[SCSI] eata_pio cleanup and PCI fix
This started as a PCI reference fixup but to do that I need to build it, to build it I need to fix it and its full of 32bitisms and uglies. It has been resurrected, I'm not sure if this is a thank you for the work on the license stuff or punishment for some unknown misdeed however 8). I've also fixed a memory scribble in the init code. One oddity - the changes from HZ * to constants are deliberate. Whoever originally wrote the code (or cleaned it up) used HZ for a cycle timing loop even though is not HZ related. I've put it back to the counts used in the old days when the driver was most used. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Alan Cox
James Bottomley
parent
2538363eb5
commit
1a68d41a33
2 changed files with 69 additions and 59 deletions
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@ -364,6 +364,7 @@ typedef struct hstd {
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__u8 moresupport; /* HBA supports MORE flag */
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struct Scsi_Host *next;
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struct Scsi_Host *prev;
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struct pci_dev *pdev; /* PCI device or NULL for non PCI */
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struct eata_sp sp; /* status packet */
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struct eata_ccb ccb[0]; /* ccb array begins here */
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}hostdata;
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@ -71,11 +71,11 @@
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#include "eata_pio.h"
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static uint ISAbases[MAXISA] = {
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static unsigned int ISAbases[MAXISA] = {
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0x1F0, 0x170, 0x330, 0x230
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};
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static uint ISAirqs[MAXISA] = {
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static unsigned int ISAirqs[MAXISA] = {
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14, 12, 15, 11
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};
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@ -84,7 +84,7 @@ static unsigned char EISAbases[] = {
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1, 1, 1, 1, 1, 1, 1, 1
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};
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static uint registered_HBAs;
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static unsigned int registered_HBAs;
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static struct Scsi_Host *last_HBA;
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static struct Scsi_Host *first_HBA;
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static unsigned char reg_IRQ[16];
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@ -165,6 +165,7 @@ static int eata_pio_proc_info(struct Scsi_Host *shost, char *buffer, char **star
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static int eata_pio_release(struct Scsi_Host *sh)
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{
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hostdata *hd = SD(sh);
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if (sh->irq && reg_IRQ[sh->irq] == 1)
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free_irq(sh->irq, NULL);
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else
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@ -173,10 +174,13 @@ static int eata_pio_release(struct Scsi_Host *sh)
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if (sh->io_port && sh->n_io_port)
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release_region(sh->io_port, sh->n_io_port);
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}
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/* At this point the PCI reference can go */
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if (hd->pdev)
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pci_dev_put(hd->pdev);
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return 1;
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}
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static void IncStat(struct scsi_pointer *SCp, uint Increment)
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static void IncStat(struct scsi_pointer *SCp, unsigned int Increment)
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{
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SCp->ptr += Increment;
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if ((SCp->this_residual -= Increment) == 0) {
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@ -190,46 +194,49 @@ static void IncStat(struct scsi_pointer *SCp, uint Increment)
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}
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}
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static void eata_pio_int_handler(int irq, void *dev_id, struct pt_regs *regs);
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static irqreturn_t eata_pio_int_handler(int irq, void *dev_id, struct pt_regs *regs);
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static irqreturn_t do_eata_pio_int_handler(int irq, void *dev_id,
