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path: root/drivers/scsi/eata_pio.c
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Diffstat (limited to 'drivers/scsi/eata_pio.c')
-rw-r--r--drivers/scsi/eata_pio.c100
1 files changed, 45 insertions, 55 deletions
diff --git a/drivers/scsi/eata_pio.c b/drivers/scsi/eata_pio.c
index f33ad01064a..96180bb47e4 100644
--- a/drivers/scsi/eata_pio.c
+++ b/drivers/scsi/eata_pio.c
@@ -107,59 +107,44 @@ static struct scsi_host_template driver_template;
static int eata_pio_proc_info(struct Scsi_Host *shost, char *buffer, char **start, off_t offset,
int length, int rw)
{
- static u8 buff[512];
- int size, len = 0;
- off_t begin = 0, pos = 0;
+ int len = 0;
+ off_t begin = 0, pos = 0;
- if (rw)
- return -ENOSYS;
- if (offset == 0)
- memset(buff, 0, sizeof(buff));
+ if (rw)
+ return -ENOSYS;
- size = sprintf(buffer+len, "EATA (Extended Attachment) PIO driver version: "
+ len += sprintf(buffer+len, "EATA (Extended Attachment) PIO driver version: "
"%d.%d%s\n",VER_MAJOR, VER_MINOR, VER_SUB);
- len += size; pos = begin + len;
- size = sprintf(buffer + len, "queued commands: %10ld\n"
+ len += sprintf(buffer + len, "queued commands: %10ld\n"
"processed interrupts:%10ld\n", queue_counter, int_counter);
- len += size; pos = begin + len;
-
- size = sprintf(buffer + len, "\nscsi%-2d: HBA %.10s\n",
+ len += sprintf(buffer + len, "\nscsi%-2d: HBA %.10s\n",
shost->host_no, SD(shost)->name);
- len += size;
- pos = begin + len;
- size = sprintf(buffer + len, "Firmware revision: v%s\n",
+ len += sprintf(buffer + len, "Firmware revision: v%s\n",
SD(shost)->revision);
- len += size;
- pos = begin + len;
- size = sprintf(buffer + len, "IO: PIO\n");
- len += size;
- pos = begin + len;
- size = sprintf(buffer + len, "Base IO : %#.4x\n", (u32) shost->base);
- len += size;
- pos = begin + len;
- size = sprintf(buffer + len, "Host Bus: %s\n",
+ len += sprintf(buffer + len, "IO: PIO\n");
+ len += sprintf(buffer + len, "Base IO : %#.4x\n", (u32) shost->base);
+ len += sprintf(buffer + len, "Host Bus: %s\n",
(SD(shost)->bustype == 'P')?"PCI ":
(SD(shost)->bustype == 'E')?"EISA":"ISA ");
- len += size;
- pos = begin + len;
+ pos = begin + len;
- if (pos < offset) {
- len = 0;
- begin = pos;
- }
- if (pos > offset + length)
- goto stop_output;
+ if (pos < offset) {
+ len = 0;
+ begin = pos;
+ }
+ if (pos > offset + length)
+ goto stop_output;
- stop_output:
- DBG(DBG_PROC, printk("2pos: %ld offset: %ld len: %d\n", pos, offset, len));
- *start=buffer+(offset-begin); /* Start of wanted data */
- len-=(offset-begin); /* Start slop */
- if(len>length)
- len = length; /* Ending slop */
- DBG(DBG_PROC, printk("3pos: %ld offset: %ld len: %d\n", pos, offset, len));
+stop_output:
+ DBG(DBG_PROC, printk("2pos: %ld offset: %ld len: %d\n", pos, offset, len));
+ *start = buffer + (offset - begin); /* Start of wanted data */
+ len -= (offset - begin); /* Start slop */
+ if (len > length)
