Commit 58e9907e authored by Linus Torvalds's avatar Linus Torvalds

Merge bk://kernel.bkbits.net/jgarzik/libata-2.5

into home.osdl.org:/home/torvalds/v2.5/linux
parents 76cab5cd 5ee85162
......@@ -117,6 +117,9 @@ static struct ata_port_operations piix_pata_ops = {
.eng_timeout = ata_eng_timeout,
.irq_handler = ata_interrupt,
.port_start = ata_port_start,
.port_stop = ata_port_stop,
};
static struct ata_port_operations piix_sata_ops = {
......@@ -137,6 +140,9 @@ static struct ata_port_operations piix_sata_ops = {
.eng_timeout = ata_eng_timeout,
.irq_handler = ata_interrupt,
.port_start = ata_port_start,
.port_stop = ata_port_stop,
};
static struct ata_port_info piix_port_info[] = {
......
......@@ -1058,10 +1058,12 @@ void sata_phy_reset(struct ata_port *ap)
u32 sstatus;
unsigned long timeout = jiffies + (HZ * 5);
if (ap->flags & ATA_FLAG_SATA_RESET) {
scr_write(ap, SCR_CONTROL, 0x301); /* issue phy wake/reset */
scr_read(ap, SCR_CONTROL); /* dummy read; flush */
scr_read(ap, SCR_STATUS); /* dummy read; flush */
udelay(400); /* FIXME: a guess */
scr_write(ap, SCR_CONTROL, 0x300); /* issue phy wake/reset */
}
scr_write(ap, SCR_CONTROL, 0x300); /* issue phy wake/clear reset */
/* wait for phy to become ready, if necessary */
do {
......@@ -1084,6 +1086,11 @@ void sata_phy_reset(struct ata_port *ap)
if (ap->flags & ATA_FLAG_PORT_DISABLED)
return;
if (ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT)) {
ata_port_disable(ap);
return;
}
ata_bus_reset(ap);
}
......@@ -1337,9 +1344,13 @@ void ata_bus_reset(struct ata_port *ap)
outb(ap->ctl, ioaddr->ctl_addr);
/* determine if device 0/1 are present */
if (ap->flags & ATA_FLAG_SATA_RESET)
dev0 = 1;
else {
dev0 = ata_dev_devchk(ap, 0);
if (slave_possible)
dev1 = ata_dev_devchk(ap, 1);
}
if (dev0)
devmask |= (1 << 0);
......@@ -2569,6 +2580,7 @@ static int ata_thread (void *data)
printk(KERN_DEBUG "ata%u: thread exiting\n", ap->id);
ap->thr_pid = -1;
del_timer_sync(&ap->thr_timer);
complete_and_exit (&ap->thr_exited, 0);
}
......@@ -2664,6 +2676,26 @@ static void atapi_cdb_send(struct ata_port *ap)
goto out;
}
int ata_port_start (struct ata_port *ap)
{
struct pci_dev *pdev = ap->host_set->pdev;
ap->prd = pci_alloc_consistent(pdev, ATA_PRD_TBL_SZ, &ap->prd_dma);
if (!ap->prd)
return -ENOMEM;
DPRINTK("prd alloc, virt %p, dma %x\n", ap->prd, ap->prd_dma);
return 0;
}
void ata_port_stop (struct ata_port *ap)
{
struct pci_dev *pdev = ap->host_set->pdev;
pci_free_consistent(pdev, ATA_PRD_TBL_SZ, ap->prd, ap->prd_dma);
}
/**
* ata_host_remove -
* @ap:
......@@ -2683,7 +2715,7 @@ static void ata_host_remove(struct ata_port *ap, unsigned int do_unregister)
ata_thread_kill(ap); /* FIXME: check return val */
pci_free_consistent(ap->host_set->pdev, ATA_PRD_TBL_SZ, ap->prd, ap->prd_dma);
ap->ops->port_stop(ap);
}
/**
......@@ -2764,9 +2796,9 @@ static struct ata_port * ata_host_add(struct ata_probe_ent *ent,
struct ata_host_set *host_set,
unsigned int port_no)
{
struct pci_dev *pdev = ent->pdev;
struct Scsi_Host *host;
struct ata_port *ap;
int rc;
DPRINTK("ENTER\n");
host = scsi_host_alloc(ent->sht, sizeof(struct ata_port));
......@@ -2777,10 +2809,9 @@ static struct ata_port * ata_host_add(struct ata_probe_ent *ent,
ata_host_init(ap, host, host_set, ent, port_no);
ap->prd = pci_alloc_consistent(pdev, ATA_PRD_TBL_SZ, &ap->prd_dma);
if (!ap->prd)
rc = ap->ops->port_start(ap);
if (rc)
goto err_out;
DPRINTK("prd alloc, virt %p, dma %x\n", ap->prd, ap->prd_dma);
ap->thr_pid = kernel_thread(ata_thread, ap, CLONE_FS | CLONE_FILES);
if (ap->thr_pid < 0) {
......@@ -2792,7 +2823,7 @@ static struct ata_port * ata_host_add(struct ata_probe_ent *ent,
