[SCSI] aacraid: General driver cleanup
Received from Mark Salyzyn
Remove superfluous code, optimize code, harden code, cast code, correct
some text, use msleep instead of schedule_timeout_interruptible. No
bugs.
Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 31319d0..fb8350e 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -1607,13 +1607,14 @@
cp[11] = 0;
cp[12] = 0;
aac_internal_transfer(scsicmd, cp, 0,
- min((unsigned int)scsicmd->cmnd[13], sizeof(cp)));
+ min_t(size_t, scsicmd->cmnd[13], sizeof(cp)));
if (sizeof(cp) < scsicmd->cmnd[13]) {
unsigned int len, offset = sizeof(cp);
memset(cp, 0, offset);
do {
- len = min(scsicmd->cmnd[13]-offset, sizeof(cp));
+ len = min_t(size_t, scsicmd->cmnd[13] - offset,
+ sizeof(cp));
aac_internal_transfer(scsicmd, cp, offset, len);
} while ((offset += len) < scsicmd->cmnd[13]);
}
@@ -2080,7 +2081,6 @@
return 0;
}
- dev = (struct aac_dev *)scsicmd->device->host->hostdata;
switch(scsicmd->sc_data_direction){
case DMA_TO_DEVICE:
flag = SRB_DataOut;
@@ -2198,8 +2198,6 @@
scsicmd->sc_data_direction);
psg->count = cpu_to_le32(sg_count);
- byte_count = 0;
-
for (i = 0; i < sg_count; i++) {
psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
@@ -2255,18 +2253,17 @@
sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
scsicmd->sc_data_direction);
- psg->count = cpu_to_le32(sg_count);
-
- byte_count = 0;
for (i = 0; i < sg_count; i++) {
+ int count = sg_dma_len(sg);
addr = sg_dma_address(sg);
psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
- psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
- byte_count += sg_dma_len(sg);
+ psg->sg[i].count = cpu_to_le32(count);
+ byte_count += count;
sg++;
}
+ psg->count = cpu_to_le32(sg_count);
/* hba wants the size to be exact */
if(byte_count > scsicmd->request_bufflen){
u32 temp = le32_to_cpu(psg->sg[i-1].count) -
@@ -2281,16 +2278,15 @@
}
}
else if(scsicmd->request_bufflen) {
- u64 addr;
- addr = pci_map_single(dev->pdev,
+ scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
scsicmd->request_buffer,
scsicmd->request_bufflen,
scsicmd->sc_data_direction);
+ addr = scsicmd->SCp.dma_handle;
psg->count = cpu_to_le32(1);
psg->sg[0].addr[0] = cpu_to_le32(addr & 0xffffffff);
psg->sg[0].addr[1] = cpu_to_le32(addr >> 32);
psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
- scsicmd->SCp.dma_handle = addr;
byte_count = scsicmd->request_bufflen;
}
return byte_count;
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index bed4e2d..9f9f4aa 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -767,9 +767,9 @@
if (cp[length] != 0)
cp[length] = 0;
if (level == LOG_AAC_HIGH_ERROR)
- printk(KERN_WARNING "aacraid:%s", cp);
+ printk(KERN_WARNING "%s:%s", dev->name, cp);
else
- printk(KERN_INFO "aacraid:%s", cp);
+ printk(KERN_INFO "%s:%s", dev->name, cp);
}
memset(cp, 0, 256);
}
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 9437a4c..eaf429b 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -73,7 +73,7 @@
MODULE_AUTHOR("Red Hat Inc and Adaptec");
MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
"Adaptec Advanced Raid Products, "
- "and HP NetRAID-4M SCSI driver");
+ "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
@@ -777,6 +777,7 @@
.cmd_per_lun = AAC_NUM_IO_FIB,
#endif
.use_clustering = ENABLE_CLUSTERING,
+ .emulated = 1,
};
diff --git a/drivers/scsi/aacraid/rkt.c b/drivers/scsi/aacraid/rkt.c
index e9b775d..7a23e02 100644
--- a/drivers/scsi/aacraid/rkt.c
+++ b/drivers/scsi/aacraid/rkt.c
@@ -183,7 +183,7 @@
/*
* Yield the processor in case we are slow
*/
- schedule_timeout_uninterruptible(1);
+ msleep(1);
}
if (ok != 1) {
/*
@@ -343,7 +343,7 @@
NULL, NULL, NULL, NULL, NULL);
pci_free_consistent(dev->pdev, sizeof(struct POSTSTATUS),
post, paddr);
- if ((buffer[0] == '0') && (buffer[1] == 'x')) {
+ if ((buffer[0] == '0') && ((buffer[1] == 'x') || (buffer[1] == 'X'))) {
ret = (buffer[2] <= '9') ? (buffer[2] - '0') : (buffer[2] - 'A' + 10);
ret <<= 4;
ret += (buffer[3] <= '9') ? (buffer[3] - '0') : (buffer[3] - 'A' + 10);
diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c
index 6998bc8..729b9eb 100644
--- a/drivers/scsi/aacraid/rx.c
+++ b/drivers/scsi/aacraid/rx.c
@@ -183,7 +183,7 @@
/*
* Yield the processor in case we are slow
*/
- schedule_timeout_uninterruptible(1);
+ msleep(1);
}
if (ok != 1) {
/*
@@ -342,7 +342,7 @@
NULL, NULL, NULL, NULL, NULL);
pci_free_consistent(dev->pdev, sizeof(struct POSTSTATUS),
post, paddr);
- if ((buffer[0] == '0') && (buffer[1] == 'x')) {
+ if ((buffer[0] == '0') && ((buffer[1] == 'x') || (buffer[1] == 'X'))) {
ret = (buffer[2] <= '9') ? (buffer[2] - '0') : (buffer[2] - 'A' + 10);
ret <<= 4;
ret += (buffer[3] <= '9') ? (buffer[3] - '0') : (buffer[3] - 'A' + 10);
diff --git a/drivers/scsi/aacraid/sa.c b/drivers/scsi/aacraid/sa.c
index 466f05c..a534549 100644
--- a/drivers/scsi/aacraid/sa.c
+++ b/drivers/scsi/aacraid/sa.c
@@ -189,7 +189,7 @@
ok = 1;
break;
}
- schedule_timeout_uninterruptible(1);
+ msleep(1);
}
if (ok != 1)