diff options
| author | Ondrej Zary <linux@rainbow-software.org> | 2015-11-17 19:24:10 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2015-11-25 22:08:45 -0500 |
| commit | 6a1961bc9c8916fc40423cc71e44fd8c59fef360 (patch) | |
| tree | 17a0fc99774f2e0a7fd6e0883cf6b0b3ee0977e8 /drivers/scsi/atp870u.c | |
| parent | c751d9f1fce4187bf1c0848d7d3a5bf7644d7f9c (diff) | |
atp870u: Introduce atp_set_host_id
The code for setting host adapter ID is the same for all chips.
Move it to a common function.
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>
Diffstat (limited to 'drivers/scsi/atp870u.c')
| -rw-r--r-- | drivers/scsi/atp870u.c | 57 |
1 files changed, 18 insertions, 39 deletions
diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c index 04b29d3e65d6..96214035b6d6 100644 --- a/drivers/scsi/atp870u.c +++ b/drivers/scsi/atp870u.c @@ -1229,6 +1229,18 @@ static int atp870u_init_tables(struct Scsi_Host *host) return 0; } +static void atp_set_host_id(struct atp_unit *atp, u8 c, u8 host_id) +{ + atp_writeb_io(atp, c, 0, host_id | 0x08); + atp_writeb_io(atp, c, 0x18, 0); + while ((atp_readb_io(atp, c, 0x1f) & 0x80) == 0) + mdelay(1); + atp_readb_io(atp, c, 0x17); + atp_writeb_io(atp, c, 1, 8); + atp_writeb_io(atp, c, 2, 0x7f); + atp_writeb_io(atp, c, 0x11, 0x20); +} + /* return non-zero on detection */ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { @@ -1379,14 +1391,8 @@ flash_ok_880: mdelay(32); atp_readb_io(p, 0, 0x1b); atp_readb_io(p, 0, 0x17); - atp_writeb_io(p, 0, 0, host_id | 0x08); - atp_writeb_io(p, 0, 0x18, 0); - while ((atp_readb_io(p, 0, 0x1f) & 0x80) == 0) - mdelay(1); - atp_readb_io(p, 0, 0x17); - atp_writeb_io(p, 0, 1, 8); - atp_writeb_io(p, 0, 2, 0x7f); - atp_writeb_io(p, 0, 0x11, 0x20); + + atp_set_host_id(p, 0, host_id); tscam(shpnt); atp_is(p, 0, true, atp_readb_base(p, 0x3f) & 0x40); @@ -1503,35 +1509,16 @@ flash_ok_885: atp_readb_io(p, 0, 0x17); atp_readb_io(p, 1, 0x1b); atp_readb_io(p, 1, 0x17); + k=p->host_id[0]; if (k > 7) k = (k & 0x07) | 0x40; - k |= 0x08; - atp_writeb_io(p, 0, 0, k); - atp_writeb_io(p, 0, 0x18, 0); - - while ((atp_readb_io(p, 0, 0x1f) & 0x80) == 0) - cpu_relax(); - - atp_readb_io(p, 0, 0x17); - atp_writeb_io(p, 0, 1, 8); - atp_writeb_io(p, 0, 2, 0x7f); - atp_writeb_io(p, 0, 0x11, 0x20); + atp_set_host_id(p, 0, k); k=p->host_id[1]; if (k > 7) k = (k & 0x07) | 0x40; - k |= 0x08; - atp_writeb_io(p, 1, 0, k); - atp_writeb_io(p, 1, 0x18, 0); - - while ((atp_readb_io(p, 1, 0x1f) & 0x80) == 0) - cpu_relax(); - - atp_readb_io(p, 1, 0x17); - atp_writeb_io(p, 1, 1, 8); - atp_writeb_io(p, 1, 2, 0x7f); - atp_writeb_io(p, 1, 0x11, 0x20); + atp_set_host_id(p, 1, k); tscam_885(); printk(KERN_INFO " Scanning Channel A SCSI Device ...\n"); @@ -1608,15 +1595,7 @@ flash_ok_885: mdelay(32); atp_writeb_base(p, 0x3a, k); mdelay(32); - atp_writeb_io(p, 0, 0, host_id | 0x08); - atp_writeb_io(p, 0, 0x18, 0); - while ((atp_readb_io(p, 0, 0x1f) & 0x80) == 0) - mdelay(1); - - atp_readb_io(p, 0, 0x17); - atp_writeb_io(p, 0, 1, 8); - atp_writeb_io(p, 0, 2, 0x7f); - atp_writeb_io(p, 0, 0x11, 0x20); + atp_set_host_id(p, 0, host_id); tscam(shpnt); atp_writeb_base(p, 0x3a, atp_readb_base(p, 0x3a) | 0x10); |