diff options
| author |   Viswas G <Viswas.G@microchip.com> | 2021-04-15 16:03:52 +0530 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2021-04-15 22:29:00 -0400 |
| commit | 1f02beff224e6176c1a0aacced7fb5127b240996 (patch) | |
| tree | 6c5cb5116e01a1b64486860da57c0f070e658464 /drivers/scsi/pm8001/pm80xx_hwi.c | |
| parent | scsi: pm80xx: Reset PI and CI memory during re-initialization (diff) | |
| download | linux-dev-1f02beff224e6176c1a0aacced7fb5127b240996.tar.xz linux-dev-1f02beff224e6176c1a0aacced7fb5127b240996.zip | |
scsi: pm80xx: Remove global lock from outbound queue processing
Introduce spin lock for outbound queue. With this, driver need not acquire
HBA global lock for outbound queue processing.
Link: https://lore.kernel.org/r/20210415103352.3580-9-Viswas.G@microchip.com
Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Viswas G <Viswas.G@microchip.com>
Signed-off-by: Ruksar Devadi <Ruksar.devadi@microchip.com>
Signed-off-by: Ashokkumar N <Ashokkumar.N@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/pm8001/pm80xx_hwi.c')
| -rw-r--r-- | drivers/scsi/pm8001/pm80xx_hwi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 771490223f87..4e980830f9f5 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -4133,8 +4133,8 @@ static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec) return ret; } } - spin_lock_irqsave(&pm8001_ha->lock, flags); circularQ = &pm8001_ha->outbnd_q_tbl[vec]; + spin_lock_irqsave(&circularQ->oq_lock, flags); do { /* spurious interrupt during setup if kexec-ing and * driver doing a doorbell access w/ the pre-kexec oq @@ -4160,7 +4160,7 @@ static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec) break; } } while (1); - spin_unlock_irqrestore(&pm8001_ha->lock, flags); + spin_unlock_irqrestore(&circularQ->oq_lock, flags); return ret; } |