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atp870u: Remove scam_on from struct atp_unit

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scam_on is used only during probe, no need to keep it later.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Reviewed-by: Hannes Reinicke <hare@suse.de>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Ondrej Zary 2015-11-17 19:24:24 +01:00 committed by Martin K. Petersen
parent 1729c0d22b
commit 8177c50752
2 changed files with 7 additions and 8 deletions
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14
drivers/scsi/atp870u.c
View file

@ -963,7 +963,7 @@ static unsigned char fun_scam(struct atp_unit *dev, unsigned short int *val)
return j;
}
static void tscam(struct Scsi_Host *host, bool wide_chip)
static void tscam(struct Scsi_Host *host, bool wide_chip, u8 scam_on)
{
unsigned char i, j, k;
@ -986,7 +986,7 @@ static void tscam(struct Scsi_Host *host, bool wide_chip)
atp_writeb_io(dev, 0, 2, 0x7f);
atp_writeb_io(dev, 0, 0x11, 0x20);
if ((dev->scam_on & 0x40) == 0) {
if ((scam_on & 0x40) == 0) {
return;
}
m = 1;
@ -1311,7 +1311,6 @@ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
" IO:%lx, IRQ:%d.\n", shpnt->io_port, shpnt->irq);
atpdev->host_id[0] = host_id;
atpdev->scam_on = atp_readb_base(atpdev, 0x22);
atpdev->global_map[0] = atp_readb_base(atpdev, 0x35);
atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x3c);
@ -1384,7 +1383,7 @@ flash_ok_880:
atp_set_host_id(atpdev, 0, host_id);
tscam(shpnt, true);
tscam(shpnt, true, atp_readb_base(atpdev, 0x22));
atp_is(atpdev, 0, true, atp_readb_base(atpdev, 0x3f) & 0x40);
atp_writeb_base(atpdev, 0x38, 0xb0);
shpnt->max_id = 16;
@ -1509,6 +1508,7 @@ flash_ok_885:
shpnt->max_channel = 1;
shpnt->this_id = atpdev->host_id[0];
} else {
u8 scam_on;
bool wide_chip =
(ent->device == PCI_DEVICE_ID_ARTOP_AEC7610 &&
pdev->revision == 4) ||
@ -1523,12 +1523,12 @@ flash_ok_885:
atpdev->pciport[0] = shpnt->io_port + 0x20;
host_id &= 0x07;
atpdev->host_id[0] = host_id;
atpdev->scam_on = atp_readb_pci(atpdev, 0, 2);
scam_on = atp_readb_pci(atpdev, 0, 2);
atpdev->global_map[0] = atp_readb_base(atpdev, 0x2d);
atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x2e);
if (atpdev->ultra_map[0] == 0) {
atpdev->scam_on = 0x00;
scam_on = 0x00;
atpdev->global_map[0] = 0x20;
atpdev->ultra_map[0] = 0xffff;
}
@ -1551,7 +1551,7 @@ flash_ok_885:
atp_set_host_id(atpdev, 0, host_id);
tscam(shpnt, wide_chip);
tscam(shpnt, wide_chip, scam_on);
atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) | 0x10);
atp_is(atpdev, 0, wide_chip, 0);
atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) & 0xef);

1
drivers/scsi/atp870u.h
View file

@ -32,7 +32,6 @@ struct atp_unit
unsigned char quhd[2];
unsigned char quend[2];
unsigned char global_map[2];
unsigned char scam_on;
unsigned char host_id[2];
unsigned int working[2];
unsigned short wide_id[2];