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libata: factor out ata_pci_activate_sff_host() from ata_pci_one()

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Factor out ata_pci_activate_sff_host() from ata_pci_one().  This does
about the same thing as ata_host_activate() but needs to be separate
because SFF controllers use different and multiple IRQs in legacy
mode.

This will be used to make SFF LLD initialization more flexible.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Tejun Heo 2008-01-18 18:36:28 +09:00 • committed by Jeff Garzik
commit 4e6b79fa61
3 changed files with 107 additions and 84 deletions
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3
include/linux/libata.h
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@ -1033,6 +1033,9 @@ extern int ata_pci_init_bmdma(struct ata_host *host);
extern int ata_pci_prepare_sff_host(struct pci_dev *pdev,
const struct ata_port_info * const * ppi,
struct ata_host **r_host);
extern int ata_pci_activate_sff_host(struct ata_host *host,
irq_handler_t irq_handler,
struct scsi_host_template *sht);
extern int pci_test_config_bits(struct pci_dev *pdev, const struct pci_bits *bits);
extern unsigned long ata_pci_default_filter(struct ata_device *dev,
unsigned long xfer_mask);