diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-08-09 12:46:45 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-08-09 12:46:49 +0200 |
commit | e3560336be655c6791316482fe288b119f34c427 (patch) | |
tree | 43ca9a6b489aaa3918b773f78a7eda37458ef0a8 /drivers/scsi/libsas/sas_port.c | |
parent | 26528e773ecc74fb1b61b7275f86f761cbb340ec (diff) | |
parent | 7b2aa037e878c939676675969983284a02958ae3 (diff) |
Merge branch 'linus' into tracing/urgent
Merge reason: Merge up to almost-rc6 to pick up latest perfcounters
(on which we'll queue up a dependent fix)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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", |