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| author | Ching Huang <ching2048@areca.com.tw> | 2017-12-05 02:57:23 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-12-07 01:32:41 +0100 |
| commit | 5dd8b3e7a0bf0b8203e58b2684bb51c612e70fb2 (patch) | |
| tree | 91a480a61f96c826d9d09a2dfa70c4f20b0a32f5 /drivers/scsi/arcmsr | |
| parent | scsi: arcmsr: Add driver option cmd_per_lun (diff) | |
| download | linux-5dd8b3e7a0bf0b8203e58b2684bb51c612e70fb2.tar.xz linux-5dd8b3e7a0bf0b8203e58b2684bb51c612e70fb2.zip | |
scsi: arcmsr: Add ACB_F_MSG_GET_CONFIG to acb->acb_flags
Add ACB_F_MSG_GET_CONFIG to acb->acb_flags for for message interrupt
checking before schedule work for get device map.
Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/arcmsr')
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr_hba.c | 21 |
2 files changed, 17 insertions, 5 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h index 5b0b645afa41..1cde98f0c52b 100644 --- a/drivers/scsi/arcmsr/arcmsr.h +++ b/drivers/scsi/arcmsr/arcmsr.h @@ -782,6 +782,7 @@ struct AdapterControlBlock /* iop init */ #define ACB_F_ABORT 0x0200 #define ACB_F_FIRMWARE_TRAP 0x0400 + #define ACB_F_MSG_GET_CONFIG 0x1000 struct CommandControlBlock * pccb_pool[ARCMSR_MAX_FREECCB_NUM]; /* used for memory free */ struct list_head ccb_free_list; diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 82fa2990a224..750d1e9af0c6 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -743,6 +743,7 @@ static void arcmsr_message_isr_bh_fn(struct work_struct *work) struct scsi_device *psdev; char diff, temp; + acb->acb_flags &= ~ACB_F_MSG_GET_CONFIG; switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { struct MessageUnit_A __iomem *reg = acb->pmuA; @@ -2328,7 +2329,8 @@ static void arcmsr_hbaA_message_isr(struct AdapterControlBlock *acb) struct MessageUnit_A __iomem *reg = acb->pmuA; /*clear interrupt and message state*/ writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT, ®->outbound_intstatus); - schedule_work(&acb->arcmsr_do_message_isr_bh); + if (acb->acb_flags & ACB_F_MSG_GET_CONFIG) + schedule_work(&acb->arcmsr_do_message_isr_bh); } static void arcmsr_hbaB_message_isr(struct AdapterControlBlock *acb) { @@ -2336,7 +2338,8 @@ static void arcmsr_hbaB_message_isr(struct AdapterControlBlock *acb) /*clear interrupt and message state*/ writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); - schedule_work(&acb->arcmsr_do_message_isr_bh); + if (acb->acb_flags & ACB_F_MSG_GET_CONFIG) + schedule_work(&acb->arcmsr_do_message_isr_bh); } /* ********************************************************************************** @@ -2352,7 +2355,8 @@ static void arcmsr_hbaC_message_isr(struct AdapterControlBlock *acb) struct MessageUnit_C __iomem *reg = acb->pmuC; /*clear interrupt and message state*/ writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear); - schedule_work(&acb->arcmsr_do_message_isr_bh); + if (acb->acb_flags & ACB_F_MSG_GET_CONFIG) + schedule_work(&acb->arcmsr_do_message_isr_bh); } static void arcmsr_hbaD_message_isr(struct AdapterControlBlock *acb) @@ -2361,7 +2365,8 @@ static void arcmsr_hbaD_message_isr(struct AdapterControlBlock *acb) writel(ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE, reg->outbound_doorbell); readl(reg->outbound_doorbell); - schedule_work(&acb->arcmsr_do_message_isr_bh); + if (acb->acb_flags & ACB_F_MSG_GET_CONFIG) + schedule_work(&acb->arcmsr_do_message_isr_bh); } static void arcmsr_hbaE_message_isr(struct AdapterControlBlock *acb) @@ -2369,7 +2374,8 @@ static void arcmsr_hbaE_message_isr(struct AdapterControlBlock *acb) struct MessageUnit_E __iomem *reg = acb->pmuE; writel(0, ®->host_int_status); - schedule_work(&acb->arcmsr_do_message_isr_bh); + if (acb->acb_flags & ACB_F_MSG_GET_CONFIG) + schedule_work(&acb->arcmsr_do_message_isr_bh); } static int arcmsr_hbaA_handle_isr(struct AdapterControlBlock *acb) @@ -3826,6 +3832,7 @@ static void arcmsr_hbaA_request_device_map(struct AdapterControlBlock *acb) return; } writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); + acb->acb_flags |= ACB_F_MSG_GET_CONFIG; mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); } return; @@ -3848,6 +3855,7 @@ static void arcmsr_hbaB_request_device_map(struct AdapterControlBlock *acb) return; } writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell); + acb->acb_flags |= ACB_F_MSG_GET_CONFIG; mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); } return; @@ -3871,6 +3879,7 @@ static void arcmsr_hbaC_request_device_map(struct AdapterControlBlock *acb) } writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + acb->acb_flags |= ACB_F_MSG_GET_CONFIG; mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); } return; @@ -3900,6 +3909,7 @@ static void arcmsr_hbaD_request_device_map(struct AdapterControlBlock *acb) } writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, reg->inbound_msgaddr0); + acb->acb_flags |= ACB_F_MSG_GET_CONFIG; mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); } @@ -3930,6 +3940,7 @@ static void arcmsr_hbaE_request_device_map(struct AdapterControlBlock *acb) writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); acb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE; writel(acb->out_doorbell, ®->iobound_doorbell); + acb->acb_flags |= ACB_F_MSG_GET_CONFIG; mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); } |