diff options
author | ching Huang <ching2048@areca.com.tw> | 2020-09-28 18:31:27 +0800 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-10-07 23:50:05 -0400 |
commit | 893f4a14b115c7c9fca3c78bc42d30548cd76686 (patch) | |
tree | 1f17fe61cb4b6bd21304d66a695de1242f386760 /drivers/scsi/arcmsr | |
parent | 9aae1c1fe627c850da1cc2eba02af98e060251d3 (diff) | |
download | linux-893f4a14b115c7c9fca3c78bc42d30548cd76686.tar.bz2 |
scsi: arcmsr: Fix device hot-plug monitoring timer stop
Fix device hot-plug monitoring timer stop.
Link: https://lore.kernel.org/r/969213d4f124e230c3febc01e2b1db291bf4585c.camel@areca.com.tw
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 | 2 | ||||
-rw-r--r-- | drivers/scsi/arcmsr/arcmsr_hba.c | 27 |
2 files changed, 3 insertions, 26 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h index 9220bcf8388f..0ae401dfdc7f 100644 --- a/drivers/scsi/arcmsr/arcmsr.h +++ b/drivers/scsi/arcmsr/arcmsr.h @@ -836,8 +836,6 @@ struct AdapterControlBlock #define FW_NORMAL 0x0000 #define FW_BOG 0x0001 #define FW_DEADLOCK 0x0010 - atomic_t rq_map_token; - atomic_t ante_token_value; uint32_t maxOutstanding; int vector_count; uint32_t maxFreeCCB; diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 5076480b336f..86f84d7f4d3d 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -777,7 +777,6 @@ 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; @@ -815,7 +814,6 @@ static void arcmsr_message_isr_bh_fn(struct work_struct *work) break; } } - atomic_inc(&acb->rq_map_token); if (readl(signature) != ARCMSR_SIGNATURE_GET_CONFIG) return; for (target = 0; target < ARCMSR_MAX_TARGETID - 1; @@ -846,6 +844,7 @@ static void arcmsr_message_isr_bh_fn(struct work_struct *work) devicemap++; acb_dev_map++; } + acb->acb_flags &= ~ACB_F_MSG_GET_CONFIG; } static int @@ -898,8 +897,6 @@ out_free_irq: static void arcmsr_init_get_devmap_timer(struct AdapterControlBlock *pacb) { INIT_WORK(&pacb->arcmsr_do_message_isr_bh, arcmsr_message_isr_bh_fn); - atomic_set(&pacb->rq_map_token, 16); - atomic_set(&pacb->ante_token_value, 16); pacb->fw_flag = FW_NORMAL; timer_setup(&pacb->eternal_timer, arcmsr_request_device_map, 0); pacb->eternal_timer.expires = jiffies + msecs_to_jiffies(6 * HZ); @@ -3925,24 +3922,10 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) static void arcmsr_request_device_map(struct timer_list *t) { struct AdapterControlBlock *acb = from_timer(acb, t, eternal_timer); - if (unlikely(atomic_read(&acb->rq_map_token) == 0) || - (acb->acb_flags & ACB_F_BUS_RESET) || - (acb->acb_flags & ACB_F_ABORT)) { - mod_timer(&acb->eternal_timer, - jiffies + msecs_to_jiffies(6 * HZ)); + if (acb->acb_flags & (ACB_F_MSG_GET_CONFIG | ACB_F_BUS_RESET | ACB_F_ABORT)) { + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); } else { acb->fw_flag = FW_NORMAL; - if (atomic_read(&acb->ante_token_value) == - atomic_read(&acb->rq_map_token)) { - atomic_set(&acb->rq_map_token, 16); - } - atomic_set(&acb->ante_token_value, - atomic_read(&acb->rq_map_token)); - if (atomic_dec_and_test(&acb->rq_map_token)) { - mod_timer(&acb->eternal_timer, jiffies + - msecs_to_jiffies(6 * HZ)); - return; - } switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { struct MessageUnit_A __iomem *reg = acb->pmuA; @@ -4362,8 +4345,6 @@ wait_reset_done: goto wait_reset_done; } arcmsr_iop_init(acb); - atomic_set(&acb->rq_map_token, 16); - atomic_set(&acb->ante_token_value, 16); acb->fw_flag = FW_NORMAL; mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); @@ -4372,8 +4353,6 @@ wait_reset_done: pr_notice("arcmsr: scsi bus reset eh returns with success\n"); } else { acb->acb_flags &= ~ACB_F_BUS_RESET; - atomic_set(&acb->rq_map_token, 16); - atomic_set(&acb->ante_token_value, 16); acb->fw_flag = FW_NORMAL; mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); |