From: Ching Huang <ching2...@areca.com.tw>
Revise message_isr_bh_fn to remove the duplicate code for each adapter type.
Signed-off-by: Ching Huang <ching2...@areca.com.tw>
---
diff -uprN a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
--- a/drivers/scsi/arcmsr/arcmsr_hba.c 2014-08-14 18:36:38.000000000 +0800
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c 2014-08-14 18:39:06.000000000 +0800
@@ -472,120 +472,65 @@ static int arcmsr_alloc_ccb_pool(struct
static void arcmsr_message_isr_bh_fn(struct work_struct *work)
{
- struct AdapterControlBlock *acb = container_of(work,struct
AdapterControlBlock, arcmsr_do_message_isr_bh);
- switch (acb->adapter_type) {
- case ACB_ADAPTER_TYPE_A: {
+ struct AdapterControlBlock *acb = container_of(work,
+ struct AdapterControlBlock, arcmsr_do_message_isr_bh);
+ char *acb_dev_map = (char *)acb->device_map;
+ uint32_t __iomem *signature = NULL;
+ char __iomem *devicemap = NULL;
+ int target, lun;
+ struct scsi_device *psdev;
+ char diff, temp;
- struct MessageUnit_A __iomem *reg = acb->pmuA;
- char *acb_dev_map = (char *)acb->device_map;
- uint32_t __iomem *signature = (uint32_t __iomem*)
(®->message_rwbuffer[0]);
- char __iomem *devicemap = (char __iomem*)
(®->message_rwbuffer[21]);
- int target, lun;
- struct scsi_device *psdev;
- char diff;
-
- atomic_inc(&acb->rq_map_token);
- if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) {
- for(target = 0; target < ARCMSR_MAX_TARGETID
-1; target++) {
- diff = (*acb_dev_map)^readb(devicemap);
- if (diff != 0) {
- char temp;
- *acb_dev_map = readb(devicemap);
- temp =*acb_dev_map;
- for(lun = 0; lun <
ARCMSR_MAX_TARGETLUN; lun++) {
- if((temp & 0x01)==1 &&
(diff & 0x01) == 1) {
-
scsi_add_device(acb->host, 0, target, lun);
- }else if((temp & 0x01)
== 0 && (diff & 0x01) == 1) {
- psdev =
scsi_device_lookup(acb->host, 0, target, lun);
- if (psdev !=
NULL ) {
-
scsi_remove_device(psdev);
-
scsi_device_put(psdev);
- }
- }
- temp >>= 1;
- diff >>= 1;
- }
- }
- devicemap++;
- acb_dev_map++;
- }
- }
- break;
+ switch (acb->adapter_type) {
+ case ACB_ADAPTER_TYPE_A: {
+ struct MessageUnit_A __iomem *reg = acb->pmuA;
+ signature = (uint32_t __iomem *)(®->message_rwbuffer[0]);
+ devicemap = (char __iomem *)(®->message_rwbuffer[21]);
+ break;
}
-
- case ACB_ADAPTER_TYPE_B: {
- struct MessageUnit_B *reg = acb->pmuB;
- char *acb_dev_map = (char *)acb->device_map;
- uint32_t __iomem *signature = (uint32_t
__iomem*)(®->message_rwbuffer[0]);
- char __iomem *devicemap = (char
__iomem*)(®->message_rwbuffer[21]);
- int target, lun;
- struct scsi_device *psdev;
- char diff;
-
- atomic_inc(&acb->rq_map_token);
- if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) {
- for(target = 0; target < ARCMSR_MAX_TARGETID
-1; target++) {
- diff = (*acb_dev_map)^readb(devicemap);
- if (diff != 0) {
- char temp;
- *acb_dev_map = readb(devicemap);
- temp =*acb_dev_map;
- for(lun = 0; lun <
ARCMSR_MAX_TARGETLUN; lun++) {
- if((temp & 0x01)==1 &&
(diff & 0x01) == 1) {
-
scsi_add_device(acb->host, 0, target, lun);
- }else if((temp & 0x01)
== 0 && (diff & 0x01) == 1) {
- psdev =
scsi_device_lookup(acb->host, 0, target, lun);
- if (psdev !=
NULL ) {
-
scsi_remove_device(psdev);
-
scsi_device_put(psdev);
- }
- }
- temp >>= 1;
- diff >>= 1;
- }
- }
- devicemap++;
- acb_dev_map++;
- }
- }
+ case ACB_ADAPTER_TYPE_B: {
+ struct MessageUnit_B *reg = acb->pmuB;
+ signature = (uint32_t __iomem *)(®->message_rwbuffer[0]);
+ devicemap = (char __iomem *)(®->message_rwbuffer[21]);
+ break;
}
+ case ACB_ADAPTER_TYPE_C: {
+ struct MessageUnit_C __iomem *reg = acb->pmuC;
+ signature = (uint32_t __iomem *)(®->msgcode_rwbuffer[0]);
+ devicemap = (char __iomem *)(®->msgcode_rwbuffer[21]);
break;
- case ACB_ADAPTER_TYPE_C: {
- struct MessageUnit_C *reg = acb->pmuC;
- char *acb_dev_map = (char *)acb->device_map;
- uint32_t __iomem *signature = (uint32_t __iomem
*)(®->msgcode_rwbuffer[0]);
- char __iomem *devicemap = (char __iomem
*)(®->msgcode_rwbuffer[21]);
- int target, lun;
- struct scsi_device *psdev;
- char diff;
-
- atomic_inc(&acb->rq_map_token);
- if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) {
- for (target = 0; target < ARCMSR_MAX_TARGETID -
1; target++) {
- diff = (*acb_dev_map)^readb(devicemap);
- if (diff != 0) {
- char temp;
- *acb_dev_map = readb(devicemap);
- temp = *acb_dev_map;
- for (lun = 0; lun <
ARCMSR_MAX_TARGETLUN; lun++) {
- if ((temp & 0x01) == 1
&& (diff & 0x01) == 1) {
-
scsi_add_device(acb->host, 0, target, lun);
- } else if ((temp &
0x01) == 0 && (diff & 0x01) == 1) {
- psdev =
scsi_device_lookup(acb->host, 0, target, lun);
- if (psdev !=
NULL) {
-
scsi_remove_device(psdev);
-
scsi_device_put(psdev);
- }
- }
- temp >>= 1;
- diff >>= 1;
- }
+ }
+ }
+ atomic_inc(&acb->rq_map_token);
+ if (readl(signature) != ARCMSR_SIGNATURE_GET_CONFIG)
+ return;
+ for (target = 0; target < ARCMSR_MAX_TARGETID - 1;
+ target++) {
+ temp = readb(devicemap);
+ diff = (*acb_dev_map) ^ temp;
+ if (diff != 0) {
+ *acb_dev_map = temp;
+ for (lun = 0; lun < ARCMSR_MAX_TARGETLUN;
+ lun++) {
+ if ((diff & 0x01) == 1 &&
+ (temp & 0x01) == 1) {
+ scsi_add_device(acb->host,
+ 0, target, lun);
+ } else if ((diff & 0x01) == 1
+ && (temp & 0x01) == 0) {
+ psdev = scsi_device_lookup(acb->host,
+ 0, target, lun);
+ if (psdev != NULL) {
+ scsi_remove_device(psdev);
+ scsi_device_put(psdev);
}
- devicemap++;
- acb_dev_map++;
}
+ temp >>= 1;
+ diff >>= 1;
}
}
+ devicemap++;
+ acb_dev_map++;
}
}
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