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path: root/drivers/scsi/megaraid/megaraid_sas_fusion.c
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Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas_fusion.c')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_fusion.c42
1 files changed, 14 insertions, 28 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 073ced07e662..dc8e850fbfd2 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -216,36 +216,30 @@ inline void megasas_return_cmd_fusion(struct megasas_instance *instance,
/**
* megasas_fire_cmd_fusion - Sends command to the FW
* @instance: Adapter soft state
- * @req_desc: 32bit or 64bit Request descriptor
+ * @req_desc: 64bit Request descriptor
*
- * Perform PCI Write. Ventura supports 32 bit Descriptor.
- * Prior to Ventura (12G) MR controller supports 64 bit Descriptor.
+ * Perform PCI Write.
*/
static void
megasas_fire_cmd_fusion(struct megasas_instance *instance,
union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc)
{
- if (instance->adapter_type == VENTURA_SERIES)
- writel(le32_to_cpu(req_desc->u.low),
- &instance->reg_set->inbound_single_queue_port);
- else {
#if defined(writeq) && defined(CONFIG_64BIT)
- u64 req_data = (((u64)le32_to_cpu(req_desc->u.high) << 32) |
- le32_to_cpu(req_desc->u.low));
+ u64 req_data = (((u64)le32_to_cpu(req_desc->u.high) << 32) |
+ le32_to_cpu(req_desc->u.low));
- writeq(req_data, &instance->reg_set->inbound_low_queue_port);
+ writeq(req_data, &instance->reg_set->inbound_low_queue_port);
#else
- unsigned long flags;
- spin_lock_irqsave(&instance->hba_lock, flags);
- writel(le32_to_cpu(req_desc->u.low),
- &instance->reg_set->inbound_low_queue_port);
- writel(le32_to_cpu(req_desc->u.high),
- &instance->reg_set->inbound_high_queue_port);
- mmiowb();
- spin_unlock_irqrestore(&instance->hba_lock, flags);
+ unsigned long flags;
+ spin_lock_irqsave(&instance->hba_lock, flags);
+ writel(le32_to_cpu(req_desc->u.low),
+ &instance->reg_set->inbound_low_queue_port);
+ writel(le32_to_cpu(req_desc->u.high),
+ &instance->reg_set->inbound_high_queue_port);
+ mmiowb();
+ spin_unlock_irqrestore(&instance->hba_lock, flags);
#endif
- }
}
/**
@@ -982,7 +976,6 @@ megasas_ioc_init_fusion(struct megasas_instance *instance)
const char *sys_info;
MFI_CAPABILITIES *drv_ops;
u32 scratch_pad_2;
- unsigned long flags;
ktime_t time;
bool cur_fw_64bit_dma_capable;
@@ -1121,14 +1114,7 @@ megasas_ioc_init_fusion(struct megasas_instance *instance)
break;
}
- /* For Ventura also IOC INIT required 64 bit Descriptor write. */
- spin_lock_irqsave(&instance->hba_lock, flags);
- writel(le32_to_cpu(req_desc.u.low),
- &instance->reg_set->inbound_low_queue_port);
- writel(le32_to_cpu(req_desc.u.high),
- &instance->reg_set->inbound_high_queue_port);
- mmiowb();
- spin_unlock_irqrestore(&instance->hba_lock, flags);
+ megasas_fire_cmd_fusion(instance, &req_desc);
wait_and_poll(instance, cmd, MFI_POLL_TIMEOUT_SECS);