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libata: separate PMP support code from core code

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Most of PMP support code is already in libata-pmp.c.  All that are in
libata-core.c are sata_pmp_port_ops and EXPORTs.  Move them to
libata-pmp.c.  Also, collect PMP related prototypes and declarations
in header files and move them right above of SFF stuff.

This change is to make PMP support optional.

Signed-off-by: Tejun Heo <htejun@gmail.com>
This commit is contained in:
Tejun Heo 2008-04-07 22:47:21 +09:00 • committed by Jeff Garzik
parent 127102aea2
commit 48515f6c00
4 changed files with 27 additions and 25 deletions
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17
include/linux/libata.h
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@ -1026,12 +1026,6 @@ static inline int ata_acpi_cbl_80wire(struct ata_port *ap,
}
#endif
/*
* PMP - drivers/ata/libata-pmp.c
*/
extern int sata_pmp_qc_defer_cmd_switch(struct ata_queued_cmd *qc);
extern void sata_pmp_error_handler(struct ata_port *ap);
/*
* EH - drivers/ata/libata-eh.c
*/
@ -1075,7 +1069,6 @@ extern void ata_std_error_handler(struct ata_port *ap);
*/
extern const struct ata_port_operations ata_base_port_ops;
extern const struct ata_port_operations sata_port_ops;
extern const struct ata_port_operations sata_pmp_port_ops;
#define ATA_BASE_SHT(drv_name) \
.module = THIS_MODULE, \
@ -1352,6 +1345,16 @@ static inline struct ata_port *ata_shost_to_port(struct Scsi_Host *host)
return *(struct ata_port **)&host->hostdata[0];
}
/**************************************************************************
* PMP - drivers/ata/libata-pmp.c
*/
extern const struct ata_port_operations sata_pmp_port_ops;
extern int sata_pmp_qc_defer_cmd_switch(struct ata_queued_cmd *qc);
extern void sata_pmp_error_handler(struct ata_port *ap);
/**************************************************************************
* SFF - drivers/ata/libata-sff.c
*/