *port_mmio = ap->ioaddr.cmd_addr;
struct ata_taskfile tf;
u32 tmp;
@@ -763,7 +756,7 @@ static void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag,
static int ahci_clo(struct ata_port *ap)
{
- void __iomem *port_mmio = (void __iomem *) ap->ioaddr.cmd_addr;
+ void __iomem *port_mmio = ap->ioaddr.cmd_addr;
struct ahci_host_priv *hpriv = ap->host->private_data;
u32 tmp;
@@ -785,7 +778,7 @@ static int ahci_clo(struct ata_port *ap)
static int ahci_softreset(struct ata_port *ap, unsigned int *class)
{
struct ahci_port_priv *pp = ap->private_data;
- void __iomem *mmio = ap->host->mmio_base;
+ void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR];
void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
const u32 cmd_fis_len = 5; /* five dwords */
const char *reason = NULL;
@@ -893,7 +886,7 @@ static int ahci_hardreset(struct ata_port *ap, unsigned int *class)
struct ahci_port_priv *pp = ap->private_data;
u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
struct ata_taskfile tf;
- void __iomem *mmio = ap->host->mmio_base;
+ void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR];
void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
int rc;
@@ -921,7 +914,7 @@ static int ahci_hardreset(struct ata_port *ap, unsigned int *class)
static int ahci_vt8251_hardreset(struct ata_port *ap, unsigned int *class)
{
- void __iomem *mmio = ap->host->mmio_base;
+ void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR];
void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
int rc;
@@ -946,7 +939,7 @@ static int ahci_vt8251_hardreset(struct ata_port *ap, unsigned int *class)
static void ahci_postreset(struct ata_port *ap, unsigned int *class)
{
- void __iomem *port_mmio = (void __iomem *) ap->ioaddr.cmd_addr;
+ void __iomem *port_mmio = ap->ioaddr.cmd_addr;
u32 new_tmp, tmp;
ata_std_postreset(ap, class);
@@ -965,7 +958,7 @@ static void ahci_postreset(struct ata_port *ap, unsigned int *class)
static u8 ahci_check_status(struct ata_port *ap)
{
- void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr;
+ void __iomem *mmio = ap->ioaddr.cmd_addr;
return readl(mmio + PORT_TFDATA) & 0xFF;
}
@@ -1111,7 +1104,7 @@ static void ahci_error_intr(struct ata_port *ap, u32 irq_stat)
static void ahci_host_intr(struct ata_port *ap)
{
- void __iomem *mmio = ap->host->mmio_base;
+ void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR];
void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
struct ata_eh_info *ehi = &ap->eh_info;
struct ahci_port_priv *pp = ap->private_data;
@@ -1173,7 +1166,7 @@ static void ahci_host_intr(struct ata_port *ap)
* dangerous, we need to know more about them. Print
* more of it.
*/
- const u32 *f = pp->rx_fis + RX_FIS_SDB;
+ const __le32 *f = pp->rx_fis + RX_FIS_SDB;
ata_port_printk(ap, KERN_INFO, "Spurious SDB FIS during NCQ "
"issue=0x%x SAct=0x%x FIS=%08x:%08x%s\n",
@@ -1209,7 +1202,7 @@ static irqreturn_t ahci_interrupt(int irq, void *dev_instance)
VPRINTK("ENTER\n");
hpriv = host->private_data;
- mmio = host->mmio_base;
+ mmio = host->iomap[AHCI_PCI_BAR];
/* sigh. 0xffffffff is a valid return from h/w */
irq_stat = readl(mmio + HOST_IRQ_STAT);
@@ -1254,7 +1247,7 @@ static irqreturn_t ahci_interrupt(int irq, void *dev_instance)
static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
- void __iomem *port_mmio = (void __iomem *) ap->ioaddr.cmd_addr;
+ void __iomem *port_mmio = ap->ioaddr.cmd_addr;
if (qc->tf.protocol == ATA_PROT_NCQ)
writel(1 << qc->tag, port_mmio + PORT_SCR_ACT);
@@ -1266,7 +1259,7 @@ static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc)
static void ahci_freeze(struct ata_port *ap)
{
- void __iomem *mmio = ap->host->mmio_base;
