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authorViswas G <Viswas.G@microchip.com>2021-04-15 12:33:52 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2021-04-16 04:29:00 +0200
commit1f02beff224e6176c1a0aacced7fb5127b240996 (patch)
tree6c5cb5116e01a1b64486860da57c0f070e658464 /drivers/scsi/pm8001/pm8001_sas.h
parentscsi: pm80xx: Reset PI and CI memory during re-initialization (diff)
downloadlinux-1f02beff224e6176c1a0aacced7fb5127b240996.tar.xz
linux-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/pm8001_sas.h')
-rw-r--r--drivers/scsi/pm8001/pm8001_sas.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h
index b5562f7fc7e5..62d08b535a4b 100644
--- a/drivers/scsi/pm8001/pm8001_sas.h
+++ b/drivers/scsi/pm8001/pm8001_sas.h
@@ -456,6 +456,7 @@ struct outbound_queue_table {
u32 dinterrup_to_pci_offset;
__le32 producer_index;
u32 consumer_idx;
+ spinlock_t oq_lock;
};
struct pm8001_hba_memspace {
void __iomem *memvirtaddr;