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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-09-12 12:04:37 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-12 12:04:37 +0100 |
| commit | 87d721ad7a37b7650dd710c88dd5c6a5bf9fe996 (patch) | |
| tree | 869d633803eb7c429624d3bd16a6117816849763 /drivers/scsi/libsas/sas_port.c | |
| parent | ddd559b13f6d2fe3ad68c4b3f5235fd3c2eae4e3 (diff) | |
| parent | b7cfda9fc3d7aa60cffab5367f2a72a4a70060cd (diff) | |
| download | kernel-crypto-87d721ad7a37b7650dd710c88dd5c6a5bf9fe996.tar.gz kernel-crypto-87d721ad7a37b7650dd710c88dd5c6a5bf9fe996.tar.xz kernel-crypto-87d721ad7a37b7650dd710c88dd5c6a5bf9fe996.zip | |
Merge branch 'master' into devel
Diffstat (limited to 'drivers/scsi/libsas/sas_port.c')
| -rw-r--r-- | drivers/scsi/libsas/sas_port.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c index e6ac59c023f..fe8b74c706d 100644 --- a/drivers/scsi/libsas/sas_port.c +++ b/drivers/scsi/libsas/sas_port.c @@ -56,7 +56,7 @@ static void sas_form_port(struct asd_sas_phy *phy) } } - /* find a port */ + /* see if the phy should be part of a wide port */ spin_lock_irqsave(&sas_ha->phy_port_lock, flags); for (i = 0; i < sas_ha->num_phys; i++) { port = sas_ha->sas_port[i]; @@ -69,12 +69,23 @@ static void sas_form_port(struct asd_sas_phy *phy) SAS_DPRINTK("phy%d matched wide port%d\n", phy->id, port->id); break; - } else if (*(u64 *) port->sas_addr == 0 && port->num_phys==0) { - memcpy(port->sas_addr, phy->sas_addr, SAS_ADDR_SIZE); - break; } spin_unlock(&port->phy_list_lock); } + /* The phy does not match any existing port, create a new one */ + if (i == sas_ha->num_phys) { + for (i = 0; i < sas_ha->num_phys; i++) { + port = sas_ha->sas_port[i]; + spin_lock(&port->phy_list_lock); + if (*(u64 *)port->sas_addr == 0 + && port->num_phys == 0) { + memcpy(port->sas_addr, phy->sas_addr, + SAS_ADDR_SIZE); + break; + } + spin_unlock(&port->phy_list_lock); + } + } if (i >= sas_ha->num_phys) { printk(KERN_NOTICE "%s: couldn't find a free port, bug?\n", |