+ void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR];
void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
/* turn IRQ off */
@@ -1275,7 +1268,7 @@ static void ahci_freeze(struct ata_port *ap)
static void ahci_thaw(struct ata_port *ap)
{
- void __iomem *mmio = ap->host->mmio_base;
+ void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR];
void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
u32 tmp;
@@ -1290,7 +1283,7 @@ static void ahci_thaw(struct ata_port *ap)
static void ahci_error_handler(struct ata_port *ap)
{
- void __iomem *mmio = ap->host->mmio_base;
+ void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR];
void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
if (!(ap->pflags & ATA_PFLAG_FROZEN)) {
@@ -1306,7 +1299,7 @@ static void ahci_error_handler(struct ata_port *ap)
static void ahci_vt8251_error_handler(struct ata_port *ap)
{
- void __iomem *mmio = ap->host->mmio_base;
+ void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR];
void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
if (!(ap->pflags & ATA_PFLAG_FROZEN)) {
@@ -1323,7 +1316,7 @@ static void ahci_vt8251_error_handler(struct ata_port *ap)
static void ahci_post_internal_cmd(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
- void __iomem *mmio = ap->host->mmio_base;
+ void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR];
void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
if (qc->flags & ATA_QCFLAG_FAILED)
@@ -1340,7 +1333,7 @@ static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg)
{
struct ahci_host_priv *hpriv = ap->host->private_data;
struct ahci_port_priv *pp = ap->private_data;
- void __iomem *mmio = ap->host->mmio_base;
+ void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR];
void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
const char *emsg = NULL;
int rc;
@@ -1361,7 +1354,7 @@ static int ahci_port_resume(struct ata_port *ap)
{
struct ahci_port_priv *pp = ap->private_data;
struct ahci_host_priv *hpriv = ap->host->private_data;
- void __iomem *mmio = ap->host->mmio_base;
+ void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR];
void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
ahci_power_up(port_mmio, hpriv->cap);
@@ -1373,7 +1366,7 @@ static int ahci_port_resume(struct ata_port *ap)
static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
{
struct ata_host *host = dev_get_drvdata(&pdev->dev);
- void __iomem *mmio = host->mmio_base;
+ void __iomem *mmio = host->iomap[AHCI_PCI_BAR];
u32 ctl;
if (mesg.event == PM_EVENT_SUSPEND) {
@@ -1394,10 +1387,12 @@ static int ahci_pci_device_resume(struct pci_dev *pdev)
{
struct ata_host *host = dev_get_drvdata(&pdev->dev);
struct ahci_host_priv *hpriv = host->private_data;
- void __iomem *mmio = host->mmio_base;
+ void __iomem *mmio = host->iomap[AHCI_PCI_BAR];
int rc;
- ata_pci_device_do_resume(pdev);
+ rc = ata_pci_device_do_resume(pdev);
+ if (rc)
+ return rc;
if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
rc = ahci_reset_controller(mmio, pdev);
@@ -1418,29 +1413,24 @@ static int ahci_port_start(struct ata_port *ap)
struct device *dev = ap->host->dev;
struct ahci_host_priv *hpriv = ap->host->private_data;
struct ahci_port_priv *pp;
- void __iomem *mmio = ap->host->mmio_base;
+ void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR];
void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
void *mem;
dma_addr_t mem_dma;
int rc;
- pp = kmalloc(sizeof(*pp), GFP_KERNEL);
+ pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL);
if (!pp)
return -ENOMEM;
- memset(pp, 0, sizeof(*pp));
rc = ata_pad_alloc(ap, dev);
- if (rc) {
- kfree(pp);
+ if (rc)
return rc;
- }