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struct pt_regs *regs)
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{
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unsigned long flags;
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struct Scsi_Host *dev = dev_id;
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irqreturn_t ret;
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spin_lock_irqsave(dev->host_lock, flags);
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eata_pio_int_handler(irq, dev_id, regs);
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ret = eata_pio_int_handler(irq, dev_id, regs);
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spin_unlock_irqrestore(dev->host_lock, flags);
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return IRQ_HANDLED;
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return ret;
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}
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static void eata_pio_int_handler(int irq, void *dev_id, struct pt_regs *regs)
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static irqreturn_t eata_pio_int_handler(int irq, void *dev_id, struct pt_regs *regs)
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{
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uint eata_stat = 0xfffff;
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unsigned int eata_stat = 0xfffff;
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struct scsi_cmnd *cmd;
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hostdata *hd;
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struct eata_ccb *cp;
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uint base;
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uint x, z;
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unsigned long base;
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unsigned int x, z;
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struct Scsi_Host *sh;
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unsigned short zwickel = 0;
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unsigned char stat, odd;
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irqreturn_t ret = IRQ_NONE;
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for (x = 1, sh = first_HBA; x <= registered_HBAs; x++, sh = SD(sh)->prev)
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{
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if (sh->irq != irq)
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continue;
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if (inb((uint) sh->base + HA_RSTATUS) & HA_SBUSY)
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if (inb(sh->base + HA_RSTATUS) & HA_SBUSY)
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continue;
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int_counter++;
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ret = IRQ_HANDLED;
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hd = SD(sh);
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cp = &hd->ccb[0];
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cmd = cp->cmd;
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base = (uint) cmd->device->host->base;
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base = cmd->device->host->base;
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do {
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stat = inb(base + HA_RSTATUS);
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@ -304,7 +311,7 @@ static void eata_pio_int_handler(int irq, void *dev_id, struct pt_regs *regs)
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if (!(inb(base + HA_RSTATUS) & HA_SERROR)) {
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cmd->result = (DID_OK << 16);
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hd->devflags |= (1 << cp->cp_id);
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} else if (hd->devflags & 1 << cp->cp_id)
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} else if (hd->devflags & (1 << cp->cp_id))
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cmd->result = (DID_OK << 16) + 0x02;
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else
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cmd->result = (DID_NO_CONNECT << 16);
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@ -313,7 +320,7 @@ static void eata_pio_int_handler(int irq, void *dev_id, struct pt_regs *regs)
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cp->status = FREE;
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eata_stat = inb(base + HA_RSTATUS);
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printk(KERN_CRIT "eata_pio: int_handler, freeing locked " "queueslot\n");
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return;
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return ret;
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}
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#if DBG_INTR2
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if (stat != 0x50)
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@ -325,12 +332,12 @@ static void eata_pio_int_handler(int irq, void *dev_id, struct pt_regs *regs)
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cmd->scsi_done(cmd);
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}
