[PATCH 7/12] scsi: arcmsr: Update for ACB_ADAPTER_TYPE_C that ccb address can above 4GB

[Ching Huang]

>From Ching Huang <ching2...@areca.com.tw>

Update for ACB_ADAPTER_TYPE_C that ccb address can above 4GB

Signed-off-by: Ching Huang <ching2...@areca.com.tw>
---

diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 3d2727c..39f3cd0 100755
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -1438,7 +1438,9 @@ static void arcmsr_done4abort_postqueue(struct 
AdapterControlBlock *acb)
                        /*need to do*/
                        flag_ccb = readl(&reg->outbound_queueport_low);
                        ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
-                       pARCMSR_CDB = (struct  ARCMSR_CDB 
*)(acb->vir2phy_offset+ccb_cdb_phy);/*frame must be 32 bytes aligned*/
+                       if (acb->cdb_phyadd_hipart)
+                               ccb_cdb_phy = ccb_cdb_phy | 
acb->cdb_phyadd_hipart;
+                       pARCMSR_CDB = (struct  ARCMSR_CDB 
*)(acb->vir2phy_offset + ccb_cdb_phy);
                        pCCB = container_of(pARCMSR_CDB, struct 
CommandControlBlock, arcmsr_cdb);
                        error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? 
true : false;
                        arcmsr_drain_donequeue(acb, pCCB, error);
@@ -1786,12 +1788,8 @@ static void arcmsr_post_ccb(struct AdapterControlBlock 
*acb, struct CommandContr
 
                arc_cdb_size = (ccb->arc_cdb_size > 0x300) ? 0x300 : 
ccb->arc_cdb_size;
                ccb_post_stamp = (cdb_phyaddr | ((arc_cdb_size - 1) >> 6) | 1);
-               if (acb->cdb_phyaddr_hi32) {
-                       writel(acb->cdb_phyaddr_hi32, 
&phbcmu->inbound_queueport_high);
-                       writel(ccb_post_stamp, &phbcmu->inbound_queueport_low);
-               } else {
-                       writel(ccb_post_stamp, &phbcmu->inbound_queueport_low);
-               }
+               writel(upper_32_bits(ccb->cdb_phyaddr), 
&phbcmu->inbound_queueport_high);
+               writel(ccb_post_stamp, &phbcmu->inbound_queueport_low);
                }
                break;
        case ACB_ADAPTER_TYPE_D: {
@@ -2384,7 +2382,8 @@ static void arcmsr_hbaC_postqueue_isr(struct 
AdapterControlBlock *acb)
        struct MessageUnit_C __iomem *phbcmu;
        struct ARCMSR_CDB *arcmsr_cdb;
        struct CommandControlBlock *ccb;
-       uint32_t flag_ccb, ccb_cdb_phy, throttling = 0;
+       uint32_t flag_ccb, throttling = 0;
+       unsigned long ccb_cdb_phy;
        int error;
 
        phbcmu = acb->pmuC;
@@ -2394,6 +2393,8 @@ static void arcmsr_hbaC_postqueue_isr(struct 
AdapterControlBlock *acb)
        while ((flag_ccb = readl(&phbcmu->outbound_queueport_low)) !=
                        0xFFFFFFFF) {
                ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
+               if (acb->cdb_phyadd_hipart)
+                       ccb_cdb_phy = ccb_cdb_phy | acb->cdb_phyadd_hipart;
                arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset
                        + ccb_cdb_phy);
                ccb = container_of(arcmsr_cdb, struct CommandControlBlock,
@@ -3401,12 +3402,14 @@ static int arcmsr_hbaC_polling_ccbdone(struct 
AdapterControlBlock *acb,
                struct CommandControlBlock *poll_ccb)
 {
        struct MessageUnit_C __iomem *reg = acb->pmuC;
-       uint32_t flag_ccb, ccb_cdb_phy;
+       uint32_t flag_ccb;
        struct ARCMSR_CDB *arcmsr_cdb;
        bool error;
        struct CommandControlBlock *pCCB;
        uint32_t poll_ccb_done = 0, poll_count = 0;
        int rtn;
+       unsigned long ccb_cdb_phy;
+
 polling_hbc_ccb_retry:
        poll_count++;
        while (1) {
@@ -3425,7 +3428,9 @@ polling_hbc_ccb_retry:
                }
                flag_ccb = readl(&reg->outbound_queueport_low);
                ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
-               arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + 
ccb_cdb_phy);/*frame must be 32 bytes aligned*/
+               if (acb->cdb_phyadd_hipart)
+                       ccb_cdb_phy = ccb_cdb_phy | acb->cdb_phyadd_hipart;
+               arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + 
ccb_cdb_phy);
                pCCB = container_of(arcmsr_cdb, struct CommandControlBlock, 
arcmsr_cdb);
                poll_ccb_done |= (pCCB == poll_ccb) ? 1 : 0;
                /* check ifcommand done with no error*/
@@ -3801,7 +3806,6 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock 
*acb)
                }
                break;
        case ACB_ADAPTER_TYPE_C: {
-               if (cdb_phyaddr_hi32 != 0) {
                        struct MessageUnit_C __iomem *reg = acb->pmuC;
 
                        printk(KERN_NOTICE "arcmsr%d: cdb_phyaddr_hi32=0x%x\n",
@@ -3816,7 +3820,6 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock 
*acb)
                                return 1;
                        }
                }
-               }
                break;
        case ACB_ADAPTER_TYPE_D: {
                uint32_t __iomem *rwbuffer;