- mem = dma_alloc_coherent(dev, AHCI_PORT_PRIV_DMA_SZ, &mem_dma, GFP_KERNEL);
- if (!mem) {
- ata_pad_free(ap, dev);
- kfree(pp);
+ mem = dmam_alloc_coherent(dev, AHCI_PORT_PRIV_DMA_SZ, &mem_dma,
+ GFP_KERNEL);
+ if (!mem)
return -ENOMEM;
- }
memset(mem, 0, AHCI_PORT_PRIV_DMA_SZ);
/*
@@ -1482,10 +1472,8 @@ static int ahci_port_start(struct ata_port *ap)
static void ahci_port_stop(struct ata_port *ap)
{
- struct device *dev = ap->host->dev;
struct ahci_host_priv *hpriv = ap->host->private_data;
- struct ahci_port_priv *pp = ap->private_data;
- void __iomem *mmio = ap->host->mmio_base;
+ void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR];
void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
const char *emsg = NULL;
int rc;
@@ -1494,19 +1482,13 @@ static void ahci_port_stop(struct ata_port *ap)
rc = ahci_deinit_port(port_mmio, hpriv->cap, &emsg);
if (rc)
ata_port_printk(ap, KERN_WARNING, "%s (%d)\n", emsg, rc);
-
- ap->private_data = NULL;
- dma_free_coherent(dev, AHCI_PORT_PRIV_DMA_SZ,
- pp->cmd_slot, pp->cmd_slot_dma);
- ata_pad_free(ap, dev);
- kfree(pp);
}
-static void ahci_setup_port(struct ata_ioports *port, unsigned long base,
+static void ahci_setup_port(struct ata_ioports *port, void __iomem *base,
unsigned int port_idx)
{
VPRINTK("ENTER, base==0x%lx, port_idx %u\n", base, port_idx);
- base = ahci_port_base_ul(base, port_idx);
+ base = ahci_port_base(base, port_idx);
VPRINTK("base now==0x%lx\n", base);
port->cmd_addr = base;
@@ -1519,7 +1501,7 @@ static int ahci_host_init(struct ata_probe_ent *probe_ent)
{
struct ahci_host_priv *hpriv = probe_ent->private_data;
struct pci_dev *pdev = to_pci_dev(probe_ent->dev);
- void __iomem *mmio = probe_ent->mmio_base;
+ void __iomem *mmio = probe_ent->iomap[AHCI_PCI_BAR];
unsigned int i, cap_n_ports, using_dac;
int rc;
@@ -1586,7 +1568,7 @@ static int ahci_host_init(struct ata_probe_ent *probe_ent)
}
for (i = 0; i < probe_ent->n_ports; i++)
- ahci_setup_port(&probe_ent->port[i], (unsigned long) mmio, i);
+ ahci_setup_port(&probe_ent->port[i], mmio, i);
ahci_init_controller(mmio, pdev, probe_ent->n_ports,
probe_ent->port_flags, hpriv);
@@ -1600,7 +1582,7 @@ static void ahci_print_info(struct ata_probe_ent *probe_ent)
{
struct ahci_host_priv *hpriv = probe_ent->private_data;
struct pci_dev *pdev = to_pci_dev(probe_ent->dev);
- void __iomem *mmio = probe_ent->mmio_base;
+ void __iomem *mmio = probe_ent->iomap[AHCI_PCI_BAR];
u32 vers, cap, impl, speed;
const char *speed_s;
u16 cc;
@@ -1619,11 +1601,11 @@ static void ahci_print_info(struct ata_probe_ent *probe_ent)
speed_s = "?";
pci_read_config_word(pdev, 0x0a, &cc);
- if (cc == 0x0101)
+ if (cc == PCI_CLASS_STORAGE_IDE)
scc_s = "IDE";
- else if (cc == 0x0106)
+ else if (cc == PCI_CLASS_STORAGE_SATA)
scc_s = "SATA";
- else if (cc == 0x0104)
+ else if (cc == PCI_CLASS_STORAGE_RAID)
scc_s = "RAID";
else
scc_s = "unknown";
@@ -1667,15 +1649,13 @@ static void ahci_print_info(struct ata_probe_ent *probe_ent)
);
}
-static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
+static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
static int printed_version;
- struct ata_probe_ent *probe_ent = NULL;
- struct ahci_host_priv *hpriv;
- unsigned long base;
- void __iomem *mmio_base;
unsigned int board_idx = (unsigned int) ent->driver_data;
- int have_msi, pci_dev_busy = 0;
+ struct device *dev = &pdev->dev;
+ struct ata_probe_ent *probe_ent;
+ struct ahci_host_priv *hpriv;
int rc;
VPRINTK("ENTER\n");
@@ -1685,57 +1665,36 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
if (!printed_version++)
dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
- /* JMicron-specific fixup: make sure we're in AHCI mode */