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return;
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return ret;
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}
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static inline uint eata_pio_send_command(uint base, unsigned char command)
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static inline unsigned int eata_pio_send_command(unsigned long base, unsigned char command)
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{
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uint loop = HZ / 2;
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unsigned int loop = 50;
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while (inb(base + HA_RSTATUS) & HA_SBUSY)
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if (--loop == 0)
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@ -349,8 +356,8 @@ static inline uint eata_pio_send_command(uint base, unsigned char command)
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static int eata_pio_queue(struct scsi_cmnd *cmd,
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void (*done)(struct scsi_cmnd *))
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{
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uint x, y;
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uint base;
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unsigned int x, y;
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unsigned long base;
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hostdata *hd;
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struct Scsi_Host *sh;
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@ -360,7 +367,7 @@ static int eata_pio_queue(struct scsi_cmnd *cmd,
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hd = HD(cmd);
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sh = cmd->device->host;
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base = (uint) sh->base;
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base = sh->base;
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/* use only slot 0, as 2001 can handle only one cmd at a time */
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@ -395,9 +402,9 @@ static int eata_pio_queue(struct scsi_cmnd *cmd,
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cp->DataIn = 0; /* Input mode */
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cp->Interpret = (cmd->device->id == hd->hostid);
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cp->cp_datalen = htonl((unsigned long) cmd->request_bufflen);
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cp->cp_datalen = cpu_to_be32(cmd->request_bufflen);
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cp->Auto_Req_Sen = 0;
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cp->cp_reqDMA = htonl(0);
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cp->cp_reqDMA = 0;
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cp->reqlen = 0;
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cp->cp_id = cmd->device->id;
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@ -406,7 +413,7 @@ static int eata_pio_queue(struct scsi_cmnd *cmd,
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cp->cp_identify = 1;
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memcpy(cp->cp_cdb, cmd->cmnd, COMMAND_SIZE(*cmd->cmnd));
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cp->cp_statDMA = htonl(0);
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cp->cp_statDMA = 0;
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cp->cp_viraddr = cp;
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cp->cmd = cmd;
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@ -445,14 +452,14 @@ static int eata_pio_queue(struct scsi_cmnd *cmd,
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DBG(DBG_QUEUE, scmd_printk(KERN_DEBUG, cmd,
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"Queued base %#.4lx pid: %ld "
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"slot %d irq %d\n", (long) sh->base, cmd->pid, y, sh->irq));
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"slot %d irq %d\n", sh->base, cmd->pid, y, sh->irq));
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return (0);
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}
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static int eata_pio_abort(struct scsi_cmnd *cmd)
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{
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uint loop = HZ;
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unsigned int loop = 100;
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DBG(DBG_ABNORM, scmd_printk(KERN_WARNING, cmd,
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"eata_pio_abort called pid: %ld\n",
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@ -485,7 +492,7 @@ static int eata_pio_abort(struct scsi_cmnd *cmd)
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static int eata_pio_host_reset(struct scsi_cmnd *cmd)
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{
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uint x, limit = 0;
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unsigned int x, limit = 0;
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unsigned char success = 0;