return ap;
err_out_free:
pci_free_consistent(ap->host_set->pdev, ATA_PRD_TBL_SZ, ap->prd, ap->prd_dma);
ap->ops->port_stop(ap);
err_out:
scsi_host_put(host);
......@@ -2828,6 +2859,7 @@ int ata_device_add(struct ata_probe_ent *ent)
host_set->n_ports = ent->n_ports;
host_set->irq = ent->irq;
host_set->mmio_base = ent->mmio_base;
host_set->private_data = ent->private_data;
/* register each port bound to this device */
for (i = 0; i < ent->n_ports; i++) {
......@@ -3170,6 +3202,8 @@ void ata_pci_remove_one (struct pci_dev *pdev)
free_irq(host_set->irq, host_set);
if (host_set->mmio_base)
iounmap(host_set->mmio_base);
if (host_set->ports[0]->ops->host_stop)
host_set->ports[0]->ops->host_stop(host_set);
for (i = 0; i < host_set->n_ports; i++) {
Scsi_Host_Template *sht;
......@@ -3274,6 +3308,8 @@ EXPORT_SYMBOL_GPL(ata_check_status_pio);
EXPORT_SYMBOL_GPL(ata_check_status_mmio);
EXPORT_SYMBOL_GPL(ata_exec_command_pio);
EXPORT_SYMBOL_GPL(ata_exec_command_mmio);
EXPORT_SYMBOL_GPL(ata_port_start);
EXPORT_SYMBOL_GPL(ata_port_stop);
EXPORT_SYMBOL_GPL(ata_interrupt);
EXPORT_SYMBOL_GPL(ata_fill_sg);
EXPORT_SYMBOL_GPL(ata_bmdma_start_pio);
......
This diff is collapsed.
......@@ -106,6 +106,8 @@ static struct ata_port_operations sil_ops = {
.irq_handler = ata_interrupt,
.scr_read = sil_scr_read,
.scr_write = sil_scr_write,
.port_start = ata_port_start,
.port_stop = ata_port_stop,
};
static struct ata_port_info sil_port_info[] = {
......
......@@ -235,6 +235,8 @@ static struct ata_port_operations k2_sata_ops = {
.irq_handler = ata_interrupt,
.scr_read = k2_sata_scr_read,
.scr_write = k2_sata_scr_write,
.port_start = ata_port_start,
.port_stop = ata_port_stop,
};
......
......@@ -98,6 +98,9 @@ static struct ata_port_operations svia_sata_ops = {
.eng_timeout = ata_eng_timeout,
.irq_handler = ata_interrupt,
.port_start = ata_port_start,
.port_stop = ata_port_stop,
};
static struct ata_port_info svia_port_info[] = {
......
......@@ -207,6 +207,7 @@ struct ata_probe_ent {
unsigned int irq_flags;
unsigned long host_flags;
void *mmio_base;
void *private_data;
};
struct ata_host_set {
......@@ -215,6 +216,7 @@ struct ata_host_set {
unsigned long irq;
void *mmio_base;
unsigned int n_ports;
void *private_data;
struct ata_port * ports[0];
};
......@@ -264,6 +266,8 @@ struct ata_queued_cmd {
ata_qc_cb_t callback;
struct semaphore sem;
void *private_data;
};
struct ata_host_stats {
......@@ -333,6 +337,8 @@ struct ata_port {
struct semaphore thr_sem;
struct timer_list thr_timer;
unsigned long thr_timeout;
void *private_data;
};
struct ata_port_operations {
......@@ -363,6 +369,11 @@ struct ata_port_operations {
u32 (*scr_read) (struct ata_port *ap, unsigned int sc_reg);
void (*scr_write) (struct ata_port *ap, unsigned int sc_reg,
u32 val);
int (*port_start) (struct ata_port *ap);
void (*port_stop) (struct ata_port *ap);
void (*host_stop) (struct ata_host_set *host_set);
};
struct ata_port_info {
......@@ -406,6 +417,8 @@ extern u8 ata_check_status_pio(struct ata_port *ap);
extern u8 ata_check_status_mmio(struct ata_port *ap);
extern void ata_exec_command_pio(struct ata_port *ap, struct ata_taskfile *tf);
extern void ata_exec_command_mmio(struct ata_port *ap, struct ata_taskfile *tf);
extern int ata_port_start (struct ata_port *ap);
extern void ata_port_stop (struct ata_port *ap);
extern irqreturn_t ata_interrupt (int irq, void *dev_instance, struct pt_regs *regs);
extern void ata_fill_sg(struct ata_queued_cmd *qc);
extern void ata_bmdma_start_mmio (struct ata_queued_cmd *qc);
......
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