- /* This is protected from races with ata_jmicron by the pci probe
- locking */
if (pdev->vendor == PCI_VENDOR_ID_JMICRON) {
- /* AHCI enable, AHCI on function 0 */
- pci_write_config_byte(pdev, 0x41, 0xa1);
- /* Function 1 is the PATA controller */
+ /* Function 1 is the PATA controller except on the 368, where
+ we are not AHCI anyway */
if (PCI_FUNC(pdev->devfn))
return -ENODEV;
}
- rc = pci_enable_device(pdev);
+ rc = pcim_enable_device(pdev);
if (rc)
return rc;
- rc = pci_request_regions(pdev, DRV_NAME);
- if (rc) {
- pci_dev_busy = 1;
- goto err_out;
- }
+ rc = pcim_iomap_regions(pdev, 1 << AHCI_PCI_BAR, DRV_NAME);
+ if (rc == -EBUSY)
+ pcim_pin_device(pdev);
+ if (rc)
+ return rc;
- if (pci_enable_msi(pdev) == 0)
- have_msi = 1;
- else {
+ if (pci_enable_msi(pdev))
pci_intx(pdev, 1);
- have_msi = 0;
- }
- probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL);
- if (probe_ent == NULL) {
- rc = -ENOMEM;
- goto err_out_msi;
- }
+ probe_ent = devm_kzalloc(dev, sizeof(*probe_ent), GFP_KERNEL);
+ if (probe_ent == NULL)
+ return -ENOMEM;
- memset(probe_ent, 0, sizeof(*probe_ent));
probe_ent->dev = pci_dev_to_dev(pdev);
INIT_LIST_HEAD(&probe_ent->node);
- mmio_base = pci_iomap(pdev, AHCI_PCI_BAR, 0);
- if (mmio_base == NULL) {
- rc = -ENOMEM;
- goto err_out_free_ent;
- }
- base = (unsigned long) mmio_base;
-
- hpriv = kmalloc(sizeof(*hpriv), GFP_KERNEL);
- if (!hpriv) {
- rc = -ENOMEM;
- goto err_out_iounmap;
- }
- memset(hpriv, 0, sizeof(*hpriv));
+ hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
+ if (!hpriv)
+ return -ENOMEM;
probe_ent->sht = ahci_port_info[board_idx].sht;
probe_ent->port_flags = ahci_port_info[board_idx].flags;
@@ -1745,16 +1704,13 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
probe_ent->irq = pdev->irq;
probe_ent->irq_flags = IRQF_SHARED;
- probe_ent->mmio_base = mmio_base;
+ probe_ent->iomap = pcim_iomap_table(pdev);
probe_ent->private_data = hpriv;
- if (have_msi)
- hpriv->flags |= AHCI_FLAG_MSI;
-
/* initialize adapter */
rc = ahci_host_init(probe_ent);
if (rc)
- goto err_out_hpriv;
+ return rc;
if (!(probe_ent->port_flags & AHCI_FLAG_NO_NCQ) &&
(hpriv->cap & HOST_CAP_NCQ))
@@ -1762,62 +1718,11 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
ahci_print_info(probe_ent);
- /* FIXME: check ata_device_add return value */
- ata_device_add(probe_ent);
- kfree(probe_ent);
+ if (!ata_device_add(probe_ent))
+ return -ENODEV;
+ devm_kfree(dev, probe_ent);
return 0;
-
-err_out_hpriv:
- kfree(hpriv);
-err_out_iounmap:
- pci_iounmap(pdev, mmio_base);
-err_out_free_ent:
- kfree(probe_ent);
-err_out_msi:
- if (have_msi)
- pci_disable_msi(pdev);
- else
- pci_intx(pdev, 0);
- pci_release_regions(pdev);
-err_out:
- if (!pci_dev_busy)
- pci_disable_device(pdev);
- return rc;
-}
-
-static void ahci_remove_one (struct pci_dev *pdev)
-{
- struct device *dev = pci_dev_to_dev(pdev);
- struct ata_host *host = dev_get_drvdata(dev);
- struct ahci_host_priv *hpriv = host->private_data;
- unsigned int i;
- int have_msi;
-
- for (i = 0; i < host->n_ports; i++)
- ata_port_detach(host->ports[i]);
-
- have_msi = hpriv->flags & AHCI_FLAG_MSI;
- free_irq(host->irq, host);
-
- for (i = 0; i < host->n_ports; i++) {
- struct ata_port *ap = host->ports[i];
-
- ata_scsi_release(ap->scsi_host);
- scsi_host_put(ap->scsi_host);
- }
-
- kfree(hpriv);
- pci_iounmap(pdev, host->mmio_base);
- kfree(host);
-
- if (have_msi)
- pci_disable_msi(pdev);
- else
- pci_intx(pdev, 0);
- pci_release_regions(pdev);
- pci_disable_device(pdev);
- dev_set_drvdata(dev, NULL);
}
static int __init ahci_init(void)
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 20:41:22 +0000