a7y18lte-ubports/android_kernel_samsung_universal7885
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[SCSI] libsas: drop sata port multiplier infrastructure

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On the way to add a new sata_device field, noticed that libsas is
carrying port multiplier infrastructure that is explicitly disabled by
sas_discover_sata().  The aic94xx touches the unused port_no, so leave
that field in case there was some use for it.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Dan Williams 2012-06-21 23:36:25 -07:00 committed by James Bottomley
parent b17caa174a
commit a494fd5bd9
2 changed files with 0 additions and 7 deletions
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6
drivers/scsi/libsas/sas_discover.c
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@ -46,12 +46,6 @@ void sas_init_dev(struct domain_device *dev)
INIT_LIST_HEAD(&dev->ex_dev.children); INIT_LIST_HEAD(&dev->ex_dev.children);
mutex_init(&dev->ex_dev.cmd_mutex); mutex_init(&dev->ex_dev.cmd_mutex);
break; break;
case SATA_DEV:
case SATA_PM:
case SATA_PM_PORT:
case SATA_PENDING:
INIT_LIST_HEAD(&dev->sata_dev.children);
break;
default: default:
break; break;
} }

1
include/scsi/libsas.h
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@ -169,7 +169,6 @@ struct sata_device {
enum ata_command_set command_set; enum ata_command_set command_set;
struct smp_resp rps_resp; /* report_phy_sata_resp */ struct smp_resp rps_resp; /* report_phy_sata_resp */
u8 port_no; /* port number, if this is a PM (Port) */ u8 port_no; /* port number, if this is a PM (Port) */
struct list_head children; /* PM Ports if this is a PM */
struct ata_port *ap; struct ata_port *ap;
struct ata_host ata_host; struct ata_host ata_host;