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[SCSI] libsas: make ATA functions selectable by a config option

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Not everyone wants libsas automatically to pull in libata.  This patch
makes the behaviour configurable, so you can build libsas with or
without ATA support.

Signed-off-by: James Bottomley <[email protected]>
This commit is contained in:
James Bottomley 2007-07-22 13:15:55 -05:00 • committed by James Bottomley
commit b91421749a
6 changed files with 436 additions and 397 deletions
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19
include/scsi/sas_ata.h
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@ -28,6 +28,8 @@
#include <linux/libata.h>
#include <scsi/libsas.h>
#ifdef CONFIG_SCSI_SAS_ATA
static inline int dev_is_sata(struct domain_device *dev)
{
return (dev->rphy->identify.target_port_protocols & SAS_PROTOCOL_SATA);
@ -38,4 +40,21 @@ int sas_ata_init_host_and_port(struct domain_device *found_dev,
void sas_ata_task_abort(struct sas_task *task);
#else
static inline int dev_is_sata(struct domain_device *dev)
{
return 0;
}
int sas_ata_init_host_and_port(struct domain_device *found_dev,
struct scsi_target *starget)
{
return 0;
}
void sas_ata_task_abort(struct sas_task *task)
{
}
#endif
#endif /* _SAS_ATA_H_ */