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authorDan Williams <dan.j.williams@intel.com>2011-11-17 17:59:49 -0800
committerJames Bottomley <JBottomley@Parallels.com>2012-02-19 13:41:04 -0600
commitb15ebe0b5d0b95aeb1d84cae3649df1e0e065e9b (patch)
treeff93ad5f8be5fe91c7e6cf4963253491ddd058fb /drivers/scsi/libsas/sas_port.c
parent756f173fb5fa90ec15222e80fb579288be7794fd (diff)
[SCSI] libsas: replace event locks with atomic bitops
The locks only served to make sure the pending event bitmask was updated consistently. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/libsas/sas_port.c')
-rw-r--r--drivers/scsi/libsas/sas_port.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c
index 42fd1f25b66..a47c7a75327 100644
--- a/drivers/scsi/libsas/sas_port.c
+++ b/drivers/scsi/libsas/sas_port.c
@@ -213,8 +213,7 @@ void sas_porte_bytes_dmaed(struct work_struct *work)
container_of(work, struct asd_sas_event, work);
struct asd_sas_phy *phy = ev->phy;
- sas_begin_event(PORTE_BYTES_DMAED, &phy->ha->event_lock,
- &phy->port_events_pending);
+ clear_bit(PORTE_BYTES_DMAED, &phy->port_events_pending);
sas_form_port(phy);
}
@@ -227,8 +226,7 @@ void sas_porte_broadcast_rcvd(struct work_struct *work)
unsigned long flags;
u32 prim;
- sas_begin_event(PORTE_BROADCAST_RCVD, &phy->ha->event_lock,
- &phy->port_events_pending);
+ clear_bit(PORTE_BROADCAST_RCVD, &phy->port_events_pending);
spin_lock_irqsave(&phy->sas_prim_lock, flags);
prim = phy->sas_prim;
@@ -244,8 +242,7 @@ void sas_porte_link_reset_err(struct work_struct *work)
container_of(work, struct asd_sas_event, work);
struct asd_sas_phy *phy = ev->phy;
- sas_begin_event(PORTE_LINK_RESET_ERR, &phy->ha->event_lock,
- &phy->port_events_pending);
+ clear_bit(PORTE_LINK_RESET_ERR, &phy->port_events_pending);
sas_deform_port(phy, 1);
}
@@ -256,8 +253,7 @@ void sas_porte_timer_event(struct work_struct *work)
container_of(work, struct asd_sas_event, work);
struct asd_sas_phy *phy = ev->phy;
- sas_begin_event(PORTE_TIMER_EVENT, &phy->ha->event_lock,
- &phy->port_events_pending);
+ clear_bit(PORTE_TIMER_EVENT, &phy->port_events_pending);
sas_deform_port(phy, 1);
}
@@ -268,8 +264,7 @@ void sas_porte_hard_reset(struct work_struct *work)
container_of(work, struct asd_sas_event, work);
struct asd_sas_phy *phy = ev->phy;
- sas_begin_event(PORTE_HARD_RESET, &phy->ha->event_lock,
- &phy->port_events_pending);
+ clear_bit(PORTE_HARD_RESET, &phy->port_events_pending);
sas_deform_port(phy, 1);
}