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struct scsi_cmnd *sp;
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struct Scsi_Host *host = cmd->device->host;
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@ -518,7 +525,7 @@ static int eata_pio_host_reset(struct scsi_cmnd *cmd)
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}
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/* hard reset the HBA */
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outb(EATA_CMD_RESET, (uint) cmd->device->host->base + HA_WCOMMAND);
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outb(EATA_CMD_RESET, cmd->device->host->base + HA_WCOMMAND);
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DBG(DBG_ABNORM, printk(KERN_WARNING "eata_pio_reset: board reset done.\n"));
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HD(cmd)->state = RESET;
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@ -558,7 +565,7 @@ static int eata_pio_host_reset(struct scsi_cmnd *cmd)
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}
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}
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static char *get_pio_board_data(unsigned long base, uint irq, uint id, unsigned long cplen, unsigned short cppadlen)
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static char *get_pio_board_data(unsigned long base, unsigned int irq, unsigned int id, unsigned long cplen, unsigned short cppadlen)
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{
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struct eata_ccb cp;
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static char buff[256];
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@ -570,8 +577,8 @@ static char *get_pio_board_data(unsigned long base, uint irq, uint id, unsigned
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cp.DataIn = 1;
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cp.Interpret = 1; /* Interpret command */
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cp.cp_datalen = htonl(254);
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cp.cp_dataDMA = htonl(0);
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cp.cp_datalen = cpu_to_be32(254);
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cp.cp_dataDMA = cpu_to_be32(0);
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cp.cp_id = id;
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cp.cp_lun = 0;
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@ -583,7 +590,7 @@ static char *get_pio_board_data(unsigned long base, uint irq, uint id, unsigned
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cp.cp_cdb[4] = 254;
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cp.cp_cdb[5] = 0;
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if (eata_pio_send_command((uint) base, EATA_CMD_PIO_SEND_CP))
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if (eata_pio_send_command(base, EATA_CMD_PIO_SEND_CP))
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return (NULL);
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while (!(inb(base + HA_RSTATUS) & HA_SDRQ));
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outsw(base + HA_RDATA, &cp, cplen);
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@ -604,7 +611,7 @@ static char *get_pio_board_data(unsigned long base, uint irq, uint id, unsigned
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}
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}
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static int get_pio_conf_PIO(u32 base, struct get_conf *buf)
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static int get_pio_conf_PIO(unsigned long base, struct get_conf *buf)
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{
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unsigned long loop = HZ / 2;
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int z;
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@ -619,30 +626,30 @@ static int get_pio_conf_PIO(u32 base, struct get_conf *buf)
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if (--loop == 0)
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goto fail;
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DBG(DBG_PIO && DBG_PROBE, printk(KERN_DEBUG "Issuing PIO READ CONFIG to HBA at %#x\n", base));
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DBG(DBG_PIO && DBG_PROBE, printk(KERN_DEBUG "Issuing PIO READ CONFIG to HBA at %#lx\n", base));
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eata_pio_send_command(base, EATA_CMD_PIO_READ_CONFIG);
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loop = HZ / 2;
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loop = 50;
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for (p = (unsigned short *) buf; (long) p <= ((long) buf + (sizeof(struct get_conf) / 2)); p++) {
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while (!(inb(base + HA_RSTATUS) & HA_SDRQ))
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if (--loop == 0)
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goto fail;
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loop = HZ / 2;
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loop = 50;
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*p = inw(base + HA_RDATA);
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}