+ len = length; /* Ending slop */
+ DBG(DBG_PROC, printk("3pos: %ld offset: %ld len: %d\n", pos, offset, len));
- return (len);
+ return len;
}
static int eata_pio_release(struct Scsi_Host *sh)
@@ -390,7 +375,7 @@ static int eata_pio_queue(struct scsi_cmnd *cmd,
DBG(DBG_QUEUE, scmd_printk(KERN_DEBUG, cmd,
"eata_pio_queue pid %ld, y %d\n",
- cmd->pid, y));
+ cmd->serial_number, y));
cmd->scsi_done = (void *) done;
@@ -435,10 +420,10 @@ static int eata_pio_queue(struct scsi_cmnd *cmd,
cmd->result = DID_BUS_BUSY << 16;
scmd_printk(KERN_NOTICE, cmd,
"eata_pio_queue pid %ld, HBA busy, "
- "returning DID_BUS_BUSY, done.\n", cmd->pid);
+ "returning DID_BUS_BUSY, done.\n", cmd->serial_number);
done(cmd);
cp->status = FREE;
- return (0);
+ return 0;
}
/* FIXME: timeout */
while (!(inb(base + HA_RSTATUS) & HA_SDRQ))
@@ -450,9 +435,9 @@ static int eata_pio_queue(struct scsi_cmnd *cmd,
DBG(DBG_QUEUE, scmd_printk(KERN_DEBUG, cmd,
"Queued base %#.4lx pid: %ld "
- "slot %d irq %d\n", sh->base, cmd->pid, y, sh->irq));
+ "slot %d irq %d\n", sh->base, cmd->serial_number, y, sh->irq));
- return (0);
+ return 0;
}
static int eata_pio_abort(struct scsi_cmnd *cmd)
@@ -461,7 +446,7 @@ static int eata_pio_abort(struct scsi_cmnd *cmd)
DBG(DBG_ABNORM, scmd_printk(KERN_WARNING, cmd,
"eata_pio_abort called pid: %ld\n",
- cmd->pid));
+ cmd->serial_number));
while (inb(cmd->device->host->base + HA_RAUXSTAT) & HA_ABUSY)
if (--loop == 0) {
@@ -497,7 +482,7 @@ static int eata_pio_host_reset(struct scsi_cmnd *cmd)
DBG(DBG_ABNORM, scmd_printk(KERN_WARNING, cmd,
"eata_pio_reset called pid:%ld\n",
- cmd->pid));
+ cmd->serial_number));
spin_lock_irq(host->host_lock);
@@ -516,7 +501,7 @@ static int eata_pio_host_reset(struct scsi_cmnd *cmd)
sp = HD(cmd)->ccb[x].cmd;
HD(cmd)->ccb[x].status = RESET;
- printk(KERN_WARNING "eata_pio_reset: slot %d in reset, pid %ld.\n", x, sp->pid);
+ printk(KERN_WARNING "eata_pio_reset: slot %d in reset, pid %ld.\n", x, sp->serial_number);
if (sp == NULL)
panic("eata_pio_reset: slot %d, sp==NULL.\n", x);
@@ -589,23 +574,28 @@ static char *get_pio_board_data(unsigned long base, unsigned int irq, unsigned i
cp.cp_cdb[5] = 0;
if (eata_pio_send_command(base, EATA_CMD_PIO_SEND_CP))
- return (NULL);
- while (!(inb(base + HA_RSTATUS) & HA_SDRQ));
+ return NULL;
+
+ while (!(inb(base + HA_RSTATUS) & HA_SDRQ))
+ cpu_relax();
+
outsw(base + HA_RDATA, &cp, cplen);
outb(EATA_CMD_PIO_TRUNC, base + HA_WCOMMAND);
for (z = 0; z < cppadlen; z++)
outw(0, base + HA_RDATA);
- while (inb(base + HA_RSTATUS) & HA_SBUSY);
+ while (inb(base + HA_RSTATUS) & HA_SBUSY)
+ cpu_relax();
+
if (inb(base + HA_RSTATUS) & HA_SERROR)
- return (NULL);
+ return NULL;
else if (!(inb(base + HA_RSTATUS) & HA_SDRQ))
- return (NULL);
+ return NULL;
else {
insw(base + HA_RDATA, &buff, 127);
while (inb(base + HA_RSTATUS) & HA_SDRQ)
inw(base + HA_RDATA);
- return (buff);
+ return buff;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-12 04:13:10 +0000