[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 (file)
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -1607,13 +1607,14 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
                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 @@ static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
                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 @@ static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
                        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 @@ static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* p
 
                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 @@ static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* p
                }
        }
        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 (file)
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -767,9 +767,9 @@ void aac_printf(struct aac_dev *dev, u32 val)
                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 (file)
--- 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 @@ static struct scsi_host_template aac_driver_template = {
        .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 (file)
--- a/drivers/scsi/aacraid/rkt.c
+++ b/drivers/scsi/aacraid/rkt.c
@@ -183,7 +183,7 @@ static int rkt_sync_cmd(struct aac_dev *dev, u32 command,
                /*
                 *      Yield the processor in case we are slow 
                 */
-               schedule_timeout_uninterruptible(1);
+               msleep(1);
        }
        if (ok != 1) {
                /*
@@ -343,7 +343,7 @@ static int aac_rkt_check_health(struct aac_dev *dev)
                  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 (file)
--- a/drivers/scsi/aacraid/rx.c
+++ b/drivers/scsi/aacraid/rx.c
@@ -183,7 +183,7 @@ static int rx_sync_cmd(struct aac_dev *dev, u32 command,
                /*
                 *      Yield the processor in case we are slow 
                 */
-               schedule_timeout_uninterruptible(1);
+               msleep(1);
        }
        if (ok != 1) {
                /*
@@ -342,7 +342,7 @@ static int aac_rx_check_health(struct aac_dev *dev)
                  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 (file)
--- a/drivers/scsi/aacraid/sa.c
+++ b/drivers/scsi/aacraid/sa.c
@@ -189,7 +189,7 @@ static int sa_sync_cmd(struct aac_dev *dev, u32 command,
                        ok = 1;
                        break;
                }
-               schedule_timeout_uninterruptible(1);
+               msleep(1);
        }
 
        if (ok != 1)