leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

atp870u: Replace port 0x80 delay by udelay

Browse Source 
tscam() is using port 0x80 access for delays but that's x86-only.
Use udelay(2) instead.

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 19:24:08 +01:00 committed by Martin K. Petersen
parent d804bb255c
commit 2bbbac4571
1 changed files with 9 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/scsi/atp870u.c
View File

@ -1036,7 +1036,7 @@ static void tscam(struct Scsi_Host *host)
atp_writeb_io(dev, 0, 0x02, 0x7f);
atp_writeb_io(dev, 0, 0x1b, 0x02);
outb(0, 0x80);
udelay(2);
val = 0x0080; /* bsy */
atp_writew_io(dev, 0, 0x1c, val);
@ -1044,7 +1044,7 @@ static void tscam(struct Scsi_Host *host)
atp_writew_io(dev, 0, 0x1c, val);
val |= 0x0004; /* msg */
atp_writew_io(dev, 0, 0x1c, val);
inb(0x80); /* 2 deskew delay(45ns*2=90ns) */
udelay(2); /* 2 deskew delay(45ns*2=90ns) */
val &= 0x007f; /* no bsy */
atp_writew_io(dev, 0, 0x1c, val);
mdelay(128);
@ -1052,7 +1052,7 @@ static void tscam(struct Scsi_Host *host)
atp_writew_io(dev, 0, 0x1c, val);
while ((atp_readb_io(dev, 0, 0x1c) & 0x04) != 0)
;
outb(1, 0x80);
udelay(2);
udelay(100);
for (n = 0; n < 0x30000; n++)
if ((atp_readb_io(dev, 0, 0x1c) & 0x80) != 0) /* bsy ? */
@ -1060,13 +1060,13 @@ static void tscam(struct Scsi_Host *host)
if (n < 0x30000)
for (n = 0; n < 0x30000; n++)
if ((atp_readb_io(dev, 0, 0x1c) & 0x81) == 0x0081) {
inb(0x80);
udelay(2);
val |= 0x8003; /* io,cd,db7 */
atp_writew_io(dev, 0, 0x1c, val);
inb(0x80);
udelay(2);
val &= 0x00bf; /* no sel */
atp_writew_io(dev, 0, 0x1c, val);
outb(2, 0x80);
udelay(2);
break;
}
while (1) {
@ -1093,18 +1093,18 @@ static void tscam(struct Scsi_Host *host)
val &= 0x00ff; /* synchronization */
val |= 0x3f00;
fun_scam(dev, &val);
outb(3, 0x80);
udelay(2);
val &= 0x00ff; /* isolation */
val |= 0x2000;
fun_scam(dev, &val);
outb(4, 0x80);
udelay(2);
i = 8;
j = 0;
while (1) {
if ((atp_readw_io(dev, 0, 0x1c) & 0x2000) == 0)
continue;
outb(5, 0x80);
udelay(2);
val &= 0x00ff; /* get ID_STRING */
val |= 0x2000;
k = fun_scam(dev, &val);