chip_ver is used for wide chip detection only. Remove it and use a local
variable instead (for 870; 880 and 885 are always wide).
Signed-off-by: Ondrej Zary <linux@xxxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/atp870u.c | 39 ++++++++++++++-------------------------
drivers/scsi/atp870u.h | 1 -
2 files changed, 14 insertions(+), 26 deletions(-)
diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c
index 128613e..f92eb00 100644
--- a/drivers/scsi/atp870u.c
+++ b/drivers/scsi/atp870u.c
@@ -954,7 +954,7 @@ static unsigned char fun_scam(struct atp_unit *dev, unsigned short int *val)
return j;
}
-static void tscam(struct Scsi_Host *host)
+static void tscam(struct Scsi_Host *host, bool wide_chip)
{
unsigned char i, j, k;
@@ -983,7 +983,7 @@ static void tscam(struct Scsi_Host *host)
m = 1;
m <<= dev->host_id[0];
j = 16;
- if (dev->chip_ver < 4) {
+ if (!wide_chip) {
m |= 0xff00;
j = 8;
}
@@ -1012,7 +1012,7 @@ static void tscam(struct Scsi_Host *host)
k = i;
}
atp_writeb_io(dev, 0, 0x15, k);
- if (dev->chip_ver == 4)
+ if (wide_chip)
atp_writeb_io(dev, 0, 0x1b, 0x01);
else
atp_writeb_io(dev, 0, 0x1b, 0x00);
@@ -1278,25 +1278,11 @@ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
atpdev->pdev = pdev;
pci_set_drvdata(pdev, atpdev);
- switch (ent->device) {
- case PCI_DEVICE_ID_ARTOP_AEC7610:
- atpdev->chip_ver = pdev->revision;
- break;
- case PCI_DEVICE_ID_ARTOP_AEC7612UW:
- case PCI_DEVICE_ID_ARTOP_AEC7612SUW:
- case ATP880_DEVID1:
- case ATP880_DEVID2:
- case ATP885_DEVID:
- atpdev->chip_ver = 0x04;
- default:
- break;
- }
base_io = pci_resource_start(pdev, 0);
base_io &= 0xfffffff8;
atpdev->baseport = base_io;
if ((ent->device == ATP880_DEVID1)||(ent->device == ATP880_DEVID2)) {
- atpdev->chip_ver = pdev->revision;
pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x80);//JCC082803
atpdev->ioport[0] = base_io + 0x40;
@@ -1390,7 +1376,7 @@ flash_ok_880:
atp_set_host_id(atpdev, 0, host_id);
- tscam(shpnt);
+ tscam(shpnt, true);
atp_is(atpdev, 0, true, atp_readb_base(atpdev, 0x3f) & 0x40);
atp_writeb_base(atpdev, 0x38, 0xb0);
shpnt->max_id = 16;
@@ -1536,6 +1522,11 @@ flash_ok_885:
shpnt->irq = pdev->irq;
} else {
+ bool wide_chip =
+ (ent->device == PCI_DEVICE_ID_ARTOP_AEC7610 &&
+ pdev->revision == 4) ||
+ (ent->device == PCI_DEVICE_ID_ARTOP_AEC7612UW) ||
+ (ent->device == PCI_DEVICE_ID_ARTOP_AEC7612SUW);
error = pci_read_config_byte(pdev, 0x49, &host_id);
printk(KERN_INFO " ACARD AEC-671X PCI Ultra/W SCSI-2/3 Host Adapter: "
@@ -1569,7 +1560,7 @@ flash_ok_885:
}
spin_lock_irqsave(shpnt->host_lock, flags);
- if (atpdev->chip_ver > 0x07) /* check if atp876 chip then enable terminator */
+ if (pdev->revision > 0x07) /* check if atp876 chip then enable terminator */
atp_writeb_base(atpdev, 0x3e, 0x00);
k = (atp_readb_base(atpdev, 0x3a) & 0xf3) | 0x10;
@@ -1580,15 +1571,13 @@ flash_ok_885:
mdelay(32);
atp_set_host_id(atpdev, 0, host_id);
- tscam(shpnt);
+
+ tscam(shpnt, wide_chip);
atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) | 0x10);
- atp_is(atpdev, 0, atpdev->chip_ver == 4, 0);
+ atp_is(atpdev, 0, wide_chip, 0);
atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) & 0xef);
atp_writeb_base(atpdev, 0x3b, atp_readb_base(atpdev, 0x3b) | 0x20);
- if (atpdev->chip_ver == 4)
- shpnt->max_id = 16;
- else
- shpnt->max_id = 8;
+ shpnt->max_id = wide_chip ? 16 : 8;
shpnt->this_id = host_id;
shpnt->unique_id = base_io;
shpnt->io_port = base_io;
diff --git a/drivers/scsi/atp870u.h b/drivers/scsi/atp870u.h
index c3c6c13..8c47c53 100644
--- a/drivers/scsi/atp870u.h
+++ b/drivers/scsi/atp870u.h
@@ -32,7 +32,6 @@ struct atp_unit
unsigned char quhd[2];
unsigned char quend[2];
unsigned char global_map[2];
- unsigned char chip_ver;
unsigned char scam_on;
unsigned char host_id[2];
unsigned int working[2];
--
Ondrej Zary
--
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