From 980fa2f9d64b9be96107c89e165953ace311af54 Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Thu, 11 Jan 2007 14:15:40 -0800 Subject: [SCSI] libsas: phy port lock needs irq spinlocks Convert the phy port locks to use irq spinlocks. Signed-off-by: Darrick J. Wong Signed-off-by: James Bottomley --- drivers/scsi/libsas/sas_port.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) (limited to 'drivers/scsi/libsas/sas_port.c') diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c index 971c37c..a796ae3 100644 --- a/drivers/scsi/libsas/sas_port.c +++ b/drivers/scsi/libsas/sas_port.c @@ -42,6 +42,7 @@ static void sas_form_port(struct asd_sas_phy *phy) struct asd_sas_port *port = phy->port; struct sas_internal *si = to_sas_internal(sas_ha->core.shost->transportt); + unsigned long flags; if (port) { if (memcmp(port->attached_sas_addr, phy->attached_sas_addr, @@ -56,7 +57,7 @@ static void sas_form_port(struct asd_sas_phy *phy) } /* find a port */ - spin_lock(&sas_ha->phy_port_lock); + spin_lock_irqsave(&sas_ha->phy_port_lock, flags); for (i = 0; i < sas_ha->num_phys; i++) { port = sas_ha->sas_port[i]; spin_lock(&port->phy_list_lock); @@ -78,7 +79,7 @@ static void sas_form_port(struct asd_sas_phy *phy) if (i >= sas_ha->num_phys) { printk(KERN_NOTICE "%s: couldn't find a free port, bug?\n", __FUNCTION__); - spin_unlock(&sas_ha->phy_port_lock); + spin_unlock_irqrestore(&sas_ha->phy_port_lock, flags); return; } @@ -105,7 +106,7 @@ static void sas_form_port(struct asd_sas_phy *phy) } else port->linkrate = max(port->linkrate, phy->linkrate); spin_unlock(&port->phy_list_lock); - spin_unlock(&sas_ha->phy_port_lock); + spin_unlock_irqrestore(&sas_ha->phy_port_lock, flags); if (!port->port) { port->port = sas_port_alloc(phy->phy->dev.parent, port->id); @@ -137,6 +138,7 @@ void sas_deform_port(struct asd_sas_phy *phy) struct asd_sas_port *port = phy->port; struct sas_internal *si = to_sas_internal(sas_ha->core.shost->transportt); + unsigned long flags; if (!port) return; /* done by a phy event */ @@ -155,7 +157,7 @@ void sas_deform_port(struct asd_sas_phy *phy) if (si->dft->lldd_port_deformed) si->dft->lldd_port_deformed(phy); - spin_lock(&sas_ha->phy_port_lock); + spin_lock_irqsave(&sas_ha->phy_port_lock, flags); spin_lock(&port->phy_list_lock); list_del_init(&phy->port_phy_el); @@ -174,7 +176,7 @@ void sas_deform_port(struct asd_sas_phy *phy) port->phy_mask = 0; } spin_unlock(&port->phy_list_lock); - spin_unlock(&sas_ha->phy_port_lock); + spin_unlock_irqrestore(&sas_ha->phy_port_lock, flags); return; } -- cgit v1.1