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libata: separate out ata_host_start()

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Separate out ata_host_start() from ata_device_add().  ata_host_start()
calls ->port_start on each port if available and freezes the port.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Tejun Heo
2007-04-17 23:44:06 +09:00
committed by Jeff Garzik
parent 4911487a34
commit ecef725323
2 changed files with 63 additions and 13 deletions
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2
include/linux/libata.h
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@@ -210,6 +210,7 @@ enum {
/* host set flags */
ATA_HOST_SIMPLEX = (1 << 0), /* Host is simplex, one DMA channel per host only */
ATA_HOST_STARTED = (1 << 1), /* Host started */
/* various lengths of time */
ATA_TMOUT_BOOT = 30 * HZ, /* heuristic */
@@ -732,6 +733,7 @@ extern int ata_pci_device_resume(struct pci_dev *pdev);
#endif
extern int ata_pci_clear_simplex(struct pci_dev *pdev);
#endif /* CONFIG_PCI */
extern int ata_host_start(struct ata_host *host);
extern int ata_device_add(const struct ata_probe_ent *ent);
extern void ata_host_detach(struct ata_host *host);
extern void ata_host_init(struct ata_host *, struct device *,