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if (inb(base + HA_RSTATUS) & HA_SERROR) {
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DBG(DBG_PROBE, printk("eata_dma: get_conf_PIO, error during "
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"transfer for HBA at %x\n", base));
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"transfer for HBA at %lx\n", base));
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goto fail;
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}
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if (htonl(EATA_SIGNATURE) != buf->signature)
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if (cpu_to_be32(EATA_SIGNATURE) != buf->signature)
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goto fail;
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DBG(DBG_PIO && DBG_PROBE, printk(KERN_NOTICE "EATA Controller found "
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"at %#4x EATA Level: %x\n",
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base, (uint) (buf->version)));
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"at %#4lx EATA Level: %x\n",
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base, (unsigned int) (buf->version)));
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while (inb(base + HA_RSTATUS) & HA_SDRQ)
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inw(base + HA_RDATA);
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@ -665,12 +672,12 @@ static int get_pio_conf_PIO(u32 base, struct get_conf *buf)
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static void print_pio_config(struct get_conf *gc)
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{
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printk("Please check values: (read config data)\n");
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printk("LEN: %d ver:%d OCS:%d TAR:%d TRNXFR:%d MORES:%d\n", (uint) ntohl(gc->len), gc->version, gc->OCS_enabled, gc->TAR_support, gc->TRNXFR, gc->MORE_support);
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printk("HAAV:%d SCSIID0:%d ID1:%d ID2:%d QUEUE:%d SG:%d SEC:%d\n", gc->HAA_valid, gc->scsi_id[3], gc->scsi_id[2], gc->scsi_id[1], ntohs(gc->queuesiz), ntohs(gc->SGsiz), gc->SECOND);
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printk("LEN: %d ver:%d OCS:%d TAR:%d TRNXFR:%d MORES:%d\n", be32_to_cpu(gc->len), gc->version, gc->OCS_enabled, gc->TAR_support, gc->TRNXFR, gc->MORE_support);
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printk("HAAV:%d SCSIID0:%d ID1:%d ID2:%d QUEUE:%d SG:%d SEC:%d\n", gc->HAA_valid, gc->scsi_id[3], gc->scsi_id[2], gc->scsi_id[1], be16_to_cpu(gc->queuesiz), be16_to_cpu(gc->SGsiz), gc->SECOND);
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printk("IRQ:%d IRQT:%d FORCADR:%d MCH:%d RIDQ:%d\n", gc->IRQ, gc->IRQ_TR, gc->FORCADR, gc->MAX_CHAN, gc->ID_qest);
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}
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static uint print_selftest(uint base)
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static unsigned int print_selftest(unsigned int base)
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{
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unsigned char buffer[512];
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#ifdef VERBOSE_SETUP
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@ -697,7 +704,7 @@ static uint print_selftest(uint base)
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return (!(inb(base + HA_RSTATUS) & HA_SERROR));
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}
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static int register_pio_HBA(long base, struct get_conf *gc)
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static int register_pio_HBA(long base, struct get_conf *gc, struct pci_dev *pdev)
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{
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unsigned long size = 0;
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char *buff;
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@ -714,17 +721,17 @@ static int register_pio_HBA(long base, struct get_conf *gc)
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return 0;
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}
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if ((buff = get_pio_board_data((uint) base, gc->IRQ, gc->scsi_id[3], cplen = (htonl(gc->cplen) + 1) / 2, cppadlen = (htons(gc->cppadlen) + 1) / 2)) == NULL) {
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printk("HBA at %#lx didn't react on INQUIRY. Sorry.\n", (unsigned long) base);
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if ((buff = get_pio_board_data(base, gc->IRQ, gc->scsi_id[3], cplen = (cpu_to_be32(gc->cplen) + 1) / 2, cppadlen = (cpu_to_be16(gc->cppadlen) + 1) / 2)) == NULL) {
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printk("HBA at %#lx didn't react on INQUIRY. Sorry.\n", base);
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return 0;
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}
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if (!print_selftest(base) && !ALLOW_DMA_BOARDS) {
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printk("HBA at %#lx failed while performing self test & setup.\n", (unsigned long) base);
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printk("HBA at %#lx failed while performing self test & setup.\n", base);
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return 0;
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}
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size = sizeof(hostdata) + (sizeof(struct eata_ccb) * ntohs(gc->queuesiz));
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size = sizeof(hostdata) + (sizeof(struct eata_ccb) * be16_to_cpu(gc->queuesiz));
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sh = scsi_register(&driver_template, size);
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if (sh == NULL)
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@ -749,8 +756,8 @@ static int register_pio_HBA(long base, struct get_conf *gc)
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hd = SD(sh);
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memset(hd->ccb, 0, (sizeof(struct eata_ccb) * ntohs(gc->queuesiz)));
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memset(hd->reads, 0, sizeof(unsigned long) * 26);
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memset(hd->ccb, 0, (sizeof(struct eata_ccb) * be16_to_cpu(gc->queuesiz)));
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memset(hd->reads, 0, sizeof(hd->reads));
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strlcpy(SD(sh)->vendor, &buff[8], sizeof(SD(sh)->vendor));
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strlcpy(SD(sh)->name, &buff[16], sizeof(SD(sh)->name));
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@ -761,7 +768,7 @@ static int register_pio_HBA(long base, struct get_conf *gc)
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SD(sh)->revision[4] = buff[35];
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SD(sh)->revision[5] = 0;
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switch (ntohl(gc->len)) {
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switch (be32_to_cpu(gc->len)) {
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case 0x1c:
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SD(sh)->EATA_revision = 'a';
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break;
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@ -777,7 +784,7 @@ static int register_pio_HBA(long base, struct get_conf *gc)
|
|||
SD(sh)->EATA_revision = '?';
|
||||
}
|
||||
|
||||
if (ntohl(gc->len) >= 0x22) {
|
||||
if (be32_to_cpu(gc->len) >= 0x22) {
|
||||
if (gc->is_PCI)
|
||||
hd->bustype = IS_PCI;
|
||||
else if (gc->is_EISA)
|
||||
|
|
@ -811,6 +818,8 @@ static int register_pio_HBA(long base, struct get_conf *gc)
|
|||
|
||||
hd->channel = 0;
|
||||
|
||||
hd->pdev = pci_dev_get(pdev); /* Keep a PCI reference */
|
||||
|
||||
sh->max_id = 8;
|
||||
sh->max_lun = 8;
|
||||
|
||||
|
|
@ -841,7 +850,7 @@ static void find_pio_ISA(struct get_conf *buf)
|
|||
continue;
|
||||
if (!get_pio_conf_PIO(ISAbases[i], buf))
|
||||
continue;
|
||||
if (!register_pio_HBA(ISAbases[i], buf))
|
||||
if (!register_pio_HBA(ISAbases[i], buf, NULL))
|
||||
release_region(ISAbases[i], 9);
|
||||
else
|
||||
ISAbases[i] = 0;
|
||||
|
|
@ -873,7 +882,7 @@ static void find_pio_EISA(struct get_conf *buf)
|
|||
if (get_pio_conf_PIO(base, buf)) {
|
||||
DBG(DBG_PROBE && DBG_EISA, print_pio_config(buf));
|
||||
if (buf->IRQ) {
|
||||
if (!register_pio_HBA(base, buf))
|
||||
if (!register_pio_HBA(base, buf, NULL))
|
||||
release_region(base, 9);
|
||||
} else {
|
||||
printk(KERN_NOTICE "eata_dma: No valid IRQ. HBA " "removed from list\n");
|
||||
|
|
@ -896,9 +905,9 @@ static void find_pio_PCI(struct get_conf *buf)
|
|||
printk("eata_dma: kernel PCI support not enabled. Skipping scan for PCI HBAs.\n");
|
||||
#else
|
||||
struct pci_dev *dev = NULL;
|
||||
u32 base, x;
|
||||
unsigned long base, x;
|
||||
|
||||
while ((dev = pci_find_device(PCI_VENDOR_ID_DPT, PCI_DEVICE_ID_DPT, dev)) != NULL) {
|
||||
while ((dev = pci_get_device(PCI_VENDOR_ID_DPT, PCI_DEVICE_ID_DPT, dev)) != NULL) {
|
||||
DBG(DBG_PROBE && DBG_PCI, printk("eata_pio: find_PCI, HBA at %s\n", pci_name(dev)));
|
||||
if (pci_enable_device(dev))
|
||||
continue;
|
||||
|
|
@ -926,7 +935,7 @@ static void find_pio_PCI(struct get_conf *buf)
|
|||
* eventually remove it from the EISA and ISA list
|
||||
*/
|
||||
|
||||
if (!register_pio_HBA(base, buf)) {
|
||||
if (!register_pio_HBA(base, buf, dev)) {
|
||||
release_region(base, 9);
|
||||
continue;
|
||||
}
|
||||
|
|
@ -976,12 +985,12 @@ static int eata_pio_detect(struct scsi_host_template *tpnt)
|
|||
printk("Registered HBAs:\n");
|
||||
printk("HBA no. Boardtype: Revis: EATA: Bus: BaseIO: IRQ: Ch: ID: Pr:" " QS: SG: CPL:\n");
|
||||
for (i = 1; i <= registered_HBAs; i++) {
|
||||
printk("scsi%-2d: %.10s v%s 2.0%c %s %#.4x %2d %d %d %c"
|
||||
printk("scsi%-2d: %.10s v%s 2.0%c %s %#.4lx %2d %d %d %c"
|
||||
" %2d %2d %2d\n",
|
||||
HBA_ptr->host_no, SD(HBA_ptr)->name, SD(HBA_ptr)->revision,
|
||||
SD(HBA_ptr)->EATA_revision, (SD(HBA_ptr)->bustype == 'P') ?
|
||||
"PCI " : (SD(HBA_ptr)->bustype == 'E') ? "EISA" : "ISA ",
|
||||
(uint) HBA_ptr->base, HBA_ptr->irq, SD(HBA_ptr)->channel, HBA_ptr->this_id,
|
||||
HBA_ptr->base, HBA_ptr->irq, SD(HBA_ptr)->channel, HBA_ptr->this_id,
|
||||
SD(HBA_ptr)->primary ? 'Y' : 'N', HBA_ptr->can_queue,
|
||||
HBA_ptr->sg_tablesize, HBA_ptr->cmd_per_lun);
|
||||
HBA_ptr = SD(HBA_ptr)->next;
|
||||
|
|
|
|||
Loading…
Reference in a new issue